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FI - Quantitative information about level 3 assets at fair value (Details 14) | Jun. 30, 2022 CHF (SFr) | Mar. 31, 2022 CHF (SFr) | Dec. 31, 2021 CHF (SFr)
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Assets |  |  |
Cash and Due from Banks | SFr 165,000,000 | SFr 148,000,000 | SFr 308,000,000
Central bank funds sold, securities purchased under resale agreements and securities borrowing transactions | 82,392,000,000 | 71,059,000,000 | 68,623,000,000
Securities received as collateral | 7,386,000,000 | 8,084,000,000 | 15,017,000,000
Trading assets | 101,095,000,000 | 106,971,000,000 | 111,141,000,000
Available-for-sale Securities, Debt Securities | 739,000,000 | 809,000,000 | 1,005,000,000
Other investments | 3,987,000,000 | 4,019,000,000 | 4,094,000,000
Loans | 9,099,000,000 | 9,545,000,000 | 10,243,000,000
Other intangible assets (mortgage servicing rights), at fair value | 290,000,000 | 256,000,000 | 224,000,000
Other assets | 8,616,000,000 | SFr 9,214,000,000 | 9,184,000,000
Recurring basis |  |  |
Assets |  |  |
Cash and Due from Banks | 165,000,000 |  | 308,000,000
Central bank funds sold, securities purchased under resale agreements and securities borrowing transactions | 82,392,000,000 |  | 68,623,000,000
Securities received as collateral | 7,386,000,000 |  | 15,017,000,000
Trading assets | 101,095,000,000 |  | 111,141,000,000
Available-for-sale Securities, Debt Securities | 739,000,000 |  | 1,005,000,000
Other investments | 3,987,000,000 |  | 4,094,000,000
Loans | 9,099,000,000 |  | 10,243,000,000
Loans - of which commercial and industrial | 3,634,000,000 |  | 2,984,000,000
Loans - of which financial institutions | 3,111,000,000 |  | 4,305,000,000
Other intangible assets (mortgage servicing rights), at fair value | 290,000,000 |  | 224,000,000
Other assets | 8,616,000,000 |  | 9,184,000,000
Other assets - of which loans held-for-sale | 7,117,000,000 |  | 7,380,000,000
Total assets at fair value | 213,769,000,000 |  | 219,839,000,000
Recurring basis | Other equity investments |  |  |
Assets |  |  |
Other investments | 3,217,000,000 |  | 3,237,000,000
Recurring basis | Life finance instruments |  |  |
Assets |  |  |
Other investments | 685,000,000 |  | 789,000,000
Recurring basis | Debt securities |  |  |
Assets |  |  |
Trading assets | 57,030,000,000 |  | 54,198,000,000
Recurring basis | Debt securities | Debt securities issued by foreign governments |  |  |
Assets |  |  |
Trading assets | 24,193,000,000 |  | 23,408,000,000
Recurring basis | Debt securities | Corporate debt securities |  |  |
Assets |  |  |
Trading assets | 10,573,000,000 |  | 9,590,000,000
Recurring basis | Debt securities | RMBS |  |  |
Assets |  |  |
Trading assets | 18,543,000,000 |  | 17,457,000,000
Recurring basis | Equity securities |  |  |
Assets |  |  |
Trading assets | 24,711,000,000 |  | 36,546,000,000
Recurring basis | Derivative instruments |  |  |
Assets |  |  |
Trading assets | 16,069,000,000 |  | 17,559,000,000
Recurring basis | Other |  |  |
Assets |  |  |
Trading assets | 3,285,000,000 |  | 2,838,000,000
Recurring basis | Level 3 |  |  |
Assets |  |  |
Cash and Due from Banks | 0 |  | 0
Central bank funds sold, securities purchased under resale agreements and securities borrowing transactions | 0 |  | 0
Securities received as collateral | 0 |  | 14,000,000
Trading assets | 4,400,000,000 |  | 4,503,000,000
Available-for-sale Securities, Debt Securities | 0 |  | 0
Other investments | 3,575,000,000 |  | 3,666,000,000
Loans | 1,189,000,000 |  | 1,534,000,000
Loans - of which commercial and industrial | 368,000,000 |  | 717,000,000
Loans - of which financial institutions | 364,000,000 |  | 465,000,000
Other intangible assets (mortgage servicing rights), at fair value | 255,000,000 |  | 167,000,000
Other assets | 722,000,000 |  | 694,000,000
Other assets - of which loans held-for-sale | 566,000,000 |  | 562,000,000
Total assets at fair value | 10,141,000,000 |  | 10,578,000,000
Recurring basis | Level 3 | Valuation Technique, Discounted Cash Flow [Member] |  |  |
Assets |  |  |
Loans - of which commercial and industrial | 199,000,000 |  | 474,000,000
Loans - of which financial institutions | 250,000,000 |  | 327,000,000
Other assets - of which loans held-for-sale | SFr 301,000,000 |  | SFr 281,000,000
Recurring basis | Level 3 | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Credit Spread [Member] | Minimum |  |  |
Assets |  |  |
Loans - of which commercial and industrial, measurement input | 451 |  | 184
Loans - of which financial institutions, measurement input | 314 |  | 0
Other assets - of which loans held-for-sale, measurement input | 355 |  | 0
Recurring basis | Level 3 | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Credit Spread [Member] | Maximum |  |  |
Assets |  |  |
Loans - of which commercial and industrial, measurement input | 8,199 |  | 3,325
Loans - of which financial institutions, measurement input | 8,086 |  | 3,212
Other assets - of which loans held-for-sale, measurement input | 1,032 |  | 563
Recurring basis | Level 3 | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Credit Spread [Member] | Weighted average |  |  |
Assets |  |  |
Loans - of which commercial and industrial, measurement input | 1,344 |  | 809
Loans - of which financial institutions, measurement input | 1,283 |  | 921
Other assets - of which loans held-for-sale, measurement input | 375 |  | 314
Recurring basis | Level 3 | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Recovery rate [Member] | Minimum |  |  |
Assets |  |  |
Other assets - of which loans held-for-sale, measurement input | 54 |  |
Recurring basis | Level 3 | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Recovery rate [Member] | Maximum |  |  |
Assets |  |  |
Other assets - of which loans held-for-sale, measurement input | 54 |  |
Recurring basis | Level 3 | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Recovery rate [Member] | Weighted average |  |  |
Assets |  |  |
Other assets - of which loans held-for-sale, measurement input | 8 |  |
Recurring basis | Level 3 | Price |  |  |
Assets |  |  |
Loans - of which commercial and industrial | SFr 165,000,000 |  | SFr 209,000,000
Loans - of which financial institutions | SFr 113,000,000 |  |
Recurring basis | Level 3 | Price | Measurement Input, Quoted Price [Member] | Minimum |  |  |
Assets |  |  |
Loans - of which commercial and industrial, measurement input | 10 |  | 0
Loans - of which financial institutions, measurement input | 13 |  |
Recurring basis | Level 3 | Price | Measurement Input, Quoted Price [Member] | Maximum |  |  |
Assets |  |  |
Loans - of which commercial and industrial, measurement input | 100 |  | 100
Loans - of which financial institutions, measurement input | 68 |  |
Recurring basis | Level 3 | Price | Measurement Input, Quoted Price [Member] | Weighted average |  |  |
Assets |  |  |
Loans - of which commercial and industrial, measurement input | 51 |  | 50
Loans - of which financial institutions, measurement input | 58 |  |
Recurring basis | Level 3 | Vendor price |  |  |
Assets |  |  |
Other assets - of which loans held-for-sale | SFr 20,000,000 |  | SFr 16,000,000
Recurring basis | Level 3 | Vendor price | Measurement Input, Price Volatility [Member] | Minimum |  |  |
Assets |  |  |
Other assets - of which loans held-for-sale, measurement input | 0 |  | 0
Recurring basis | Level 3 | Vendor price | Measurement Input, Price Volatility [Member] | Maximum |  |  |
Assets |  |  |
Other assets - of which loans held-for-sale, measurement input | 80 |  | 75
Recurring basis | Level 3 | Vendor price | Measurement Input, Price Volatility [Member] | Weighted average |  |  |
Assets |  |  |
Other assets - of which loans held-for-sale, measurement input | 57 |  | 54
Recurring basis | Level 3 | Market comparable |  |  |
Assets |  |  |
Loans - of which commercial and industrial |  |  | SFr 6,000,000
Loans - of which financial institutions |  |  | 158,000,000
Other assets - of which loans held-for-sale | SFr 234,000,000 |  | SFr 254,000,000
Recurring basis | Level 3 | Market comparable | Measurement Input, Price Volatility [Member] | Minimum |  |  |
Assets |  |  |
Loans - of which commercial and industrial, measurement input |  |  | 19
Loans - of which financial institutions, measurement input |  |  | 14
Other assets - of which loans held-for-sale, measurement input | 0 |  | 0
Recurring basis | Level 3 | Market comparable | Measurement Input, Price Volatility [Member] | Maximum |  |  |
Assets |  |  |
Loans - of which commercial and industrial, measurement input |  |  | 19
Loans - of which financial institutions, measurement input |  |  | 76
Other assets - of which loans held-for-sale, measurement input | 145 |  | 139
Recurring basis | Level 3 | Market comparable | Measurement Input, Price Volatility [Member] | Weighted average |  |  |
Assets |  |  |
Loans - of which commercial and industrial, measurement input |  |  | 19
Loans - of which financial institutions, measurement input |  |  | 31
Other assets - of which loans held-for-sale, measurement input | 70 |  | 67
Recurring basis | Level 3 | Other equity investments |  |  |
Assets |  |  |
Other investments | SFr 2,876,000,000 |  | SFr 2,863,000,000
Recurring basis | Level 3 | Other equity investments | Valuation Technique, Option Pricing Model [Member] |  |  |
Assets |  |  |
Other investments | 1,820,000,000 |  |
Recurring basis | Level 3 | Other equity investments | Valuation Technique, Option Pricing Model [Member] | Measurement Input, Price Volatility [Member] | Minimum |  |  |
Assets |  |  |
Other investments | 1 |  | 1
Recurring basis | Level 3 | Other equity investments | Valuation Technique, Option Pricing Model [Member] | Measurement Input, Price Volatility [Member] | Maximum |  |  |
Assets |  |  |
Other investments | 771 |  | 1,292
Recurring basis | Level 3 | Other equity investments | Valuation Technique, Option Pricing Model [Member] | Measurement Input, Price Volatility [Member] | Weighted average |  |  |
Assets |  |  |
Other investments | 26 |  | 54
Recurring basis | Level 3 | Other equity investments | NAV/adjusted NAV |  |  |
Assets |  |  |
Other investments | 941,000,000 |  | 929,000,000
Recurring basis | Level 3 | Other equity investments | NAV/adjusted NAV | Measurement Input, Price Volatility [Member] | Minimum |  |  |
Assets |  |  |
Other investments | 281 |  | 287
Recurring basis | Level 3 | Other equity investments | NAV/adjusted NAV | Measurement Input, Price Volatility [Member] | Maximum |  |  |
Assets |  |  |
Other investments | 281 |  | 287
Recurring basis | Level 3 | Other equity investments | NAV/adjusted NAV | Measurement Input, Price Volatility [Member] | Weighted average |  |  |
Assets |  |  |
Other investments | 281 |  | 287
Recurring basis | Level 3 | Other equity investments | Market comparable |  |  |
Assets |  |  |
Other investments | 36,000,000 |  | 1,919,000,000
Recurring basis | Level 3 | Other equity investments | Market comparable | Measurement Input, Price Volatility [Member] | Minimum |  |  |
Assets |  |  |
Other investments | 0 |  |
Recurring basis | Level 3 | Other equity investments | Market comparable | Measurement Input, Price Volatility [Member] | Maximum |  |  |
Assets |  |  |
Other investments | 85 |  |
Recurring basis | Level 3 | Other equity investments | Market comparable | Measurement Input, Price Volatility [Member] | Weighted average |  |  |
Assets |  |  |
Other investments | 19 |  |
Recurring basis | Level 3 | Life finance instruments |  |  |
Assets |  |  |
Other investments | 685,000,000 |  | 789,000,000
Recurring basis | Level 3 | Life finance instruments | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Market implied life expectancy [Member] | Minimum |  |  |
Assets |  |  |
Other investments | 2 |  | 2
Recurring basis | Level 3 | Life finance instruments | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Market implied life expectancy [Member] | Maximum |  |  |
Assets |  |  |
Other investments | 16 |  | 16
Recurring basis | Level 3 | Life finance instruments | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Market implied life expectancy [Member] | Weighted average |  |  |
Assets |  |  |
Other investments | 6 |  | 6
Recurring basis | Level 3 | Debt securities |  |  |
Assets |  |  |
Trading assets | 1,005,000,000 |  | 1,225,000,000
Recurring basis | Level 3 | Debt securities | Debt securities issued by foreign governments |  |  |
Assets |  |  |
Trading assets | 91,000,000 |  | 35,000,000
Recurring basis | Level 3 | Debt securities | Corporate debt securities |  |  |
Assets |  |  |
Trading assets | 299,000,000 |  | 478,000,000
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Option model |  |  |
Assets |  |  |
Trading assets |  |  | 55,000,000
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Valuation Technique, Discounted Cash Flow [Member] |  |  |
Assets |  |  |
Trading assets |  |  | SFr 124,000,000
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Valuation Technique, Discounted Cash Flow [Member] | Consolidation, Eliminations [Member] |  |  |
Assets |  |  |
Trading assets | SFr 164,000,000 |  |
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Credit Spread [Member] | Minimum |  |  |
Assets |  |  |
Trading assets, measurement input |  |  | 50
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Credit Spread [Member] | Maximum |  |  |
Assets |  |  |
Trading assets, measurement input |  |  | 1,290
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Credit Spread [Member] | Weighted average |  |  |
Assets |  |  |
Trading assets, measurement input |  |  | 701
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Credit Spread [Member] | Consolidation, Eliminations [Member] | Minimum |  |  |
Assets |  |  |
Trading assets, measurement input | 100 |  |
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Credit Spread [Member] | Consolidation, Eliminations [Member] | Maximum |  |  |
Assets |  |  |
Trading assets, measurement input | 2,048 |  |
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Credit Spread [Member] | Consolidation, Eliminations [Member] | Weighted average |  |  |
Assets |  |  |
Trading assets, measurement input | 633 |  |
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Price in percent [Member] | Minimum |  |  |
Assets |  |  |
Trading assets, measurement input | 0 |  | 0
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Price in percent [Member] | Maximum |  |  |
Assets |  |  |
Trading assets, measurement input | 102 |  | 100
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Price in percent [Member] | Weighted average |  |  |
Assets |  |  |
Trading assets, measurement input | 46 |  | 47
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Recovery rate [Member] | Minimum |  |  |
Assets |  |  |
Trading assets, measurement input | 73 |  | 39
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Recovery rate [Member] | Maximum |  |  |
Assets |  |  |
Trading assets, measurement input | 73 |  | 39
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Recovery rate [Member] | Weighted average |  |  |
Assets |  |  |
Trading assets, measurement input | 3 |  | 1
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Valuation Technique, Option Pricing Model [Member] | Measurement Input, Correlation [Member] | Minimum |  |  |
Assets |  |  |
Trading assets, measurement input |  |  | (50)
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Valuation Technique, Option Pricing Model [Member] | Measurement Input, Correlation [Member] | Maximum |  |  |
Assets |  |  |
Trading assets, measurement input |  |  | 100
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Valuation Technique, Option Pricing Model [Member] | Measurement Input, Correlation [Member] | Weighted average |  |  |
Assets |  |  |
Trading assets, measurement input |  |  | 68
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Valuation Technique, Option Pricing Model [Member] | Measurement Input, Fund gap risk [Member] | Minimum |  |  |
Assets |  |  |
Trading assets, measurement input |  |  | 0
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Valuation Technique, Option Pricing Model [Member] | Measurement Input, Fund gap risk [Member] | Maximum |  |  |
Assets |  |  |
Trading assets, measurement input |  |  | 3
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Valuation Technique, Option Pricing Model [Member] | Measurement Input, Fund gap risk [Member] | Weighted average |  |  |
Assets |  |  |
Trading assets, measurement input |  |  | 1
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Valuation Technique, Option Pricing Model [Member] | Measurement Input, Volatility [Member] | Minimum |  |  |
Assets |  |  |
Trading assets, measurement input |  |  | 0
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Valuation Technique, Option Pricing Model [Member] | Measurement Input, Volatility [Member] | Maximum |  |  |
Assets |  |  |
Trading assets, measurement input |  |  | 163
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Valuation Technique, Option Pricing Model [Member] | Measurement Input, Volatility [Member] | Weighted average |  |  |
Assets |  |  |
Trading assets, measurement input |  |  | 17
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Price |  |  |
Assets |  |  |
Trading assets | SFr 70,000,000 |  | SFr 69,000,000
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Price | Measurement Input, Price Volatility [Member] | Minimum |  |  |
Assets |  |  |
Trading assets, measurement input | 0 |  |
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Price | Measurement Input, Price Volatility [Member] | Maximum |  |  |
Assets |  |  |
Trading assets, measurement input | 11,250 |  |
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Price | Measurement Input, Price Volatility [Member] | Weighted average |  |  |
Assets |  |  |
Trading assets, measurement input | 3,534 |  |
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Price | Measurement Input, Price in percent [Member] | Minimum |  |  |
Assets |  |  |
Trading assets, measurement input | 30 |  |
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Price | Measurement Input, Price in percent [Member] | Maximum |  |  |
Assets |  |  |
Trading assets, measurement input | 100 |  |
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Price | Measurement Input, Price in percent [Member] | Weighted average |  |  |
Assets |  |  |
Trading assets, measurement input | 94 |  |
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Vendor price |  |  |
Assets |  |  |
Trading assets |  |  | SFr 145,000,000
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Vendor price | Measurement Input, Price Volatility [Member] | Minimum |  |  |
Assets |  |  |
Trading assets, measurement input |  |  | 0
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Vendor price | Measurement Input, Price Volatility [Member] | Maximum |  |  |
Assets |  |  |
Trading assets, measurement input |  |  | 123
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Vendor price | Measurement Input, Price Volatility [Member] | Weighted average |  |  |
Assets |  |  |
Trading assets, measurement input |  |  | 79
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Vendor price | Measurement Input, Price in percent [Member] | Minimum |  |  |
Assets |  |  |
Trading assets, measurement input |  |  | 35
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Vendor price | Measurement Input, Price in percent [Member] | Maximum |  |  |
Assets |  |  |
Trading assets, measurement input |  |  | 120
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Vendor price | Measurement Input, Price in percent [Member] | Weighted average |  |  |
Assets |  |  |
Trading assets, measurement input |  |  | 92
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Market comparable |  |  |
Assets |  |  |
Trading assets | SFr 62,000,000 |  | SFr 107,000,000
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Market comparable | Measurement Input, Price Volatility [Member] | Minimum |  |  |
Assets |  |  |
Trading assets, measurement input | 0 |  |
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Market comparable | Measurement Input, Price Volatility [Member] | Maximum |  |  |
Assets |  |  |
Trading assets, measurement input | 102 |  |
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Market comparable | Measurement Input, Price Volatility [Member] | Weighted average |  |  |
Assets |  |  |
Trading assets, measurement input | 41 |  |
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Market comparable | Measurement Input, Price in percent [Member] | Minimum |  |  |
Assets |  |  |
Trading assets, measurement input |  |  | 0
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Market comparable | Measurement Input, Price in percent [Member] | Maximum |  |  |
Assets |  |  |
Trading assets, measurement input |  |  | 110
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Market comparable | Measurement Input, Price in percent [Member] | Weighted average |  |  |
Assets |  |  |
Trading assets, measurement input |  |  | 63
Recurring basis | Level 3 | Debt securities | RMBS |  |  |
Assets |  |  |
Trading assets | SFr 410,000,000 |  | SFr 424,000,000
Recurring basis | Level 3 | Debt securities | RMBS | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Discount Rate [Member] | Minimum |  |  |
Assets |  |  |
Trading assets, measurement input | 4 |  | 1
Recurring basis | Level 3 | Debt securities | RMBS | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Discount Rate [Member] | Maximum |  |  |
Assets |  |  |
Trading assets, measurement input | 28 |  | 29
Recurring basis | Level 3 | Debt securities | RMBS | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Discount Rate [Member] | Weighted average |  |  |
Assets |  |  |
Trading assets, measurement input | 12 |  | 13
Recurring basis | Level 3 | Equity securities |  |  |
Assets |  |  |
Trading assets | SFr 275,000,000 |  | SFr 195,000,000
Recurring basis | Level 3 | Derivative instruments |  |  |
Assets |  |  |
Trading assets | 2,398,000,000 |  | 2,187,000,000
Recurring basis | Level 3 | Derivative instruments | Interest rate derivatives |  |  |
Assets |  |  |
Trading assets | 925,000,000 |  | 624,000,000
Recurring basis | Level 3 | Derivative instruments | Interest rate derivatives | Option model |  |  |
Assets |  |  |
Trading assets | 907,000,000 |  | 612,000,000
Recurring basis | Level 3 | Derivative instruments | Interest rate derivatives | Valuation Technique, Discounted Cash Flow [Member] |  |  |
Assets |  |  |
Trading assets | SFr 2,000,000 |  | SFr 6,000,000
Recurring basis | Level 3 | Derivative instruments | Interest rate derivatives | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Funding spread [Member] | Minimum |  |  |
Assets |  |  |
Trading assets, measurement input |  |  | 109
Recurring basis | Level 3 | Derivative instruments | Interest rate derivatives | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Funding spread [Member] | Maximum |  |  |
Assets |  |  |
Trading assets, measurement input |  |  | 166
Recurring basis | Level 3 | Derivative instruments | Interest rate derivatives | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Funding spread [Member] | Weighted average |  |  |
Assets |  |  |
Trading assets, measurement input |  |  | 127
Recurring basis | Level 3 | Derivative instruments | Interest rate derivatives | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Volatility [Member] | Minimum |  |  |
Assets |  |  |
Trading assets, measurement input | 93 |  | 0
Recurring basis | Level 3 | Derivative instruments | Interest rate derivatives | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Volatility [Member] | Maximum |  |  |
Assets |  |  |
Trading assets, measurement input | 100 |  | 100
Recurring basis | Level 3 | Derivative instruments | Interest rate derivatives | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Volatility [Member] | Weighted average |  |  |
Assets |  |  |
Trading assets, measurement input | 97 |  | 97
Recurring basis | Level 3 | Derivative instruments | Interest rate derivatives | Valuation Technique, Option Pricing Model [Member] | Measurement Input, Correlation [Member] | Minimum |  |  |
Assets |  |  |
Trading assets, measurement input | (11) |  | (4)
Recurring basis | Level 3 | Derivative instruments | Interest rate derivatives | Valuation Technique, Option Pricing Model [Member] | Measurement Input, Correlation [Member] | Maximum |  |  |
Assets |  |  |
Trading assets, measurement input | 100 |  | 100
Recurring basis | Level 3 | Derivative instruments | Interest rate derivatives | Valuation Technique, Option Pricing Model [Member] | Measurement Input, Correlation [Member] | Weighted average |  |  |
Assets |  |  |
Trading assets, measurement input | 35 |  | 9
Recurring basis | Level 3 | Derivative instruments | Interest rate derivatives | Valuation Technique, Option Pricing Model [Member] | Measurement Input, Mean reversion [Member] | Minimum |  |  |
Assets |  |  |
Trading assets, measurement input | 15 |  | (55)
Recurring basis | Level 3 | Derivative instruments | Interest rate derivatives | Valuation Technique, Option Pricing Model [Member] | Measurement Input, Mean reversion [Member] | Maximum |  |  |
Assets |  |  |
Trading assets, measurement input | 15 |  | (8)
Recurring basis | Level 3 | Derivative instruments | Interest rate derivatives | Valuation Technique, Option Pricing Model [Member] | Measurement Input, Mean reversion [Member] | Weighted average |  |  |
Assets |  |  |
Trading assets, measurement input | 0 |  | 0
Recurring basis | Level 3 | Derivative instruments | Interest rate derivatives | Valuation Technique, Option Pricing Model [Member] | Measurement Input, Prepayment Rate [Member] | Minimum |  |  |
Assets |  |  |
Trading assets, measurement input | 15 |  | 0
Recurring basis | Level 3 | Derivative instruments | Interest rate derivatives | Valuation Technique, Option Pricing Model [Member] | Measurement Input, Prepayment Rate [Member] | Maximum |  |  |
Assets |  |  |
Trading assets, measurement input | 21 |  | 21
Recurring basis | Level 3 | Derivative instruments | Interest rate derivatives | Valuation Technique, Option Pricing Model [Member] | Measurement Input, Prepayment Rate [Member] | Weighted average |  |  |
Assets |  |  |
Trading assets, measurement input | 18 |  | 17
Recurring basis | Level 3 | Derivative instruments | Interest rate derivatives | Valuation Technique, Option Pricing Model [Member] | Measurement Input, Volatility [Member] | Minimum |  |  |
Assets |  |  |
Trading assets, measurement input | (3) |  | (3)
Recurring basis | Level 3 | Derivative instruments | Interest rate derivatives | Valuation Technique, Option Pricing Model [Member] | Measurement Input, Volatility [Member] | Maximum |  |  |
Assets |  |  |
Trading assets, measurement input | 0 |  | 1
Recurring basis | Level 3 | Derivative instruments | Interest rate derivatives | Valuation Technique, Option Pricing Model [Member] | Measurement Input, Volatility [Member] | Weighted average |  |  |
Assets |  |  |
Trading assets, measurement input | 0 |  | 0
Recurring basis | Level 3 | Derivative instruments | Foreign exchange derivatives |  |  |
Assets |  |  |
Trading assets | SFr 88,000,000 |  | SFr 53,000,000
Recurring basis | Level 3 | Derivative instruments | Equity/Index-related products |  |  |
Assets |  |  |
Trading assets | 464,000,000 |  | 212,000,000
Recurring basis | Level 3 | Derivative instruments | Other derivatives |  |  |
Assets |  |  |
Trading assets | SFr 706,000,000 |  | SFr 1,034,000,000
Recurring basis | Level 3 | Derivative instruments | Other derivatives | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Market implied life expectancy [Member] | Minimum |  |  |
Assets |  |  |
Trading assets, measurement input | 2 |  | 2
Recurring basis | Level 3 | Derivative instruments | Other derivatives | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Market implied life expectancy [Member] | Maximum |  |  |
Assets |  |  |
Trading assets, measurement input | 14 |  | 14
Recurring basis | Level 3 | Derivative instruments | Other derivatives | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Market implied life expectancy [Member] | Weighted average |  |  |
Assets |  |  |
Trading assets, measurement input | 6 |  | 6
Recurring basis | Level 3 | Derivative instruments | Other derivatives | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Mortality Rate [Member] | Minimum |  |  |
Assets |  |  |
Trading assets, measurement input | 73 |  | 73
Recurring basis | Level 3 | Derivative instruments | Other derivatives | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Mortality Rate [Member] | Maximum |  |  |
Assets |  |  |
Trading assets, measurement input | 138 |  | 138
Recurring basis | Level 3 | Derivative instruments | Other derivatives | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Mortality Rate [Member] | Weighted average |  |  |
Assets |  |  |
Trading assets, measurement input | 99 |  | 99
Recurring basis | Level 3 | Other |  |  |
Assets |  |  |
Trading assets | SFr 722,000,000 |  | SFr 896,000,000
Recurring basis | Level 3 | Other | Option model |  |  |
Assets |  |  |
Trading assets | SFr 48,000,000 |  | SFr 93,000,000
Recurring basis | Level 3 | Other | Option model | Measurement Input, Mortality Rate [Member] | Minimum |  |  |
Assets |  |  |
Trading assets, measurement input | 0 |  | 0
Recurring basis | Level 3 | Other | Option model | Measurement Input, Mortality Rate [Member] | Maximum |  |  |
Assets |  |  |
Trading assets, measurement input | 70 |  | 70
Recurring basis | Level 3 | Other | Option model | Measurement Input, Mortality Rate [Member] | Weighted average |  |  |
Assets |  |  |
Trading assets, measurement input | 6 |  | 6
Recurring basis | Level 3 | Other | Valuation Technique, Discounted Cash Flow [Member] |  |  |
Assets |  |  |
Trading assets | SFr 478,000,000 |  | SFr 611,000,000
Recurring basis | Level 3 | Other | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Market implied life expectancy [Member] | Minimum |  |  |
Assets |  |  |
Trading assets, measurement input | 3 |  | 3
Recurring basis | Level 3 | Other | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Market implied life expectancy [Member] | Maximum |  |  |
Assets |  |  |
Trading assets, measurement input | 13 |  | 14
Recurring basis | Level 3 | Other | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Market implied life expectancy [Member] | Weighted average |  |  |
Assets |  |  |
Trading assets, measurement input | 7 |  | 7
Recurring basis | Level 3 | Other | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Tax Swap Rate [Member] | Minimum |  |  |
Assets |  |  |
Trading assets, measurement input | 30 |  | 30
Recurring basis | Level 3 | Other | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Tax Swap Rate [Member] | Maximum |  |  |
Assets |  |  |
Trading assets, measurement input | 30 |  | 30
Recurring basis | Level 3 | Other | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Tax Swap Rate [Member] | Weighted average |  |  |
Assets |  |  |
Trading assets, measurement input | 30 |  | 30
Recurring basis | Level 3 | Other | Market comparable |  |  |
Assets |  |  |
Trading assets | SFr 195,000,000 |  | SFr 189,000,000
Recurring basis | Level 3 | Other | Market comparable | Measurement Input, Price Volatility [Member] | Minimum |  |  |
Assets |  |  |
Trading assets, measurement input | 0 |  | 0
Recurring basis | Level 3 | Other | Market comparable | Measurement Input, Price Volatility [Member] | Maximum |  |  |
Assets |  |  |
Trading assets, measurement input | 113 |  | 130
Recurring basis | Level 3 | Other | Market comparable | Measurement Input, Price Volatility [Member] | Weighted average |  |  |
Assets |  |  |
Trading assets, measurement input | 48 |  | 34
Bank |  |  |
Assets |  |  |
Cash and Due from Banks | SFr 165,000,000 |  | SFr 308,000,000
Central bank funds sold, securities purchased under resale agreements and securities borrowing transactions | 82,392,000,000 |  | 68,623,000,000
Securities received as collateral | 7,386,000,000 |  | 15,017,000,000
Trading assets | 101,232,000,000 |  | 111,299,000,000
Available-for-sale Securities, Debt Securities | 737,000,000 |  | 1,003,000,000
Other investments | 3,985,000,000 |  | 4,093,000,000
Loans | 9,099,000,000 |  | 10,243,000,000
Other intangible assets (mortgage servicing rights), at fair value | 290,000,000 |  | 224,000,000
Other assets | 8,616,000,000 |  | 9,184,000,000
Bank | Recurring basis |  |  |
Assets |  |  |
Cash and Due from Banks | 165,000,000 |  | 308,000,000
Central bank funds sold, securities purchased under resale agreements and securities borrowing transactions | 82,392,000,000 |  | 68,623,000,000
Securities received as collateral | 7,386,000,000 |  | 15,017,000,000
Trading assets | 101,232,000,000 |  | 111,299,000,000
Available-for-sale Securities, Debt Securities | 737,000,000 |  | 1,003,000,000
Other investments | 3,985,000,000 |  | 4,093,000,000
Loans | 9,099,000,000 |  | 10,243,000,000
Loans - of which commercial and industrial | 3,634,000,000 |  | 2,984,000,000
Loans - of which financial institutions | 3,111,000,000 |  | 4,305,000,000
Other intangible assets (mortgage servicing rights), at fair value | 290,000,000 |  | 224,000,000
Other assets | 8,616,000,000 |  | 9,184,000,000
Other assets - of which loans held-for-sale | 7,117,000,000 |  | 7,380,000,000
Total assets at fair value | 213,902,000,000 |  | 219,994,000,000
Bank | Recurring basis | Other equity investments |  |  |
Assets |  |  |
Other investments | 3,216,000,000 |  | 3,237,000,000
Bank | Recurring basis | Life finance instruments |  |  |
Assets |  |  |
Other investments | 685,000,000 |  | 789,000,000
Bank | Recurring basis | Debt securities |  |  |
Assets |  |  |
Trading assets | 57,130,000,000 |  | 54,297,000,000
Bank | Recurring basis | Debt securities | Debt securities issued by foreign governments |  |  |
Assets |  |  |
Trading assets | 24,193,000,000 |  | 23,408,000,000
Bank | Recurring basis | Debt securities | Corporate debt securities |  |  |
Assets |  |  |
Trading assets | 10,672,000,000 |  | 9,689,000,000
Bank | Recurring basis | Debt securities | RMBS |  |  |
Assets |  |  |
Trading assets | 18,543,000,000 |  | 17,457,000,000
Bank | Recurring basis | Equity securities |  |  |
Assets |  |  |
Trading assets | 24,748,000,000 |  | 36,606,000,000
Bank | Recurring basis | Derivative instruments |  |  |
Assets |  |  |
Trading assets | 16,069,000,000 |  | 17,559,000,000
Bank | Recurring basis | Other |  |  |
Assets |  |  |
Trading assets | 3,285,000,000 |  | 2,837,000,000
Bank | Recurring basis | Level 3 |  |  |
Assets |  |  |
Cash and Due from Banks | 0 |  | 0
Central bank funds sold, securities purchased under resale agreements and securities borrowing transactions | 0 |  | 0
Securities received as collateral | 0 |  | 14,000,000
Trading assets | 4,400,000,000 |  | 4,503,000,000
Available-for-sale Securities, Debt Securities | 0 |  | 0
Other investments | 3,574,000,000 |  | 3,666,000,000
Loans | 1,189,000,000 |  | 1,534,000,000
Loans - of which commercial and industrial | 368,000,000 |  | 717,000,000
Loans - of which financial institutions | 364,000,000 |  | 465,000,000
Other intangible assets (mortgage servicing rights), at fair value | 255,000,000 |  | 167,000,000
Other assets | 722,000,000 |  | 694,000,000
Other assets - of which loans held-for-sale | 566,000,000 |  | 562,000,000
Total assets at fair value | 10,140,000,000 |  | 10,578,000,000
Bank | Recurring basis | Level 3 | Other equity investments |  |  |
Assets |  |  |
Other investments | 2,875,000,000 |  | 2,863,000,000
Bank | Recurring basis | Level 3 | Life finance instruments |  |  |
Assets |  |  |
Other investments | 685,000,000 |  | 789,000,000
Bank | Recurring basis | Level 3 | Debt securities |  |  |
Assets |  |  |
Trading assets | 1,005,000,000 |  | 1,225,000,000
Bank | Recurring basis | Level 3 | Debt securities | Debt securities issued by foreign governments |  |  |
Assets |  |  |
Trading assets | 91,000,000 |  | 35,000,000
Bank | Recurring basis | Level 3 | Debt securities | Corporate debt securities |  |  |
Assets |  |  |
Trading assets | 299,000,000 |  | 478,000,000
Bank | Recurring basis | Level 3 | Debt securities | RMBS |  |  |
Assets |  |  |
Trading assets | 410,000,000 |  | 424,000,000
Bank | Recurring basis | Level 3 | Equity securities |  |  |
Assets |  |  |
Trading assets | 275,000,000 |  | 195,000,000
Bank | Recurring basis | Level 3 | Derivative instruments |  |  |
Assets |  |  |
Trading assets | 2,398,000,000 |  | 2,187,000,000
Bank | Recurring basis | Level 3 | Derivative instruments | Interest rate derivatives |  |  |
Assets |  |  |
Trading assets | 925,000,000 |  | 624,000,000
Bank | Recurring basis | Level 3 | Derivative instruments | Foreign exchange derivatives |  |  |
Assets |  |  |
Trading assets | 88,000,000 |  | 53,000,000
Bank | Recurring basis | Level 3 | Derivative instruments | Equity/Index-related products |  |  |
Assets |  |  |
Trading assets | 464,000,000 |  | 212,000,000
Bank | Recurring basis | Level 3 | Derivative instruments | Other derivatives |  |  |
Assets |  |  |
Trading assets | 706,000,000 |  | 1,034,000,000
Bank | Recurring basis | Level 3 | Other |  |  |
Assets |  |  |
Trading assets | SFr 722,000,000 |  | SFr 896,000,000

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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References No definition available. + Details
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