Recently issued accounting standards (Details 2) - CHF (SFr)
SFr in Millions |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
| Assets [Abstract] |
|
|
|
|
| Interest-bearing deposits with banks |
SFr 1,323
|
SFr 1,298
|
|
|
| Loans Receivable, Fair Value Disclosure |
10,243
|
11,408
|
|
|
| Financing Receivable and Fair value Loans, Net Reported amount |
291,686
|
291,908
|
|
|
| Financing Receivable, before Allowance for Credit Loss and Fee |
282,821
|
282,131
|
|
|
| Loans and Leases Receivable, Allowance |
|
|
SFr 946
|
SFr 902
|
| Other Assets |
41,231
|
39,637
|
|
|
| Liabilities [Abstract] |
|
|
|
|
| Other Liabilities |
22,644
|
31,434
|
|
|
| Other Liabilities, Fair Value Disclosure |
2,592
|
7,780
|
|
|
| Off-Balance Sheet, Credit Loss, Liability |
257
|
311
|
|
|
| Retained Earnings (Accumulated Deficit) |
31,064
|
32,834
|
|
|
| Bank |
|
|
|
|
| Assets [Abstract] |
|
|
|
|
| Interest-bearing deposits with banks |
1,256
|
1,230
|
|
|
| Loans Receivable, Fair Value Disclosure |
10,243
|
11,408
|
|
|
| Financing Receivable and Fair value Loans, Net Reported amount |
300,358
|
300,341
|
|
|
| Financing Receivable, before Allowance for Credit Loss and Fee |
291,492
|
290,563
|
|
|
| Loans and Leases Receivable, Allowance |
|
|
SFr 945
|
SFr 901
|
| Other Assets |
36,715
|
36,574
|
|
|
| Liabilities [Abstract] |
|
|
|
|
| Other Liabilities |
21,309
|
30,340
|
|
|
| Other Liabilities, Fair Value Disclosure |
2,568
|
7,756
|
|
|
| Off-Balance Sheet, Credit Loss, Liability |
257
|
311
|
|
|
| Retained Earnings (Accumulated Deficit) |
SFr 14,932
|
SFr 15,871
|
|
|