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Financial instruments (Details 2) - CHF (SFr)
SFr in Millions
Dec. 31, 2015
Dec. 31, 2014
Assets    
Cash and Due from Banks SFr 89 SFr 304
Interest-bearing deposits with banks 2 0
Central bank funds sold, securities purchased under resale agreements and securities borrowing transactions 83,565 104,283
Securities received as collateral 28,511 26,854
Trading assets 190,737 241,131
Investment securities 3,090 2,791
Other investments 4,237 5,654
Loans 20,820 22,913
Other intangible assets (mortgage servicing rights), at fair value 112 70
Other assets 25,627 32,320
Netting impact (245,100) (590,000)
Recurring basis    
Assets    
Cash and Due from Banks 89 304
Interest-bearing deposits with banks 2  
Central bank funds sold, securities purchased under resale agreements and securities borrowing transactions 83,565 104,283
Securities received as collateral 28,511 26,854
Trading assets 190,737 241,131
Investment securities 3,090 2,791
Other investments 4,237 5,654
Loans 20,820 22,913
Loans - of which commercial and industrial 11,546 11,669
Loans - of which financial institutions 5,831 7,721
Other intangible assets (mortgage servicing rights), at fair value 112 70
Other assets 25,627 32,320
Other assets - of which loans held-for-sale 21,146 22,958
Netting impact (245,254) (590,011)
Total assets at fair value 356,790 436,320
Less other investments - equity at fair value attributable to noncontrolling interests (601) (1,029)
Less assets consolidated under ASU 2009-17 (12,770) (12,278)
Assets at fair value excluding noncontrolling interests and assets not risk-weighted under the Basel framework 343,419 423,013
Recurring basis | Private equity    
Assets    
Other investments 1,042 1,286
Recurring basis | Private equity - of which equity funds    
Assets    
Other investments 437 585
Recurring basis | Hedge funds    
Assets    
Other investments 295 533
Recurring basis | Hedge funds - of which debt funds    
Assets    
Other investments 260 483
Recurring basis | Other equity investments    
Assets    
Other investments 1,229 2,001
Recurring basis | Other equity investments - of which private    
Assets    
Other investments 1,219 1,920
Recurring basis | Life finance instruments    
Assets    
Other investments 1,671 1,834
Recurring basis | Debt securities    
Assets    
Securities received as collateral 1,304 902
Trading assets 80,542 94,391
Investment securities 3,004 2,683
Recurring basis | Debt securities | Debt securities issued by foreign governments    
Assets    
Trading assets 31,732 37,031
Investment securities 1,416 2,066
Recurring basis | Debt securities | Corporate debt securities    
Assets    
Securities received as collateral 261 745
Trading assets 17,520 23,956
Investment securities 285 313
Recurring basis | Debt securities | RMBS    
Assets    
Trading assets 23,116 22,762
Investment securities 750  
Recurring basis | Debt securities | CMBS    
Assets    
Trading assets 4,139 5,550
Investment securities 259  
Recurring basis | Debt securities | Collateralized debt obligations    
Assets    
Trading assets 3,615 4,606
Recurring basis | Equity securities    
Assets    
Securities received as collateral 27,207 25,952
Trading assets 70,961 94,294
Investment securities 86 108
Recurring basis | Derivative instruments    
Assets    
Trading assets 28,365 38,012
Netting impact (244,105) (588,917)
Recurring basis | Other    
Assets    
Trading assets 10,869 14,434
Recurring basis | Other assets    
Assets    
Netting impact (1,149) (1,094)
Level 1 | Recurring basis    
Assets    
Cash and Due from Banks 0 0
Interest-bearing deposits with banks 0  
Central bank funds sold, securities purchased under resale agreements and securities borrowing transactions 0 0
Securities received as collateral 27,952 26,029
Trading assets 96,843 125,723
Investment securities 1,540 2,370
Other investments 0 77
Loans 0 0
Loans - of which commercial and industrial 0 0
Loans - of which financial institutions 0 0
Other intangible assets (mortgage servicing rights), at fair value 0 0
Other assets 687 2,457
Other assets - of which loans held-for-sale 0 0
Total assets at fair value 127,022 156,656
Less other investments - equity at fair value attributable to noncontrolling interests 0 (75)
Less assets consolidated under ASU 2009-17 0 0
Assets at fair value excluding noncontrolling interests and assets not risk-weighted under the Basel framework 127,022 156,581
Level 1 | Recurring basis | Private equity    
Assets    
Other investments 0 0
Level 1 | Recurring basis | Private equity - of which equity funds    
Assets    
Other investments 0 0
Level 1 | Recurring basis | Hedge funds    
Assets    
Other investments 0 0
Level 1 | Recurring basis | Hedge funds - of which debt funds    
Assets    
Other investments 0 0
Level 1 | Recurring basis | Other equity investments    
Assets    
Other investments 0 77
Level 1 | Recurring basis | Other equity investments - of which private    
Assets    
Other investments 0 0
Level 1 | Recurring basis | Life finance instruments    
Assets    
Other investments 0 0
Level 1 | Recurring basis | Debt securities    
Assets    
Securities received as collateral 811 121
Trading assets 27,932 31,937
Investment securities 1,538 2,368
Level 1 | Recurring basis | Debt securities | Debt securities issued by foreign governments    
Assets    
Trading assets 27,710 31,708
Investment securities 1,322 2,066
Level 1 | Recurring basis | Debt securities | Corporate debt securities    
Assets    
Securities received as collateral 0 0
Trading assets 13 28
Investment securities 0 0
Level 1 | Recurring basis | Debt securities | RMBS    
Assets    
Trading assets 0 0
Investment securities 0  
Level 1 | Recurring basis | Debt securities | CMBS    
Assets    
Trading assets 0 0
Investment securities 0  
Level 1 | Recurring basis | Debt securities | Collateralized debt obligations    
Assets    
Trading assets 0 0
Level 1 | Recurring basis | Equity securities    
Assets    
Securities received as collateral 27,141 25,908
Trading assets 64,252 86,333
Investment securities 2 2
Level 1 | Recurring basis | Derivative instruments    
Assets    
Trading assets 2,625 4,467
Level 1 | Recurring basis | Derivative instruments | Interest rate derivatives    
Assets    
Trading assets 657 1,616
Level 1 | Recurring basis | Derivative instruments | Foreign exchange derivatives    
Assets    
Trading assets 104 118
Level 1 | Recurring basis | Derivative instruments | Equity/Index-related products    
Assets    
Trading assets 1,857 2,711
Level 1 | Recurring basis | Derivative instruments | Credit derivatives    
Assets    
Trading assets 0 0
Level 1 | Recurring basis | Other    
Assets    
Trading assets 2,034 2,986
Level 2 | Recurring basis    
Assets    
Cash and Due from Banks 89 304
Interest-bearing deposits with banks 2  
Central bank funds sold, securities purchased under resale agreements and securities borrowing transactions 83,407 104,206
Securities received as collateral 559 825
Trading assets 322,851 687,145
Investment securities 1,402 418
Other investments 179 294
Loans 11,870 13,560
Loans - of which commercial and industrial 5,811 5,816
Loans - of which financial institutions 4,102 6,227
Other intangible assets (mortgage servicing rights), at fair value 0 0
Other assets 19,002 23,489
Other assets - of which loans held-for-sale 14,378 16,107
Total assets at fair value 439,361 830,241
Less other investments - equity at fair value attributable to noncontrolling interests (18) (133)
Less assets consolidated under ASU 2009-17 (9,212) (9,123)
Assets at fair value excluding noncontrolling interests and assets not risk-weighted under the Basel framework 430,131 820,985
Level 2 | Recurring basis | Private equity    
Assets    
Other investments 0 0
Level 2 | Recurring basis | Private equity - of which equity funds    
Assets    
Other investments 0 0
Level 2 | Recurring basis | Hedge funds    
Assets    
Other investments 98 219
Level 2 | Recurring basis | Hedge funds - of which debt funds    
Assets    
Other investments 68 181
Level 2 | Recurring basis | Other equity investments    
Assets    
Other investments 79 75
Level 2 | Recurring basis | Other equity investments - of which private    
Assets    
Other investments 70 70
Level 2 | Recurring basis | Life finance instruments    
Assets    
Other investments 2 0
Level 2 | Recurring basis | Debt securities    
Assets    
Securities received as collateral 493 781
Trading assets 48,046 57,989
Investment securities 1,318 315
Level 2 | Recurring basis | Debt securities | Debt securities issued by foreign governments    
Assets    
Trading assets 3,737 4,869
Investment securities 94 0
Level 2 | Recurring basis | Debt securities | Corporate debt securities    
Assets    
Securities received as collateral 261 745
Trading assets 15,761 22,493
Investment securities 285 313
Level 2 | Recurring basis | Debt securities | RMBS    
Assets    
Trading assets 22,302 22,150
Investment securities 602  
Level 2 | Recurring basis | Debt securities | CMBS    
Assets    
Trading assets 3,924 5,293
Investment securities 259  
Level 2 | Recurring basis | Debt securities | Collateralized debt obligations    
Assets    
Trading assets 2,317 3,185
Level 2 | Recurring basis | Equity securities    
Assets    
Securities received as collateral 66 44
Trading assets 5,222 6,395
Investment securities 84 103
Level 2 | Recurring basis | Derivative instruments    
Assets    
Trading assets 265,014 615,639
Level 2 | Recurring basis | Derivative instruments | Interest rate derivatives    
Assets    
Trading assets 167,173 466,890
Level 2 | Recurring basis | Derivative instruments | Foreign exchange derivatives    
Assets    
Trading assets 59,740 89,101
Level 2 | Recurring basis | Derivative instruments | Equity/Index-related products    
Assets    
Trading assets 19,803 26,644
Level 2 | Recurring basis | Derivative instruments | Credit derivatives    
Assets    
Trading assets 16,267 24,451
Level 2 | Recurring basis | Other    
Assets    
Trading assets 4,569 7,122
Level 3 | Recurring basis    
Assets    
Cash and Due from Banks 0 0
Interest-bearing deposits with banks 0  
Central bank funds sold, securities purchased under resale agreements and securities borrowing transactions 158 77
Securities received as collateral 0 0
Trading assets 15,148 17,180
Investment securities 148 3
Other investments 4,058 5,283
Loans 8,950 9,353
Loans - of which commercial and industrial 5,735 5,853
Loans - of which financial institutions 1,729 1,494
Other intangible assets (mortgage servicing rights), at fair value 112 70
Other assets 7,087 7,468
Other assets - of which loans held-for-sale 6,768 6,851
Total assets at fair value 35,661 39,434
Less other investments - equity at fair value attributable to noncontrolling interests (583) (821)
Less assets consolidated under ASU 2009-17 (3,558) (3,155)
Assets at fair value excluding noncontrolling interests and assets not risk-weighted under the Basel framework 31,520 35,458
Level 3 | Recurring basis | Private equity    
Assets    
Other investments 1,042 1,286
Level 3 | Recurring basis | Private equity - of which equity funds    
Assets    
Other investments 437 585
Level 3 | Recurring basis | Hedge funds    
Assets    
Other investments 197 314
Level 3 | Recurring basis | Hedge funds - of which debt funds    
Assets    
Other investments 192 302
Level 3 | Recurring basis | Other equity investments    
Assets    
Other investments 1,150 1,849
Level 3 | Recurring basis | Other equity investments - of which private    
Assets    
Other investments 1,149 1,850
Level 3 | Recurring basis | Life finance instruments    
Assets    
Other investments 1,669 1,834
Level 3 | Recurring basis | Debt securities    
Assets    
Securities received as collateral 0 0
Trading assets 4,564 4,465
Investment securities 148 0
Level 3 | Recurring basis | Debt securities | Debt securities issued by foreign governments    
Assets    
Trading assets 285 454
Investment securities 0 0
Level 3 | Recurring basis | Debt securities | Corporate debt securities    
Assets    
Securities received as collateral 0 0
Trading assets 1,746 1,435
Investment securities 0 0
Level 3 | Recurring basis | Debt securities | RMBS    
Assets    
Trading assets 814 612
Investment securities 148  
Level 3 | Recurring basis | Debt securities | CMBS    
Assets    
Trading assets 215 257
Investment securities 0  
Level 3 | Recurring basis | Debt securities | Collateralized debt obligations    
Assets    
Trading assets 1,298 1,421
Level 3 | Recurring basis | Equity securities    
Assets    
Securities received as collateral 0 0
Trading assets 1,487 1,566
Investment securities 0 3
Level 3 | Recurring basis | Derivative instruments    
Assets    
Trading assets 4,831 6,823
Level 3 | Recurring basis | Derivative instruments | Interest rate derivatives    
Assets    
Trading assets 791 1,803
Level 3 | Recurring basis | Derivative instruments | Foreign exchange derivatives    
Assets    
Trading assets 383 301
Level 3 | Recurring basis | Derivative instruments | Equity/Index-related products    
Assets    
Trading assets 936 1,063
Level 3 | Recurring basis | Derivative instruments | Credit derivatives    
Assets    
Trading assets 1,568 2,569
Level 3 | Recurring basis | Other    
Assets    
Trading assets 4,266 4,326
Bank    
Assets    
Cash and Due from Banks 89 304
Interest-bearing deposits with banks 2 0
Central bank funds sold, securities purchased under resale agreements and securities borrowing transactions 83,565 104,283
Securities received as collateral 28,511 26,854
Trading assets 191,096 241,313
Investment securities 2,698 2,379
Other investments 4,227 5,642
Loans 20,820 22,913
Other intangible assets (mortgage servicing rights), at fair value 112 70
Other assets 25,626 32,321
Netting impact (245,100) (590,300)
Bank | Recurring basis    
Assets    
Cash and Due from Banks 89 304
Interest-bearing deposits with banks 2  
Central bank funds sold, securities purchased under resale agreements and securities borrowing transactions 83,565 104,283
Securities received as collateral 28,511 26,854
Trading assets 191,096 241,313
Investment securities 2,698 2,379
Other investments 4,227 5,642
Loans 20,820 22,913
Loans - of which commercial and industrial 11,546 11,669
Loans - of which financial institutions 5,831 7,721
Other intangible assets (mortgage servicing rights), at fair value 112 70
Other assets 25,626 32,321
Other assets - of which loans held-for-sale 21,146 22,958
Netting impact (245,250) (590,298)
Total assets at fair value 356,746 436,079
Less other investments - equity at fair value attributable to noncontrolling interests (601) (1,029)
Less assets consolidated under ASU 2009-17 (12,770) (12,278)
Assets at fair value excluding noncontrolling interests and assets not risk-weighted under the Basel framework 343,375 422,772
Bank | Recurring basis | Private equity    
Assets    
Other investments 1,033 1,268
Bank | Recurring basis | Private equity - of which equity funds    
Assets    
Other investments 428 567
Bank | Recurring basis | Hedge funds    
Assets    
Other investments 295 533
Bank | Recurring basis | Hedge funds - of which debt funds    
Assets    
Other investments 260 483
Bank | Recurring basis | Other equity investments    
Assets    
Other investments 1,228 2,007
Bank | Recurring basis | Other equity investments - of which private    
Assets    
Other investments 1,219 1,925
Bank | Recurring basis | Life finance instruments    
Assets    
Other investments 1,671 1,834
Bank | Recurring basis | Debt securities    
Assets    
Securities received as collateral 1,304 902
Trading assets 80,546 94,405
Investment securities 2,612 2,271
Bank | Recurring basis | Debt securities | Debt securities issued by foreign governments    
Assets    
Trading assets 31,732 37,031
Investment securities 1,322 1,962
Bank | Recurring basis | Debt securities | Corporate debt securities    
Assets    
Securities received as collateral 261 745
Trading assets 17,524 23,970
Investment securities 281 309
Bank | Recurring basis | Debt securities | RMBS    
Assets    
Trading assets 23,116 22,762
Investment securities 750  
Bank | Recurring basis | Debt securities | CMBS    
Assets    
Trading assets 4,139 5,550
Investment securities 259  
Bank | Recurring basis | Debt securities | Collateralized debt obligations    
Assets    
Trading assets 3,615 4,606
Bank | Recurring basis | Equity securities    
Assets    
Securities received as collateral 27,207 25,952
Trading assets 71,102 94,493
Investment securities 86 108
Bank | Recurring basis | Derivative instruments    
Assets    
Trading assets 28,579 37,979
Netting impact (244,239) (589,323)
Bank | Recurring basis | Other    
Assets    
Trading assets 10,869 14,436
Bank | Recurring basis | Other assets    
Assets    
Netting impact (1,011) (975)
Bank | Level 1 | Recurring basis    
Assets    
Cash and Due from Banks 0 0
Interest-bearing deposits with banks 0  
Central bank funds sold, securities purchased under resale agreements and securities borrowing transactions 0 0
Securities received as collateral 27,952 26,029
Trading assets 96,984 125,923
Investment securities 1,324 1,964
Other investments 0 77
Loans 0 0
Loans - of which commercial and industrial 0 0
Loans - of which financial institutions 0 0
Other intangible assets (mortgage servicing rights), at fair value 0 0
Other assets 687 2,457
Other assets - of which loans held-for-sale 0 0
Total assets at fair value 126,947 156,450
Less other investments - equity at fair value attributable to noncontrolling interests 0 (75)
Less assets consolidated under ASU 2009-17 0 0
Assets at fair value excluding noncontrolling interests and assets not risk-weighted under the Basel framework 126,947 156,375
Bank | Level 1 | Recurring basis | Private equity    
Assets    
Other investments 0 0
Bank | Level 1 | Recurring basis | Private equity - of which equity funds    
Assets    
Other investments 0 0
Bank | Level 1 | Recurring basis | Hedge funds    
Assets    
Other investments 0 0
Bank | Level 1 | Recurring basis | Hedge funds - of which debt funds    
Assets    
Other investments 0 0
Bank | Level 1 | Recurring basis | Other equity investments    
Assets    
Other investments 0 77
Bank | Level 1 | Recurring basis | Other equity investments - of which private    
Assets    
Other investments 0 0
Bank | Level 1 | Recurring basis | Life finance instruments    
Assets    
Other investments 0 0
Bank | Level 1 | Recurring basis | Debt securities    
Assets    
Securities received as collateral 811 121
Trading assets 27,932 31,937
Investment securities 1,322 1,962
Bank | Level 1 | Recurring basis | Debt securities | Debt securities issued by foreign governments    
Assets    
Trading assets 27,710 31,708
Investment securities 1,322 1,962
Bank | Level 1 | Recurring basis | Debt securities | Corporate debt securities    
Assets    
Securities received as collateral 0 0
Trading assets 13 28
Investment securities 0 0
Bank | Level 1 | Recurring basis | Debt securities | RMBS    
Assets    
Trading assets 0 0
Investment securities 0  
Bank | Level 1 | Recurring basis | Debt securities | CMBS    
Assets    
Trading assets 0 0
Investment securities 0  
Bank | Level 1 | Recurring basis | Debt securities | Collateralized debt obligations    
Assets    
Trading assets 0 0
Bank | Level 1 | Recurring basis | Equity securities    
Assets    
Securities received as collateral 27,141 25,908
Trading assets 64,393 86,532
Investment securities 2 2
Bank | Level 1 | Recurring basis | Derivative instruments    
Assets    
Trading assets 2,625 4,467
Bank | Level 1 | Recurring basis | Derivative instruments | Interest rate derivatives    
Assets    
Trading assets 657 1,616
Bank | Level 1 | Recurring basis | Derivative instruments | Foreign exchange derivatives    
Assets    
Trading assets 104 118
Bank | Level 1 | Recurring basis | Derivative instruments | Equity/Index-related products    
Assets    
Trading assets 1,857 2,711
Bank | Level 1 | Recurring basis | Derivative instruments | Credit derivatives    
Assets    
Trading assets 0 0
Bank | Level 1 | Recurring basis | Other    
Assets    
Trading assets 2,034 2,987
Bank | Level 2 | Recurring basis    
Assets    
Cash and Due from Banks 89 304
Interest-bearing deposits with banks 2  
Central bank funds sold, securities purchased under resale agreements and securities borrowing transactions 83,407 104,206
Securities received as collateral 559 825
Trading assets 323,203 687,533
Investment securities 1,226 412
Other investments 179 294
Loans 11,870 13,560
Loans - of which commercial and industrial 5,811 5,816
Loans - of which financial institutions 4,102 6,227
Other intangible assets (mortgage servicing rights), at fair value 0 0
Other assets 18,863 23,371
Other assets - of which loans held-for-sale 14,378 16,107
Total assets at fair value 439,398 830,505
Less other investments - equity at fair value attributable to noncontrolling interests (18) (133)
Less assets consolidated under ASU 2009-17 (9,212) (9,123)
Assets at fair value excluding noncontrolling interests and assets not risk-weighted under the Basel framework 430,168 821,249
Bank | Level 2 | Recurring basis | Private equity    
Assets    
Other investments 0 0
Bank | Level 2 | Recurring basis | Private equity - of which equity funds    
Assets    
Other investments 0 0
Bank | Level 2 | Recurring basis | Hedge funds    
Assets    
Other investments 98 219
Bank | Level 2 | Recurring basis | Hedge funds - of which debt funds    
Assets    
Other investments 68 181
Bank | Level 2 | Recurring basis | Other equity investments    
Assets    
Other investments 79 75
Bank | Level 2 | Recurring basis | Other equity investments - of which private    
Assets    
Other investments 70 70
Bank | Level 2 | Recurring basis | Life finance instruments    
Assets    
Other investments 2 0
Bank | Level 2 | Recurring basis | Debt securities    
Assets    
Securities received as collateral 493 781
Trading assets 48,050 58,003
Investment securities 1,142 309
Bank | Level 2 | Recurring basis | Debt securities | Debt securities issued by foreign governments    
Assets    
Trading assets 3,737 4,869
Investment securities 0 0
Bank | Level 2 | Recurring basis | Debt securities | Corporate debt securities    
Assets    
Securities received as collateral 261 745
Trading assets 15,765 22,507
Investment securities 281 309
Bank | Level 2 | Recurring basis | Debt securities | RMBS    
Assets    
Trading assets 22,302 22,150
Investment securities 602  
Bank | Level 2 | Recurring basis | Debt securities | CMBS    
Assets    
Trading assets 3,924 5,293
Investment securities 259  
Bank | Level 2 | Recurring basis | Debt securities | Collateralized debt obligations    
Assets    
Trading assets 2,317 3,185
Bank | Level 2 | Recurring basis | Equity securities    
Assets    
Securities received as collateral 66 44
Trading assets 5,222 6,395
Investment securities 84 103
Bank | Level 2 | Recurring basis | Derivative instruments    
Assets    
Trading assets 265,362 616,012
Bank | Level 2 | Recurring basis | Derivative instruments | Interest rate derivatives    
Assets    
Trading assets 167,269 467,002
Bank | Level 2 | Recurring basis | Derivative instruments | Foreign exchange derivatives    
Assets    
Trading assets 59,742 89,102
Bank | Level 2 | Recurring basis | Derivative instruments | Equity/Index-related products    
Assets    
Trading assets 20,053 26,904
Bank | Level 2 | Recurring basis | Derivative instruments | Credit derivatives    
Assets    
Trading assets 16,267 24,451
Bank | Level 2 | Recurring basis | Other    
Assets    
Trading assets 4,569 7,123
Bank | Level 3 | Recurring basis    
Assets    
Cash and Due from Banks 0 0
Interest-bearing deposits with banks 0  
Central bank funds sold, securities purchased under resale agreements and securities borrowing transactions 158 77
Securities received as collateral 0 0
Trading assets 15,148 17,180
Investment securities 148 3
Other investments 4,048 5,271
Loans 8,950 9,353
Loans - of which commercial and industrial 5,735 5,853
Loans - of which financial institutions 1,729 1,494
Other intangible assets (mortgage servicing rights), at fair value 112 70
Other assets 7,087 7,468
Other assets - of which loans held-for-sale 6,768 6,851
Total assets at fair value 35,651 39,422
Less other investments - equity at fair value attributable to noncontrolling interests (583) (821)
Less assets consolidated under ASU 2009-17 (3,558) (3,155)
Assets at fair value excluding noncontrolling interests and assets not risk-weighted under the Basel framework 31,510 35,446
Bank | Level 3 | Recurring basis | Private equity    
Assets    
Other investments 1,033 1,268
Bank | Level 3 | Recurring basis | Private equity - of which equity funds    
Assets    
Other investments 428 567
Bank | Level 3 | Recurring basis | Hedge funds    
Assets    
Other investments 197 314
Bank | Level 3 | Recurring basis | Hedge funds - of which debt funds    
Assets    
Other investments 192 302
Bank | Level 3 | Recurring basis | Other equity investments    
Assets    
Other investments 1,149 1,855
Bank | Level 3 | Recurring basis | Other equity investments - of which private    
Assets    
Other investments 1,149 1,855
Bank | Level 3 | Recurring basis | Life finance instruments    
Assets    
Other investments 1,669 1,834
Bank | Level 3 | Recurring basis | Debt securities    
Assets    
Securities received as collateral 0 0
Trading assets 4,564 4,465
Investment securities 148 0
Bank | Level 3 | Recurring basis | Debt securities | Debt securities issued by foreign governments    
Assets    
Trading assets 285 454
Investment securities 0 0
Bank | Level 3 | Recurring basis | Debt securities | Corporate debt securities    
Assets    
Securities received as collateral 0 0
Trading assets 1,746 1,435
Investment securities 0 0
Bank | Level 3 | Recurring basis | Debt securities | RMBS    
Assets    
Trading assets 814 612
Investment securities 148  
Bank | Level 3 | Recurring basis | Debt securities | CMBS    
Assets    
Trading assets 215 257
Investment securities 0  
Bank | Level 3 | Recurring basis | Debt securities | Collateralized debt obligations    
Assets    
Trading assets 1,298 1,421
Bank | Level 3 | Recurring basis | Equity securities    
Assets    
Securities received as collateral 0 0
Trading assets 1,487 1,566
Investment securities 0 3
Bank | Level 3 | Recurring basis | Derivative instruments    
Assets    
Trading assets 4,831 6,823
Bank | Level 3 | Recurring basis | Derivative instruments | Interest rate derivatives    
Assets    
Trading assets 791 1,803
Bank | Level 3 | Recurring basis | Derivative instruments | Foreign exchange derivatives    
Assets    
Trading assets 383 301
Bank | Level 3 | Recurring basis | Derivative instruments | Equity/Index-related products    
Assets    
Trading assets 936 1,063
Bank | Level 3 | Recurring basis | Derivative instruments | Credit derivatives    
Assets    
Trading assets 1,568 2,569
Bank | Level 3 | Recurring basis | Other    
Assets    
Trading assets SFr 4,266 SFr 4,326