CECL (Details 10) - CHF (SFr)
SFr in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year SFr 75,886 SFr 58,955
Origination in current year-1 33,920 35,215
Origination in current year-2 23,356 23,170
Origination in current year-3 14,069 13,022
Origination in current year-4 8,677 16,565
Origination in current year-5 or more 49,714 59,024
Total term loans 205,622 205,951
Revolving loans 77,199 76,180
Financing Receivable, before Allowance for Credit Loss and Fee SFr 282,821 282,131
Date when internal ratings were last updated 2012  
Investment grade | AAA to BBB    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year SFr 53,305 39,082
Origination in current year-1 25,119 24,471
Origination in current year-2 16,367 15,690
Origination in current year-3 9,913 9,358
Origination in current year-4 6,681 13,678
Origination in current year-5 or more 42,787 50,015
Total term loans 154,172 152,294
Revolving loans 64,192 62,284
Financing Receivable, before Allowance for Credit Loss and Fee 218,364 214,578
Non-investment grade | BB to C    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 22,347 19,257
Origination in current year-1 8,676 10,514
Origination in current year-2 6,795 7,119
Origination in current year-3 3,765 3,471
Origination in current year-4 1,849 2,734
Origination in current year-5 or more 6,446 8,589
Total term loans 49,878 51,684
Revolving loans 12,254 13,173
Financing Receivable, before Allowance for Credit Loss and Fee 62,132 64,857
Non-investment grade | D    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 234 616
Origination in current year-1 125 230
Origination in current year-2 194 361
Origination in current year-3 391 193
Origination in current year-4 147 153
Origination in current year-5 or more 481 420
Total term loans 1,572 1,973
Revolving loans 753 723
Financing Receivable, before Allowance for Credit Loss and Fee 2,325 2,696
Corporate and institutional    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 43,627 35,184
Origination in current year-1 15,424 17,550
Origination in current year-2 9,595 10,958
Origination in current year-3 5,433 4,707
Origination in current year-4 2,404 4,376
Origination in current year-5 or more 8,631 15,157
Total term loans 85,114 87,932
Revolving loans 31,041 29,753
Financing Receivable, before Allowance for Credit Loss and Fee 116,155 117,685
Corporate and institutional | Investment grade | AAA to BBB    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 24,733 19,315
Origination in current year-1 9,189 9,022
Origination in current year-2 4,713 4,771
Origination in current year-3 2,496 2,156
Origination in current year-4 1,287 2,673
Origination in current year-5 or more 5,180 9,970
Total term loans 47,598 47,907
Revolving loans 22,293 19,713
Financing Receivable, before Allowance for Credit Loss and Fee 69,891 67,620
Corporate and institutional | Non-investment grade | BB to C    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 18,705 15,410
Origination in current year-1 6,138 8,346
Origination in current year-2 4,755 5,907
Origination in current year-3 2,758 2,419
Origination in current year-4 1,057 1,636
Origination in current year-5 or more 3,330 5,024
Total term loans 36,743 38,742
Revolving loans 8,240 9,506
Financing Receivable, before Allowance for Credit Loss and Fee 44,983 48,248
Corporate and institutional | Non-investment grade | D    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 189 459
Origination in current year-1 97 182
Origination in current year-2 127 280
Origination in current year-3 179 132
Origination in current year-4 60 67
Origination in current year-5 or more 121 163
Total term loans 773 1,283
Revolving loans 508 534
Financing Receivable, before Allowance for Credit Loss and Fee 1,281 1,817
Corporate and institutional | Real estate    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 14,252 8,952
Origination in current year-1 5,069 4,513
Origination in current year-2 2,557 3,006
Origination in current year-3 1,266 1,451
Origination in current year-4 576 1,901
Origination in current year-5 or more 2,875 7,120
Total term loans 26,595 26,943
Revolving loans 1,210 1,268
Financing Receivable, before Allowance for Credit Loss and Fee 27,805 28,211
Corporate and institutional | Real estate | Investment grade | AAA to BBB    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 9,568 6,054
Origination in current year-1 3,709 2,902
Origination in current year-2 1,849 1,849
Origination in current year-3 925 1,033
Origination in current year-4 475 1,591
Origination in current year-5 or more 2,469 5,982
Total term loans 18,995 19,411
Revolving loans 778 1,027
Financing Receivable, before Allowance for Credit Loss and Fee 19,773 20,438
Corporate and institutional | Real estate | Non-investment grade | BB to C    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 4,682 2,792
Origination in current year-1 1,355 1,611
Origination in current year-2 706 1,133
Origination in current year-3 340 346
Origination in current year-4 101 285
Origination in current year-5 or more 376 1,105
Total term loans 7,560 7,272
Revolving loans 297 172
Financing Receivable, before Allowance for Credit Loss and Fee 7,857 7,444
Corporate and institutional | Real estate | Non-investment grade | D    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 2 106
Origination in current year-1 5 0
Origination in current year-2 2 24
Origination in current year-3 1 72
Origination in current year-4 0 25
Origination in current year-5 or more 30 33
Total term loans 40 260
Revolving loans 135 69
Financing Receivable, before Allowance for Credit Loss and Fee 175 329
Corporate and institutional | Commercial and industrial loans    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 20,405 19,655
Origination in current year-1 7,772 10,395
Origination in current year-2 6,118 6,349
Origination in current year-3 3,436 3,005
Origination in current year-4 1,694 2,079
Origination in current year-5 or more 4,951 6,795
Total term loans 44,376 48,278
Revolving loans 21,771 22,285
Financing Receivable, before Allowance for Credit Loss and Fee 66,147 70,563
Corporate and institutional | Commercial and industrial loans | Investment grade | AAA to BBB    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 8,284 7,724
Origination in current year-1 3,242 3,851
Origination in current year-2 2,110 1,781
Origination in current year-3 1,003 964
Origination in current year-4 697 809
Origination in current year-5 or more 2,013 2,830
Total term loans 17,349 17,959
Revolving loans 13,941 12,913
Financing Receivable, before Allowance for Credit Loss and Fee 31,290 30,872
Corporate and institutional | Commercial and industrial loans | Non-investment grade | BB to C    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 11,985 11,621
Origination in current year-1 4,468 6,411
Origination in current year-2 3,903 4,321
Origination in current year-3 2,256 1,981
Origination in current year-4 937 1,248
Origination in current year-5 or more 2,848 3,837
Total term loans 26,397 29,419
Revolving loans 7,458 8,908
Financing Receivable, before Allowance for Credit Loss and Fee 33,855 38,327
Corporate and institutional | Commercial and industrial loans | Non-investment grade | D    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 136 310
Origination in current year-1 62 133
Origination in current year-2 105 247
Origination in current year-3 177 60
Origination in current year-4 60 22
Origination in current year-5 or more 90 128
Total term loans 630 900
Revolving loans 372 464
Financing Receivable, before Allowance for Credit Loss and Fee 1,002 1,364
Corporate and institutional | Financial institutions    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 8,423 6,370
Origination in current year-1 2,312 2,477
Origination in current year-2 788 1,523
Origination in current year-3 674 216
Origination in current year-4 106 321
Origination in current year-5 or more 585 813
Total term loans 12,888 11,720
Revolving loans 8,028 6,181
Financing Receivable, before Allowance for Credit Loss and Fee 20,916 17,901
Corporate and institutional | Financial institutions | Investment grade | AAA to BBB    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 6,360 5,363
Origination in current year-1 2,081 2,134
Origination in current year-2 660 1,061
Origination in current year-3 522 124
Origination in current year-4 87 199
Origination in current year-5 or more 499 770
Total term loans 10,209 9,651
Revolving loans 7,542 5,754
Financing Receivable, before Allowance for Credit Loss and Fee 17,751 15,405
Corporate and institutional | Financial institutions | Non-investment grade | BB to C    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 2,012 964
Origination in current year-1 201 304
Origination in current year-2 127 453
Origination in current year-3 151 92
Origination in current year-4 19 102
Origination in current year-5 or more 85 41
Total term loans 2,595 1,956
Revolving loans 485 426
Financing Receivable, before Allowance for Credit Loss and Fee 3,080 2,382
Corporate and institutional | Financial institutions | Non-investment grade | D    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 51 43
Origination in current year-1 30 39
Origination in current year-2 1 9
Origination in current year-3 1 0
Origination in current year-4 0 20
Origination in current year-5 or more 1 2
Total term loans 84 113
Revolving loans 1 1
Financing Receivable, before Allowance for Credit Loss and Fee 85 114
Corporate and institutional | Governments and public institutions    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 547 207
Origination in current year-1 271 165
Origination in current year-2 132 80
Origination in current year-3 57 35
Origination in current year-4 28 75
Origination in current year-5 or more 220 429
Total term loans 1,255 991
Revolving loans 32 19
Financing Receivable, before Allowance for Credit Loss and Fee 1,287 1,010
Corporate and institutional | Governments and public institutions | Investment grade | AAA to BBB    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 521 174
Origination in current year-1 157 135
Origination in current year-2 94 80
Origination in current year-3 46 35
Origination in current year-4 28 74
Origination in current year-5 or more 199 388
Total term loans 1,045 886
Revolving loans 32 19
Financing Receivable, before Allowance for Credit Loss and Fee 1,077 905
Corporate and institutional | Governments and public institutions | Non-investment grade | BB to C    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 26 33
Origination in current year-1 114 20
Origination in current year-2 19 0
Origination in current year-3 11 0
Origination in current year-4 0 1
Origination in current year-5 or more 21 41
Total term loans 191 95
Revolving loans 0 0
Financing Receivable, before Allowance for Credit Loss and Fee 191 95
Corporate and institutional | Governments and public institutions | Non-investment grade | D    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 0 0
Origination in current year-1 0 10
Origination in current year-2 19 0
Origination in current year-3 0 0
Origination in current year-4 0 0
Origination in current year-5 or more 0 0
Total term loans 19 10
Revolving loans 0 0
Financing Receivable, before Allowance for Credit Loss and Fee 19 10
Consumer    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 32,259 23,771
Origination in current year-1 18,496 17,665
Origination in current year-2 13,761 12,212
Origination in current year-3 8,636 8,315
Origination in current year-4 6,273 12,189
Origination in current year-5 or more 41,083 43,867
Total term loans 120,508 118,019
Revolving loans 46,158 46,427
Financing Receivable, before Allowance for Credit Loss and Fee 166,666 164,446
Consumer | Investment grade | AAA to BBB    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 28,572 19,767
Origination in current year-1 15,930 15,449
Origination in current year-2 11,654 10,919
Origination in current year-3 7,417 7,202
Origination in current year-4 5,394 11,005
Origination in current year-5 or more 37,607 40,045
Total term loans 106,574 104,387
Revolving loans 41,899 42,571
Financing Receivable, before Allowance for Credit Loss and Fee 148,473 146,958
Consumer | Non-investment grade | BB to C    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 3,642 3,847
Origination in current year-1 2,538 2,168
Origination in current year-2 2,040 1,212
Origination in current year-3 1,007 1,052
Origination in current year-4 792 1,098
Origination in current year-5 or more 3,116 3,565
Total term loans 13,135 12,942
Revolving loans 4,014 3,667
Financing Receivable, before Allowance for Credit Loss and Fee 17,149 16,609
Consumer | Non-investment grade | D    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 45 157
Origination in current year-1 28 48
Origination in current year-2 67 81
Origination in current year-3 212 61
Origination in current year-4 87 86
Origination in current year-5 or more 360 257
Total term loans 799 690
Revolving loans 245 189
Financing Receivable, before Allowance for Credit Loss and Fee 1,044 879
Consumer | Mortgages    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 26,431 19,110
Origination in current year-1 16,158 15,421
Origination in current year-2 12,995 11,174
Origination in current year-3 8,187 7,962
Origination in current year-4 6,090 11,779
Origination in current year-5 or more 39,466 42,541
Total term loans 109,327 107,987
Revolving loans 1,206 1,080
Financing Receivable, before Allowance for Credit Loss and Fee 110,533 109,067
Consumer | Mortgages | Investment grade | AAA to BBB    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 24,257 17,454
Origination in current year-1 14,743 13,936
Origination in current year-2 11,308 10,187
Origination in current year-3 7,287 7,061
Origination in current year-4 5,318 10,789
Origination in current year-5 or more 36,790 39,471
Total term loans 99,703 98,898
Revolving loans 276 528
Financing Receivable, before Allowance for Credit Loss and Fee 99,979 99,426
Consumer | Mortgages | Non-investment grade | BB to C    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 2,134 1,653
Origination in current year-1 1,402 1,459
Origination in current year-2 1,639 929
Origination in current year-3 812 857
Origination in current year-4 698 914
Origination in current year-5 or more 2,359 2,854
Total term loans 9,044 8,666
Revolving loans 930 548
Financing Receivable, before Allowance for Credit Loss and Fee 9,974 9,214
Consumer | Mortgages | Non-investment grade | D    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 40 3
Origination in current year-1 13 26
Origination in current year-2 48 58
Origination in current year-3 88 44
Origination in current year-4 74 76
Origination in current year-5 or more 317 216
Total term loans 580 423
Revolving loans 0 4
Financing Receivable, before Allowance for Credit Loss and Fee 580 427
Consumer | Loans collateralized by securities    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 3,312 2,699
Origination in current year-1 1,497 1,319
Origination in current year-2 228 547
Origination in current year-3 164 102
Origination in current year-4 74 327
Origination in current year-5 or more 1,485 1,184
Total term loans 6,760 6,178
Revolving loans 44,493 44,850
Financing Receivable, before Allowance for Credit Loss and Fee 51,253 51,028
Consumer | Loans collateralized by securities | Investment grade | AAA to BBB    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 2,627 1,031
Origination in current year-1 649 995
Origination in current year-2 61 483
Origination in current year-3 32 61
Origination in current year-4 55 200
Origination in current year-5 or more 804 562
Total term loans 4,228 3,332
Revolving loans 41,275 41,715
Financing Receivable, before Allowance for Credit Loss and Fee 45,503 45,047
Consumer | Loans collateralized by securities | Non-investment grade | BB to C    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 685 1,519
Origination in current year-1 848 324
Origination in current year-2 167 64
Origination in current year-3 26 41
Origination in current year-4 19 127
Origination in current year-5 or more 681 622
Total term loans 2,426 2,697
Revolving loans 3,063 3,031
Financing Receivable, before Allowance for Credit Loss and Fee 5,489 5,728
Consumer | Loans collateralized by securities | Non-investment grade | D    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 0 149
Origination in current year-1 0 0
Origination in current year-2 0 0
Origination in current year-3 106 0
Origination in current year-4 0 0
Origination in current year-5 or more 0 0
Total term loans 106 149
Revolving loans 155 104
Financing Receivable, before Allowance for Credit Loss and Fee 261 253
Consumer | Consumer finance    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 2,516 1,962
Origination in current year-1 841 925
Origination in current year-2 538 491
Origination in current year-3 285 251
Origination in current year-4 109 83
Origination in current year-5 or more 132 142
Total term loans 4,421 3,854
Revolving loans 459 497
Financing Receivable, before Allowance for Credit Loss and Fee 4,880 4,351
Consumer | Consumer finance | Investment grade | AAA to BBB    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 1,688 1,282
Origination in current year-1 538 518
Origination in current year-2 285 249
Origination in current year-3 98 80
Origination in current year-4 21 16
Origination in current year-5 or more 13 12
Total term loans 2,643 2,157
Revolving loans 348 328
Financing Receivable, before Allowance for Credit Loss and Fee 2,991 2,485
Consumer | Consumer finance | Non-investment grade | BB to C    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 823 675
Origination in current year-1 288 385
Origination in current year-2 234 219
Origination in current year-3 169 154
Origination in current year-4 75 57
Origination in current year-5 or more 76 89
Total term loans 1,665 1,579
Revolving loans 21 88
Financing Receivable, before Allowance for Credit Loss and Fee 1,686 1,667
Consumer | Consumer finance | Non-investment grade | D    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 5 5
Origination in current year-1 15 22
Origination in current year-2 19 23
Origination in current year-3 18 17
Origination in current year-4 13 10
Origination in current year-5 or more 43 41
Total term loans 113 118
Revolving loans 90 81
Financing Receivable, before Allowance for Credit Loss and Fee 203 199
Bank    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 75,886 58,955
Origination in current year-1 33,920 35,215
Origination in current year-2 23,356 23,170
Origination in current year-3 14,069 13,022
Origination in current year-4 8,677 16,565
Origination in current year-5 or more 49,702 59,012
Total term loans 205,610 205,939
Revolving loans 77,199 76,180
Financing Receivable, before Allowance for Credit Loss and Fee 291,492 290,563
Bank | Investment grade | AAA to BBB    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 53,305 39,082
Origination in current year-1 25,119 24,471
Origination in current year-2 16,367 15,690
Origination in current year-3 9,913 9,358
Origination in current year-4 6,681 13,678
Origination in current year-5 or more 42,787 50,015
Total term loans 154,172 152,294
Revolving loans 64,192 62,284
Financing Receivable, before Allowance for Credit Loss and Fee 227,047 223,022
Bank | Non-investment grade | BB to C    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 22,347 19,257
Origination in current year-1 8,676 10,514
Origination in current year-2 6,795 7,119
Origination in current year-3 3,765 3,471
Origination in current year-4 1,849 2,734
Origination in current year-5 or more 6,446 8,589
Total term loans 49,878 51,684
Revolving loans 12,254 13,173
Financing Receivable, before Allowance for Credit Loss and Fee 62,132 64,857
Bank | Non-investment grade | D    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 234 616
Origination in current year-1 125 230
Origination in current year-2 194 361
Origination in current year-3 391 193
Origination in current year-4 147 153
Origination in current year-5 or more 469 408
Total term loans 1,560 1,961
Revolving loans 753 723
Financing Receivable, before Allowance for Credit Loss and Fee 2,313 2,684
Bank | Corporate and institutional    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 43,627 35,184
Origination in current year-1 15,424 17,550
Origination in current year-2 9,595 10,958
Origination in current year-3 5,433 4,707
Origination in current year-4 2,404 4,376
Origination in current year-5 or more 8,619 15,145
Total term loans 85,102 87,920
Revolving loans 31,041 29,753
Financing Receivable, before Allowance for Credit Loss and Fee 116,143 117,673
Bank | Corporate and institutional | Investment grade | AAA to BBB    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 24,733 19,315
Origination in current year-1 9,189 9,022
Origination in current year-2 4,713 4,771
Origination in current year-3 2,496 2,156
Origination in current year-4 1,287 2,673
Origination in current year-5 or more 5,180 9,970
Total term loans 47,598 47,907
Revolving loans 22,293 19,713
Financing Receivable, before Allowance for Credit Loss and Fee 69,891 67,620
Bank | Corporate and institutional | Non-investment grade | BB to C    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 18,705 15,410
Origination in current year-1 6,138 8,346
Origination in current year-2 4,755 5,907
Origination in current year-3 2,758 2,419
Origination in current year-4 1,057 1,636
Origination in current year-5 or more 3,330 5,024
Total term loans 36,743 38,742
Revolving loans 8,240 9,506
Financing Receivable, before Allowance for Credit Loss and Fee 44,983 48,248
Bank | Corporate and institutional | Non-investment grade | D    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 189 459
Origination in current year-1 97 182
Origination in current year-2 127 280
Origination in current year-3 179 132
Origination in current year-4 60 67
Origination in current year-5 or more 109 151
Total term loans 761 1,271
Revolving loans 508 534
Financing Receivable, before Allowance for Credit Loss and Fee 1,269 1,805
Bank | Corporate and institutional | Real estate    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 14,252 8,952
Origination in current year-1 5,069 4,513
Origination in current year-2 2,557 3,006
Origination in current year-3 1,266 1,451
Origination in current year-4 576 1,901
Origination in current year-5 or more 2,875 7,120
Total term loans 26,595 26,943
Revolving loans 1,210 1,268
Financing Receivable, before Allowance for Credit Loss and Fee 27,805 28,211
Bank | Corporate and institutional | Real estate | Investment grade | AAA to BBB    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 9,568 6,054
Origination in current year-1 3,709 2,902
Origination in current year-2 1,849 1,849
Origination in current year-3 925 1,033
Origination in current year-4 475 1,591
Origination in current year-5 or more 2,469 5,982
Total term loans 18,995 19,411
Revolving loans 778 1,027
Financing Receivable, before Allowance for Credit Loss and Fee 19,773 20,438
Bank | Corporate and institutional | Real estate | Non-investment grade | BB to C    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 4,682 2,792
Origination in current year-1 1,355 1,611
Origination in current year-2 706 1,133
Origination in current year-3 340 346
Origination in current year-4 101 285
Origination in current year-5 or more 376 1,105
Total term loans 7,560 7,272
Revolving loans 297 172
Financing Receivable, before Allowance for Credit Loss and Fee 7,857 7,444
Bank | Corporate and institutional | Real estate | Non-investment grade | D    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 2 106
Origination in current year-1 5 0
Origination in current year-2 2 24
Origination in current year-3 1 72
Origination in current year-4 0 25
Origination in current year-5 or more 30 33
Total term loans 40 260
Revolving loans 135 69
Financing Receivable, before Allowance for Credit Loss and Fee 175 329
Bank | Corporate and institutional | Commercial and industrial loans    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 20,405 19,655
Origination in current year-1 7,772 10,395
Origination in current year-2 6,118 6,349
Origination in current year-3 3,436 3,005
Origination in current year-4 1,694 2,079
Origination in current year-5 or more 4,939 6,783
Total term loans 44,364 48,266
Revolving loans 21,771 22,285
Financing Receivable, before Allowance for Credit Loss and Fee 66,135 70,551
Bank | Corporate and institutional | Commercial and industrial loans | Investment grade | AAA to BBB    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 8,284 7,724
Origination in current year-1 3,242 3,851
Origination in current year-2 2,110 1,781
Origination in current year-3 1,003 964
Origination in current year-4 697 809
Origination in current year-5 or more 2,013 2,830
Total term loans 17,349 17,959
Revolving loans 13,941 12,913
Financing Receivable, before Allowance for Credit Loss and Fee 31,290 30,872
Bank | Corporate and institutional | Commercial and industrial loans | Non-investment grade | BB to C    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 11,985 11,621
Origination in current year-1 4,468 6,411
Origination in current year-2 3,903 4,321
Origination in current year-3 2,256 1,981
Origination in current year-4 937 1,248
Origination in current year-5 or more 2,848 3,837
Total term loans 26,397 29,419
Revolving loans 7,458 8,908
Financing Receivable, before Allowance for Credit Loss and Fee 33,855 38,327
Bank | Corporate and institutional | Commercial and industrial loans | Non-investment grade | D    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 136 310
Origination in current year-1 62 133
Origination in current year-2 105 247
Origination in current year-3 177 60
Origination in current year-4 60 22
Origination in current year-5 or more 78 116
Total term loans 618 888
Revolving loans 372 464
Financing Receivable, before Allowance for Credit Loss and Fee 990 1,352
Bank | Corporate and institutional | Financial institutions    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 8,423 6,370
Origination in current year-1 2,312 2,477
Origination in current year-2 788 1,523
Origination in current year-3 674 216
Origination in current year-4 106 321
Origination in current year-5 or more 585 813
Total term loans 12,888 11,720
Revolving loans 8,028 6,181
Financing Receivable, before Allowance for Credit Loss and Fee 20,916 17,901
Bank | Corporate and institutional | Financial institutions | Investment grade | AAA to BBB    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 6,360 5,363
Origination in current year-1 2,081 2,134
Origination in current year-2 660 1,061
Origination in current year-3 522 124
Origination in current year-4 87 199
Origination in current year-5 or more 499 770
Total term loans 10,209 9,651
Revolving loans 7,542 5,754
Financing Receivable, before Allowance for Credit Loss and Fee 17,751 15,405
Bank | Corporate and institutional | Financial institutions | Non-investment grade | BB to C    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 2,012 964
Origination in current year-1 201 304
Origination in current year-2 127 453
Origination in current year-3 151 92
Origination in current year-4 19 102
Origination in current year-5 or more 85 41
Total term loans 2,595 1,956
Revolving loans 485 426
Financing Receivable, before Allowance for Credit Loss and Fee 3,080 2,382
Bank | Corporate and institutional | Financial institutions | Non-investment grade | D    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 51 43
Origination in current year-1 30 39
Origination in current year-2 1 9
Origination in current year-3 1 0
Origination in current year-4 0 20
Origination in current year-5 or more 1 2
Total term loans 84 113
Revolving loans 1 1
Financing Receivable, before Allowance for Credit Loss and Fee 85 114
Bank | Corporate and institutional | Governments and public institutions    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 547 207
Origination in current year-1 271 165
Origination in current year-2 132 80
Origination in current year-3 57 35
Origination in current year-4 28 75
Origination in current year-5 or more 220 429
Total term loans 1,255 991
Revolving loans 32 19
Financing Receivable, before Allowance for Credit Loss and Fee 1,287 1,010
Bank | Corporate and institutional | Governments and public institutions | Investment grade | AAA to BBB    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 521 174
Origination in current year-1 157 135
Origination in current year-2 94 80
Origination in current year-3 46 35
Origination in current year-4 28 74
Origination in current year-5 or more 199 388
Total term loans 1,045 886
Revolving loans 32 19
Financing Receivable, before Allowance for Credit Loss and Fee 1,077 905
Bank | Corporate and institutional | Governments and public institutions | Non-investment grade | BB to C    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 26 33
Origination in current year-1 114 20
Origination in current year-2 19 0
Origination in current year-3 11 0
Origination in current year-4 0 1
Origination in current year-5 or more 21 41
Total term loans 191 95
Revolving loans 0 0
Financing Receivable, before Allowance for Credit Loss and Fee 191 95
Bank | Corporate and institutional | Governments and public institutions | Non-investment grade | D    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 0 0
Origination in current year-1 0 10
Origination in current year-2 19 0
Origination in current year-3 0 0
Origination in current year-4 0 0
Origination in current year-5 or more 0 0
Total term loans 19 10
Revolving loans 0 0
Financing Receivable, before Allowance for Credit Loss and Fee 19 10
Bank | Consumer    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 32,259 23,771
Origination in current year-1 18,496 17,665
Origination in current year-2 13,761 12,212
Origination in current year-3 8,636 8,315
Origination in current year-4 6,273 12,189
Origination in current year-5 or more 41,083 43,867
Total term loans 120,508 118,019
Revolving loans 46,158 46,427
Financing Receivable, before Allowance for Credit Loss and Fee 166,666 164,446
Bank | Consumer | Investment grade | AAA to BBB    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 28,572 19,767
Origination in current year-1 15,930 15,449
Origination in current year-2 11,654 10,919
Origination in current year-3 7,417 7,202
Origination in current year-4 5,394 11,005
Origination in current year-5 or more 37,607 40,045
Total term loans 106,574 104,387
Revolving loans 41,899 42,571
Financing Receivable, before Allowance for Credit Loss and Fee 148,473 146,958
Bank | Consumer | Non-investment grade | BB to C    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 3,642 3,847
Origination in current year-1 2,538 2,168
Origination in current year-2 2,040 1,212
Origination in current year-3 1,007 1,052
Origination in current year-4 792 1,098
Origination in current year-5 or more 3,116 3,565
Total term loans 13,135 12,942
Revolving loans 4,014 3,667
Financing Receivable, before Allowance for Credit Loss and Fee 17,149 16,609
Bank | Consumer | Non-investment grade | D    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 45 157
Origination in current year-1 28 48
Origination in current year-2 67 81
Origination in current year-3 212 61
Origination in current year-4 87 86
Origination in current year-5 or more 360 257
Total term loans 799 690
Revolving loans 245 189
Financing Receivable, before Allowance for Credit Loss and Fee 1,044 879
Bank | Consumer | Mortgages    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 26,431 19,110
Origination in current year-1 16,158 15,421
Origination in current year-2 12,995 11,174
Origination in current year-3 8,187 7,962
Origination in current year-4 6,090 11,779
Origination in current year-5 or more 39,466 42,541
Total term loans 109,327 107,987
Revolving loans 1,206 1,080
Financing Receivable, before Allowance for Credit Loss and Fee 110,533 109,067
Bank | Consumer | Mortgages | Investment grade | AAA to BBB    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 24,257 17,454
Origination in current year-1 14,743 13,936
Origination in current year-2 11,308 10,187
Origination in current year-3 7,287 7,061
Origination in current year-4 5,318 10,789
Origination in current year-5 or more 36,790 39,471
Total term loans 99,703 98,898
Revolving loans 276 528
Financing Receivable, before Allowance for Credit Loss and Fee 99,979 99,426
Bank | Consumer | Mortgages | Non-investment grade | BB to C    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 2,134 1,653
Origination in current year-1 1,402 1,459
Origination in current year-2 1,639 929
Origination in current year-3 812 857
Origination in current year-4 698 914
Origination in current year-5 or more 2,359 2,854
Total term loans 9,044 8,666
Revolving loans 930 548
Financing Receivable, before Allowance for Credit Loss and Fee 9,974 9,214
Bank | Consumer | Mortgages | Non-investment grade | D    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 40 3
Origination in current year-1 13 26
Origination in current year-2 48 58
Origination in current year-3 88 44
Origination in current year-4 74 76
Origination in current year-5 or more 317 216
Total term loans 580 423
Revolving loans 0 4
Financing Receivable, before Allowance for Credit Loss and Fee 580 427
Bank | Consumer | Loans collateralized by securities    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 3,312 2,699
Origination in current year-1 1,497 1,319
Origination in current year-2 228 547
Origination in current year-3 164 102
Origination in current year-4 74 327
Origination in current year-5 or more 1,485 1,184
Total term loans 6,760 6,178
Revolving loans 44,493 44,850
Financing Receivable, before Allowance for Credit Loss and Fee 51,253 51,028
Bank | Consumer | Loans collateralized by securities | Investment grade | AAA to BBB    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 2,627 1,031
Origination in current year-1 649 995
Origination in current year-2 61 483
Origination in current year-3 32 61
Origination in current year-4 55 200
Origination in current year-5 or more 804 562
Total term loans 4,228 3,332
Revolving loans 41,275 41,715
Financing Receivable, before Allowance for Credit Loss and Fee 45,503 45,047
Bank | Consumer | Loans collateralized by securities | Non-investment grade | BB to C    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 685 1,519
Origination in current year-1 848 324
Origination in current year-2 167 64
Origination in current year-3 26 41
Origination in current year-4 19 127
Origination in current year-5 or more 681 622
Total term loans 2,426 2,697
Revolving loans 3,063 3,031
Financing Receivable, before Allowance for Credit Loss and Fee 5,489 5,728
Bank | Consumer | Loans collateralized by securities | Non-investment grade | D    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 0 149
Origination in current year-1 0 0
Origination in current year-2 0 0
Origination in current year-3 106 0
Origination in current year-4 0 0
Origination in current year-5 or more 0 0
Total term loans 106 149
Revolving loans 155 104
Financing Receivable, before Allowance for Credit Loss and Fee 261 253
Bank | Consumer | Consumer finance    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 2,516 1,962
Origination in current year-1 841 925
Origination in current year-2 538 491
Origination in current year-3 285 251
Origination in current year-4 109 83
Origination in current year-5 or more 132 142
Total term loans 4,421 3,854
Revolving loans 459 497
Financing Receivable, before Allowance for Credit Loss and Fee 4,880 4,351
Bank | Consumer | Consumer finance | Investment grade | AAA to BBB    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 1,688 1,282
Origination in current year-1 538 518
Origination in current year-2 285 249
Origination in current year-3 98 80
Origination in current year-4 21 16
Origination in current year-5 or more 13 12
Total term loans 2,643 2,157
Revolving loans 348 328
Financing Receivable, before Allowance for Credit Loss and Fee 2,991 2,485
Bank | Consumer | Consumer finance | Non-investment grade | BB to C    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 823 675
Origination in current year-1 288 385
Origination in current year-2 234 219
Origination in current year-3 169 154
Origination in current year-4 75 57
Origination in current year-5 or more 76 89
Total term loans 1,665 1,579
Revolving loans 21 88
Financing Receivable, before Allowance for Credit Loss and Fee 1,686 1,667
Bank | Consumer | Consumer finance | Non-investment grade | D    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Origination in current year 5 5
Origination in current year-1 15 22
Origination in current year-2 19 23
Origination in current year-3 18 17
Origination in current year-4 13 10
Origination in current year-5 or more 43 41
Total term loans 113 118
Revolving loans 90 81
Financing Receivable, before Allowance for Credit Loss and Fee 203 199
Bank | Total loans to third parties    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Financing Receivable, before Allowance for Credit Loss and Fee 282,809 282,119
Bank | Total loans to third parties | Investment grade | AAA to BBB    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Financing Receivable, before Allowance for Credit Loss and Fee 218,364 214,578
Bank | Total loans to third parties | Non-investment grade | BB to C    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Financing Receivable, before Allowance for Credit Loss and Fee 62,132 64,857
Bank | Total loans to third parties | Non-investment grade | D    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Financing Receivable, before Allowance for Credit Loss and Fee 2,313 2,684
Bank | Total loans to entities under common control    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Financing Receivable, before Allowance for Credit Loss and Fee 8,683 8,444
Bank | Total loans to entities under common control | Investment grade | AAA to BBB    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Financing Receivable, before Allowance for Credit Loss and Fee 8,683 8,444
Bank | Total loans to entities under common control | Non-investment grade | BB to C    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Financing Receivable, before Allowance for Credit Loss and Fee 0 0
Bank | Total loans to entities under common control | Non-investment grade | D    
Loans Held At Amortized Cost, Amortized Cost [Line Items]    
Financing Receivable, before Allowance for Credit Loss and Fee SFr 0 SFr 0