FI - Liabilities measured at fair value (Details 3) - CHF (SFr)
SFr in Millions
Dec. 31, 2021
Dec. 31, 2020
Liabilities    
Due to banks SFr 477 SFr 413
Customer deposits 3,700 4,343
Central bank funds purchased, securities sold under repurchase agreements and securities lending transactions 13,213 13,594
Obligation to return securities received as collateral 15,017 50,773
Trading liabilities 27,535 45,871
Short-term borrowings 10,690 10,740
Long-term debt 68,722 70,976
Other liabilities 2,592 7,780
Netting impact (100,900) (130,000)
Recurring basis    
Liabilities    
Due to banks 477 413
Customer deposits 3,700 4,343
Central bank funds purchased, securities sold under repurchase agreements and securities lending transactions 13,213 13,594
Obligation to return securities received as collateral 15,017 50,773
Trading liabilities 27,535 45,871
Short-term borrowings 10,690 10,740
Long-term debt 68,722 70,976
Other liabilities 2,592 7,780
Netting impact (100,827) (130,036)
Total liabilities at fair value 141,946 204,490
Recurring basis | Long-term debt - of which structured notes over one year and up to two years    
Liabilities    
Long-term debt 12,500 12,920
Recurring basis | Long-term debt - of which structured notes over two years    
Liabilities    
Long-term debt 30,486 33,856
Recurring basis | Long-term debt - of which other debt instruments over two years    
Liabilities    
Long-term debt 5,077  
Recurring basis | Long-term debt - of which high-trigger instruments    
Liabilities    
Long-term debt 10,702 10,586
Recurring basis | Debt securities    
Liabilities    
Trading liabilities 7,677  
Recurring basis | Debt securities | Debt securities issued by foreign governments    
Liabilities    
Trading liabilities 3,635  
Recurring basis | Debt securities | Corporate debt securities    
Liabilities    
Trading liabilities 3,955  
Recurring basis | Equity securities    
Liabilities    
Trading liabilities 9,012 20,694
Recurring basis | Short positions    
Liabilities    
Trading liabilities 16,689  
Recurring basis | Derivative instruments    
Liabilities    
Trading liabilities 10,846 17,745
Netting impact (100,522) (129,867)
Recurring basis | Trading liabilities    
Liabilities    
Netting impact (100,522) (129,867)
Recurring basis | Other liabilities    
Liabilities    
Netting impact (305) (169)
Recurring basis | Level 1    
Liabilities    
Due to banks 0 0
Customer deposits 0 0
Central bank funds purchased, securities sold under repurchase agreements and securities lending transactions 0 0
Obligation to return securities received as collateral 13,848 44,074
Trading liabilities 19,419 33,544
Short-term borrowings 0 0
Long-term debt 0 0
Other liabilities 348 0
Total liabilities at fair value 33,615 77,618
Recurring basis | Level 1 | Long-term debt - of which structured notes over one year and up to two years    
Liabilities    
Long-term debt 0 0
Recurring basis | Level 1 | Long-term debt - of which structured notes over two years    
Liabilities    
Long-term debt 0 0
Recurring basis | Level 1 | Long-term debt - of which other debt instruments over two years    
Liabilities    
Long-term debt 0  
Recurring basis | Level 1 | Long-term debt - of which high-trigger instruments    
Liabilities    
Long-term debt 0 0
Recurring basis | Level 1 | Debt securities    
Liabilities    
Trading liabilities 2,809  
Recurring basis | Level 1 | Debt securities | Debt securities issued by foreign governments    
Liabilities    
Trading liabilities 2,667  
Recurring basis | Level 1 | Debt securities | Corporate debt securities    
Liabilities    
Trading liabilities 113  
Recurring basis | Level 1 | Equity securities    
Liabilities    
Trading liabilities 8,880 20,527
Recurring basis | Level 1 | Short positions    
Liabilities    
Trading liabilities 11,689  
Recurring basis | Level 1 | Derivative instruments    
Liabilities    
Trading liabilities 7,730 10,536
Recurring basis | Level 1 | Derivative instruments | Interest rate derivatives    
Liabilities    
Trading liabilities 776 3,264
Recurring basis | Level 1 | Derivative instruments | Foreign exchange derivatives    
Liabilities    
Trading liabilities 133 51
Recurring basis | Level 1 | Derivative instruments | Credit derivatives    
Liabilities    
Trading liabilities   0
Recurring basis | Level 1 | Derivative instruments | Equity/Index-related products    
Liabilities    
Trading liabilities 6,812 7,149
Recurring basis | Level 2    
Liabilities    
Due to banks 477 413
Customer deposits 3,306 3,895
Central bank funds purchased, securities sold under repurchase agreements and securities lending transactions 13,213 13,594
Obligation to return securities received as collateral 1,155 6,598
Trading liabilities 105,828 137,947
Short-term borrowings 9,658 10,039
Long-term debt 59,046 63,708
Other liabilities 2,031 6,678
Total liabilities at fair value 194,714 242,872
Recurring basis | Level 2 | Long-term debt - of which structured notes over one year and up to two years    
Liabilities    
Long-term debt 11,036 11,787
Recurring basis | Level 2 | Long-term debt - of which structured notes over two years    
Liabilities    
Long-term debt 24,168 28,330
Recurring basis | Level 2 | Long-term debt - of which other debt instruments over two years    
Liabilities    
Long-term debt 3,223  
Recurring basis | Level 2 | Long-term debt - of which high-trigger instruments    
Liabilities    
Long-term debt 10,702 10,586
Recurring basis | Level 2 | Debt securities    
Liabilities    
Trading liabilities 4,865  
Recurring basis | Level 2 | Debt securities | Debt securities issued by foreign governments    
Liabilities    
Trading liabilities 968  
Recurring basis | Level 2 | Debt securities | Corporate debt securities    
Liabilities    
Trading liabilities 3,839  
Recurring basis | Level 2 | Equity securities    
Liabilities    
Trading liabilities 109 111
Recurring basis | Level 2 | Short positions    
Liabilities    
Trading liabilities 4,974  
Recurring basis | Level 2 | Derivative instruments    
Liabilities    
Trading liabilities 100,854 132,885
Recurring basis | Level 2 | Derivative instruments | Interest rate derivatives    
Liabilities    
Trading liabilities 44,003 68,159
Recurring basis | Level 2 | Derivative instruments | Foreign exchange derivatives    
Liabilities    
Trading liabilities 22,646 28,819
Recurring basis | Level 2 | Derivative instruments | Credit derivatives    
Liabilities    
Trading liabilities   4,663
Recurring basis | Level 2 | Derivative instruments | Equity/Index-related products    
Liabilities    
Trading liabilities 27,919 30,612
Recurring basis | Level 3    
Liabilities    
Due to banks 0 0
Customer deposits 394 448
Central bank funds purchased, securities sold under repurchase agreements and securities lending transactions 0 0
Obligation to return securities received as collateral 14 101
Trading liabilities 2,809 4,246
Short-term borrowings 1,032 701
Long-term debt 9,676 7,268
Other liabilities 518 1,271
Total liabilities at fair value 14,443 14,035
Recurring basis | Level 3 | Long-term debt - of which structured notes over one year and up to two years    
Liabilities    
Long-term debt 1,464 1,133
Recurring basis | Level 3 | Long-term debt - of which structured notes over two years    
Liabilities    
Long-term debt 6,318 5,526
Recurring basis | Level 3 | Long-term debt - of which other debt instruments over two years    
Liabilities    
Long-term debt 1,854  
Recurring basis | Level 3 | Long-term debt - of which high-trigger instruments    
Liabilities    
Long-term debt 0 0
Recurring basis | Level 3 | Debt securities    
Liabilities    
Trading liabilities 3  
Recurring basis | Level 3 | Debt securities | Debt securities issued by foreign governments    
Liabilities    
Trading liabilities 0  
Recurring basis | Level 3 | Debt securities | Corporate debt securities    
Liabilities    
Trading liabilities 3  
Recurring basis | Level 3 | Equity securities    
Liabilities    
Trading liabilities 22 55
Recurring basis | Level 3 | Short positions    
Liabilities    
Trading liabilities 25  
Recurring basis | Level 3 | Derivative instruments    
Liabilities    
Trading liabilities 2,784 4,191
Recurring basis | Level 3 | Derivative instruments | Interest rate derivatives    
Liabilities    
Trading liabilities 26 169
Recurring basis | Level 3 | Derivative instruments | Foreign exchange derivatives    
Liabilities    
Trading liabilities 57 72
Recurring basis | Level 3 | Derivative instruments | Credit derivatives    
Liabilities    
Trading liabilities   1,335
Recurring basis | Level 3 | Derivative instruments | Equity/Index-related products    
Liabilities    
Trading liabilities 1,787 2,010
Recurring basis | Fair value measured at net asset value per share    
Liabilities    
Trading liabilities 1 1
Total liabilities at fair value 1 1
Recurring basis | Fair value measured at net asset value per share | Equity securities    
Liabilities    
Trading liabilities 1 1
Recurring basis | Fair value measured at net asset value per share | Short positions    
Liabilities    
Trading liabilities 1  
Nonrecurring basis    
Liabilities    
Other liabilities 21 14
Other liabilities of which commitments held-for-sale 21 14
Total liabilities at fair value 21 14
Nonrecurring basis | Level 1    
Liabilities    
Other liabilities 0 0
Other liabilities of which commitments held-for-sale 0 0
Total liabilities at fair value 0 0
Nonrecurring basis | Level 2    
Liabilities    
Other liabilities 0 0
Other liabilities of which commitments held-for-sale 0 0
Total liabilities at fair value 0 0
Nonrecurring basis | Level 3    
Liabilities    
Other liabilities 21 14
Other liabilities of which commitments held-for-sale 21 14
Total liabilities at fair value 21 14
Bank    
Liabilities    
Due to banks 477 413
Customer deposits 3,700 4,343
Central bank funds purchased, securities sold under repurchase agreements and securities lending transactions 13,307 13,688
Obligation to return securities received as collateral 15,017 50,773
Trading liabilities 27,539 45,871
Short-term borrowings 10,690 10,740
Long-term debt 67,788 70,243
Other liabilities 2,568 7,756
Netting impact (100,900) (130,100)
Bank | Recurring basis    
Liabilities    
Due to banks 477 413
Customer deposits 3,700 4,343
Central bank funds purchased, securities sold under repurchase agreements and securities lending transactions 13,307 13,688
Obligation to return securities received as collateral 15,017 50,773
Trading liabilities 27,539 45,871
Short-term borrowings 10,690 10,740
Long-term debt 67,788 70,243
Other liabilities 2,568 7,756
Netting impact (100,864) (130,106)
Total liabilities at fair value 141,086 203,827
Bank | Recurring basis | Long-term debt - of which structured notes over one year and up to two years    
Liabilities    
Long-term debt 12,500 12,920
Bank | Recurring basis | Long-term debt - of which structured notes over two years    
Liabilities    
Long-term debt 30,486 33,856
Bank | Recurring basis | Long-term debt - of which other debt instruments over two years    
Liabilities    
Long-term debt 5,077  
Bank | Recurring basis | Long-term debt - of which high-trigger instruments    
Liabilities    
Long-term debt 10,708 10,627
Bank | Recurring basis | Long-term debt - of which other subordinated bonds    
Liabilities    
Long-term debt 7,133  
Bank | Recurring basis | Debt securities    
Liabilities    
Trading liabilities 7,677  
Bank | Recurring basis | Debt securities | Debt securities issued by foreign governments    
Liabilities    
Trading liabilities 3,635  
Bank | Recurring basis | Debt securities | Corporate debt securities    
Liabilities    
Trading liabilities 3,955  
Bank | Recurring basis | Equity securities    
Liabilities    
Trading liabilities 9,016 20,694
Bank | Recurring basis | Short positions    
Liabilities    
Trading liabilities 16,693  
Bank | Recurring basis | Derivative instruments    
Liabilities    
Trading liabilities 10,846 17,745
Netting impact (100,559) (129,937)
Bank | Recurring basis | Trading liabilities    
Liabilities    
Netting impact (100,559) (129,937)
Bank | Recurring basis | Other liabilities    
Liabilities    
Netting impact (305) (169)
Bank | Recurring basis | Level 1    
Liabilities    
Due to banks 0 0
Customer deposits 0 0
Central bank funds purchased, securities sold under repurchase agreements and securities lending transactions 0 0
Obligation to return securities received as collateral 13,848 44,074
Trading liabilities 19,423 33,543
Short-term borrowings 0 0
Long-term debt 0 0
Other liabilities 348 0
Total liabilities at fair value 33,619 77,617
Bank | Recurring basis | Level 1 | Long-term debt - of which structured notes over one year and up to two years    
Liabilities    
Long-term debt 0 0
Bank | Recurring basis | Level 1 | Long-term debt - of which structured notes over two years    
Liabilities    
Long-term debt 0 0
Bank | Recurring basis | Level 1 | Long-term debt - of which other debt instruments over two years    
Liabilities    
Long-term debt 0  
Bank | Recurring basis | Level 1 | Long-term debt - of which high-trigger instruments    
Liabilities    
Long-term debt 0 0
Bank | Recurring basis | Level 1 | Long-term debt - of which other subordinated bonds    
Liabilities    
Long-term debt 0  
Bank | Recurring basis | Level 1 | Debt securities    
Liabilities    
Trading liabilities 2,809  
Bank | Recurring basis | Level 1 | Debt securities | Debt securities issued by foreign governments    
Liabilities    
Trading liabilities 2,667  
Bank | Recurring basis | Level 1 | Debt securities | Corporate debt securities    
Liabilities    
Trading liabilities 113  
Bank | Recurring basis | Level 1 | Equity securities    
Liabilities    
Trading liabilities 8,884 20,527
Bank | Recurring basis | Level 1 | Short positions    
Liabilities    
Trading liabilities 11,693  
Bank | Recurring basis | Level 1 | Derivative instruments    
Liabilities    
Trading liabilities 7,730 10,535
Bank | Recurring basis | Level 1 | Derivative instruments | Interest rate derivatives    
Liabilities    
Trading liabilities 776 3,264
Bank | Recurring basis | Level 1 | Derivative instruments | Foreign exchange derivatives    
Liabilities    
Trading liabilities 133 51
Bank | Recurring basis | Level 1 | Derivative instruments | Credit derivatives    
Liabilities    
Trading liabilities   0
Bank | Recurring basis | Level 1 | Derivative instruments | Equity/Index-related products    
Liabilities    
Trading liabilities 6,812 7,149
Bank | Recurring basis | Level 2    
Liabilities    
Due to banks 477 413
Customer deposits 3,306 3,895
Central bank funds purchased, securities sold under repurchase agreements and securities lending transactions 13,307 13,688
Obligation to return securities received as collateral 1,155 6,598
Trading liabilities 105,865 138,018
Short-term borrowings 9,658 10,039
Long-term debt 58,112 62,957
Other liabilities 2,008 6,675
Total liabilities at fair value 193,888 242,283
Bank | Recurring basis | Level 2 | Long-term debt - of which structured notes over one year and up to two years    
Liabilities    
Long-term debt 11,036 11,787
Bank | Recurring basis | Level 2 | Long-term debt - of which structured notes over two years    
Liabilities    
Long-term debt 24,168 28,330
Bank | Recurring basis | Level 2 | Long-term debt - of which other debt instruments over two years    
Liabilities    
Long-term debt 3,223  
Bank | Recurring basis | Level 2 | Long-term debt - of which high-trigger instruments    
Liabilities    
Long-term debt 10,708 10,627
Bank | Recurring basis | Level 2 | Long-term debt - of which other subordinated bonds    
Liabilities    
Long-term debt 7,133  
Bank | Recurring basis | Level 2 | Debt securities    
Liabilities    
Trading liabilities 4,865  
Bank | Recurring basis | Level 2 | Debt securities | Debt securities issued by foreign governments    
Liabilities    
Trading liabilities 968  
Bank | Recurring basis | Level 2 | Debt securities | Corporate debt securities    
Liabilities    
Trading liabilities 3,839  
Bank | Recurring basis | Level 2 | Equity securities    
Liabilities    
Trading liabilities 109 111
Bank | Recurring basis | Level 2 | Short positions    
Liabilities    
Trading liabilities 4,974  
Bank | Recurring basis | Level 2 | Derivative instruments    
Liabilities    
Trading liabilities 100,891 132,956
Bank | Recurring basis | Level 2 | Derivative instruments | Interest rate derivatives    
Liabilities    
Trading liabilities 44,039 68,229
Bank | Recurring basis | Level 2 | Derivative instruments | Foreign exchange derivatives    
Liabilities    
Trading liabilities 22,646 28,819
Bank | Recurring basis | Level 2 | Derivative instruments | Credit derivatives    
Liabilities    
Trading liabilities   4,663
Bank | Recurring basis | Level 2 | Derivative instruments | Equity/Index-related products    
Liabilities    
Trading liabilities 27,919 30,612
Bank | Recurring basis | Level 3    
Liabilities    
Due to banks 0 0
Customer deposits 394 448
Central bank funds purchased, securities sold under repurchase agreements and securities lending transactions 0 0
Obligation to return securities received as collateral 14 101
Trading liabilities 2,809 4,246
Short-term borrowings 1,032 701
Long-term debt 9,676 7,286
Other liabilities 517 1,250
Total liabilities at fair value 14,442 14,032
Bank | Recurring basis | Level 3 | Long-term debt - of which structured notes over one year and up to two years    
Liabilities    
Long-term debt 1,464 1,133
Bank | Recurring basis | Level 3 | Long-term debt - of which structured notes over two years    
Liabilities    
Long-term debt 6,318 5,526
Bank | Recurring basis | Level 3 | Long-term debt - of which other debt instruments over two years    
Liabilities    
Long-term debt 1,854  
Bank | Recurring basis | Level 3 | Long-term debt - of which high-trigger instruments    
Liabilities    
Long-term debt 0 0
Bank | Recurring basis | Level 3 | Long-term debt - of which other subordinated bonds    
Liabilities    
Long-term debt 0  
Bank | Recurring basis | Level 3 | Debt securities    
Liabilities    
Trading liabilities 3  
Bank | Recurring basis | Level 3 | Debt securities | Debt securities issued by foreign governments    
Liabilities    
Trading liabilities 0  
Bank | Recurring basis | Level 3 | Debt securities | Corporate debt securities    
Liabilities    
Trading liabilities 3  
Bank | Recurring basis | Level 3 | Equity securities    
Liabilities    
Trading liabilities 22 55
Bank | Recurring basis | Level 3 | Short positions    
Liabilities    
Trading liabilities 25  
Bank | Recurring basis | Level 3 | Derivative instruments    
Liabilities    
Trading liabilities 2,784 4,191
Bank | Recurring basis | Level 3 | Derivative instruments | Interest rate derivatives    
Liabilities    
Trading liabilities 26 169
Bank | Recurring basis | Level 3 | Derivative instruments | Foreign exchange derivatives    
Liabilities    
Trading liabilities 57 72
Bank | Recurring basis | Level 3 | Derivative instruments | Credit derivatives    
Liabilities    
Trading liabilities   1,335
Bank | Recurring basis | Level 3 | Derivative instruments | Equity/Index-related products    
Liabilities    
Trading liabilities 1,787 2,010
Bank | Recurring basis | Fair value measured at net asset value per share    
Liabilities    
Trading liabilities 1 1
Total liabilities at fair value 1 1
Bank | Recurring basis | Fair value measured at net asset value per share | Equity securities    
Liabilities    
Trading liabilities 1 1
Bank | Recurring basis | Fair value measured at net asset value per share | Short positions    
Liabilities    
Trading liabilities 1  
Bank | Nonrecurring basis    
Liabilities    
Other liabilities 21 14
Other liabilities of which commitments held-for-sale 21 14
Total liabilities at fair value 21 14
Bank | Nonrecurring basis | Level 1    
Liabilities    
Other liabilities 0 0
Other liabilities of which commitments held-for-sale 0 0
Total liabilities at fair value 0 0
Bank | Nonrecurring basis | Level 2    
Liabilities    
Other liabilities 0 0
Other liabilities of which commitments held-for-sale 0 0
Total liabilities at fair value 0 0
Bank | Nonrecurring basis | Level 3    
Liabilities    
Other liabilities 21 14
Other liabilities of which commitments held-for-sale 21 14
Total liabilities at fair value SFr 21 SFr 14