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Loans, allowance for loan losses and credit quality (Details) - CHF (SFr) SFr in Millions | Jun. 30, 2022 | Mar. 31, 2022 | Dec. 31, 2021 | Jun. 30, 2021 | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | --- | --- | --- | --- | ---
Loans |  |  |  |  |  |
Gross loans | SFr 287,006 | SFr 289,093 | SFr 293,064 |  |  |
of which held at amortized cost | 277,907 | 279,548 | 282,821 |  |  |
of which held at fair value | 9,099 | 9,545 | 10,243 |  |  |
Net (unearned income)/deferred expenses | (73) | (81) | (81) |  |  |
Allowance for credit losses | (1,360) | (1,330) | (1,297) | SFr (1,412) | SFr (1,527) | SFr (1,536)
Net loans | 285,573 | 287,682 | 291,686 |  |  |
Non-performing loans | 1,649 | 1,819 | 1,666 |  |  |
Non-interest-earning loans | 345 | 378 | 298 |  |  |
Non-accrual loans | 1,994 | 2,197 | 1,964 | 2,279 |  | 2,041
Restructured loans | 571 | 384 | 367 |  |  |
Potential problem loans | 516 | 451 | 436 |  |  |
Total other impaired loans | 1,087 | 835 | 803 |  |  |
Gross impaired loans | 3,081 | 3,032 | 2,767 |  |  |
Consumer mortgages secured by residential real estate for which formal foreclosure proceedings according to local requirements of the applicable jurisdiction were in process | 152 | 184 | 130 |  |  |
Switzerland |  |  |  |  |  |
Loans |  |  |  |  |  |
Gross loans | 168,354 | 169,454 | 167,957 |  |  |
Foreign |  |  |  |  |  |
Loans |  |  |  |  |  |
Gross loans | 118,652 | 119,639 | 125,107 |  |  |
Corporate and institutional |  |  |  |  |  |
Loans |  |  |  |  |  |
Gross loans | 126,446 | 125,868 | 126,203 |  |  |
of which held at amortized cost | 117,459 |  | 116,155 |  |  |
Allowance for credit losses | (977) | (961) | (940) | (1,067) | (1,198) | (1,218)
Non-accrual loans | 1,053 |  | 925 | 1,166 |  | 1,317
Corporate and institutional | Real estate |  |  |  |  |  |
Loans |  |  |  |  |  |
Gross loans | 27,253 | 28,556 | 28,529 |  |  |
of which held at amortized cost | 26,705 |  | 27,805 |  |  |
Non-accrual loans | 143 |  | 167 | 293 |  | 324
Corporate and institutional | Commercial and industrial loans |  |  |  |  |  |
Loans |  |  |  |  |  |
Gross loans | 68,769 | 68,432 | 69,129 |  |  |
of which held at amortized cost | 65,133 |  | 66,147 |  |  |
Non-accrual loans | 707 |  | 698 | 790 |  | 925
Corporate and institutional | Financial institutions |  |  |  |  |  |
Loans |  |  |  |  |  |
Gross loans | 26,893 | 25,733 | 25,222 |  |  |
of which held at amortized cost | 23,783 |  | 20,916 |  |  |
Non-accrual loans | 192 |  | 41 | 63 |  | 68
Corporate and institutional | Governments and public institutions |  |  |  |  |  |
Loans |  |  |  |  |  |
Gross loans | 3,531 | 3,147 | 3,323 |  |  |
of which held at amortized cost | 1,838 |  | 1,287 |  |  |
Non-accrual loans | 11 |  | 19 | 20 |  | 0
Consumer |  |  |  |  |  |
Loans |  |  |  |  |  |
Gross loans | 160,560 | 163,225 | 166,861 |  |  |
of which held at amortized cost | 160,448 |  | 166,666 |  |  |
Allowance for credit losses | (383) | (369) | (357) | (345) | SFr (329) | (318)
Non-accrual loans | 941 |  | 1,039 | 1,113 |  | 724
Consumer | Mortgages |  |  |  |  |  |
Loans |  |  |  |  |  |
Gross loans | 109,483 | 110,166 | 110,533 |  |  |
of which held at amortized cost | 109,483 |  | 110,533 |  |  |
Non-accrual loans | 503 |  | 572 | 615 |  | 418
Consumer | Loans collateralized by securities |  |  |  |  |  |
Loans |  |  |  |  |  |
Gross loans | 45,658 | 47,828 | 51,253 |  |  |
of which held at amortized cost | 45,658 |  | 51,253 |  |  |
Non-accrual loans | 238 |  | 262 | 298 |  | 105
Consumer | Consumer finance |  |  |  |  |  |
Loans |  |  |  |  |  |
Gross loans | 5,419 | SFr 5,231 | 5,075 |  |  |
of which held at amortized cost | 5,307 |  | 4,880 |  |  |
Non-accrual loans | 200 |  | 205 | 200 |  | 201
Bank |  |  |  |  |  |
Loans |  |  |  |  |  |
Gross loans | 295,437 |  | 301,735 |  |  |
of which held at amortized cost | 286,338 |  | 291,492 |  |  |
of which held at fair value | 9,099 |  | 10,243 |  |  |
Net (unearned income)/deferred expenses | (73) |  | (81) |  |  |
Allowance for credit losses | (1,359) |  | (1,296) | (1,411) |  | (1,535)
Net loans | 294,005 |  | 300,358 |  |  |
Non-performing loans | 1,649 |  | 1,666 |  |  |
Non-interest-earning loans | 334 |  | 286 |  |  |
Non-accrual loans | 1,983 |  | 1,952 | 2,267 |  | 2,029
Restructured loans | 571 |  | 367 |  |  |
Potential problem loans | 516 |  | 436 |  |  |
Total other impaired loans | 1,087 |  | 803 |  |  |
Gross impaired loans | 3,070 |  | 2,755 |  |  |
Consumer mortgages secured by residential real estate for which formal foreclosure proceedings according to local requirements of the applicable jurisdiction were in process | 152 |  | 130 |  |  |
Bank | Switzerland |  |  |  |  |  |
Loans |  |  |  |  |  |
Gross loans | 176,055 |  | 175,903 |  |  |
Bank | Foreign |  |  |  |  |  |
Loans |  |  |  |  |  |
Gross loans | 119,382 |  | 125,832 |  |  |
Bank | Corporate and institutional |  |  |  |  |  |
Loans |  |  |  |  |  |
Gross loans | 134,877 |  | 134,874 |  |  |
of which held at amortized cost | 117,448 |  | 116,143 |  |  |
Allowance for credit losses | (976) |  | (939) | (1,066) |  | (1,217)
Non-accrual loans | 1,042 |  | 913 | 1,154 |  | 1,305
Bank | Corporate and institutional | Real estate |  |  |  |  |  |
Loans |  |  |  |  |  |
Gross loans | 27,253 |  | 28,529 |  |  |
of which held at amortized cost | 26,705 |  | 27,805 |  |  |
Non-accrual loans | 143 |  | 167 | 293 |  | 324
Bank | Corporate and institutional | Commercial and industrial loans |  |  |  |  |  |
Loans |  |  |  |  |  |
Gross loans | 69,424 |  | 69,756 |  |  |
of which held at amortized cost | 65,122 |  | 66,135 |  |  |
Non-accrual loans | 696 |  | 686 | 778 |  | 913
Bank | Corporate and institutional | Financial institutions |  |  |  |  |  |
Loans |  |  |  |  |  |
Gross loans | 34,669 |  | 33,266 |  |  |
of which held at amortized cost | 23,783 |  | 20,916 |  |  |
Non-accrual loans | 192 |  | 41 | 63 |  | 68
Bank | Corporate and institutional | Governments and public institutions |  |  |  |  |  |
Loans |  |  |  |  |  |
Gross loans | 3,531 |  | 3,323 |  |  |
of which held at amortized cost | 1,838 |  | 1,287 |  |  |
Non-accrual loans | 11 |  | 19 | 20 |  | 0
Bank | Consumer |  |  |  |  |  |
Loans |  |  |  |  |  |
Gross loans | 160,560 |  | 166,861 |  |  |
of which held at amortized cost | 160,448 |  | 166,666 |  |  |
Allowance for credit losses | (383) |  | (357) | (345) |  | (318)
Non-accrual loans | 941 |  | 1,039 | 1,113 |  | 724
Bank | Consumer | Mortgages |  |  |  |  |  |
Loans |  |  |  |  |  |
Gross loans | 109,483 |  | 110,533 |  |  |
of which held at amortized cost | 109,483 |  | 110,533 |  |  |
Non-accrual loans | 503 |  | 572 | 615 |  | 418
Bank | Consumer | Loans collateralized by securities |  |  |  |  |  |
Loans |  |  |  |  |  |
Gross loans | 45,658 |  | 51,253 |  |  |
of which held at amortized cost | 45,658 |  | 51,253 |  |  |
Non-accrual loans | 238 |  | 262 | 298 |  | 105
Bank | Consumer | Consumer finance |  |  |  |  |  |
Loans |  |  |  |  |  |
Gross loans | 5,419 |  | 5,075 |  |  |
of which held at amortized cost | 5,307 |  | 4,880 |  |  |
Non-accrual loans | SFr 200 |  | SFr 205 | SFr 200 |  | SFr 201

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