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FI - Quantitative information about level 3 assets at fair value (Details 14) | Jun. 30, 2023 CHF (SFr) | Dec. 31, 2022 CHF (SFr)
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Assets |  |
Cash and Due from Banks | SFr 127,000,000 | SFr 198,000,000
Interest-bearing deposits with banks | 16,000,000 | 14,000,000
Central bank funds sold, securities purchased under resale agreements and securities borrowing transactions | 31,683,000,000 | 40,793,000,000
Securities received as collateral | 2,220,000,000 | 2,978,000,000
Trading assets | 37,238,000,000 | 65,955,000,000
Available-for-sale Securities, Debt Securities | 854,000,000 | 796,000,000
Other investments | 2,405,000,000 | 3,730,000,000
Loans | 4,556,000,000 | 7,358,000,000
Other intangible assets (mortgage servicing rights), at fair value | 337,000,000 | 403,000,000
Other assets | 5,447,000,000 | 8,947,000,000
Recurring basis |  |
Assets |  |
Cash and Due from Banks | 127,000,000 | 198,000,000
Interest-bearing deposits with banks | 16,000,000 | 14,000,000
Central bank funds sold, securities purchased under resale agreements and securities borrowing transactions | 31,683,000,000 | 40,793,000,000
Securities received as collateral | 2,220,000,000 | 2,978,000,000
Trading assets | 37,238,000,000 | 65,955,000,000
Available-for-sale Securities, Debt Securities | 854,000,000 | 796,000,000
Other investments | 2,405,000,000 | 3,730,000,000
Loans | 4,556,000,000 | 7,358,000,000
Loans - of which commercial and industrial | 2,147,000,000 | 2,681,000,000
Loans - of which financial institutions | 1,097,000,000 | 2,989,000,000
Loans - of which government and public institutions | 1,129,000,000 | 1,366,000,000
Other intangible assets (mortgage servicing rights), at fair value | 337,000,000 | 403,000,000
Other assets | 5,447,000,000 | 8,947,000,000
Other assets - of which loans held-for-sale | 4,473,000,000 | 7,813,000,000
Total assets at fair value | 84,883,000,000 | 131,172,000,000
Recurring basis | Other equity investments |  |
Assets |  |
Other investments | 1,779,000,000 | 3,070,000,000
Recurring basis | Life finance instruments |  |
Assets |  |
Other investments | 510,000,000 | 587,000,000
Recurring basis | Debt securities |  |
Assets |  |
Trading assets | 19,452,000,000 | 37,614,000,000
Recurring basis | Debt securities | Debt securities issued by foreign governments |  |
Assets |  |
Trading assets | 13,196,000,000 | 15,800,000,000
Recurring basis | Debt securities | Corporate debt securities |  |
Assets |  |
Trading assets | 4,064,000,000 | 8,160,000,000
Recurring basis | Debt securities | RMBS |  |
Assets |  |
Trading assets | 1,156,000,000 | 10,866,000,000
Recurring basis | Debt securities | Collateralized debt obligations |  |
Assets |  |
Trading assets | 753,000,000 | 1,354,000,000
Recurring basis | Equity securities |  |
Assets |  |
Trading assets | 7,435,000,000 | 13,182,000,000
Recurring basis | Derivative instruments |  |
Assets |  |
Trading assets | 7,552,000,000 | 11,143,000,000
Recurring basis | Other |  |
Assets |  |
Trading assets | 2,799,000,000 | 4,016,000,000
Recurring basis | Level 3 |  |
Assets |  |
Cash and Due from Banks | 0 | 0
Interest-bearing deposits with banks | 0 | 0
Central bank funds sold, securities purchased under resale agreements and securities borrowing transactions | 0 | 0
Securities received as collateral | 0 | 0
Trading assets | 2,712,000,000 | 3,828,000,000
Available-for-sale Securities, Debt Securities | 0 | 0
Other investments | 1,942,000,000 | 3,313,000,000
Loans | 815,000,000 | 1,040,000,000
Loans - of which commercial and industrial | 219,000,000 | 300,000,000
Loans - of which financial institutions | 287,000,000 | 398,000,000
Loans - of which government and public institutions | 219,000,000 | 254,000,000
Other intangible assets (mortgage servicing rights), at fair value | 337,000,000 | 359,000,000
Other assets | 907,000,000 | 773,000,000
Other assets - of which loans held-for-sale | 799,000,000 | 648,000,000
Total assets at fair value | 6,713,000,000 | 9,313,000,000
Recurring basis | Level 3 | Valuation Technique, Discounted Cash Flow [Member] |  |
Assets |  |
Loans - of which commercial and industrial | 55,000,000 | 124,000,000
Loans - of which financial institutions | 201,000,000 | 282,000,000
Loans - of which government and public institutions | 125,000,000 | 158,000,000
Other assets - of which loans held-for-sale | SFr 281,000,000 | SFr 258,000,000
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 | 252 | 280
Loans - of which financial institutions, measurement input | 236 | 242
Loans - of which government and public institutions, measurement input | 231 | 534
Other assets - of which loans held-for-sale, measurement input | 244 | 299
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 | 3,263 | 2,596
Loans - of which financial institutions, measurement input | 544 | 1,278
Loans - of which government and public institutions, measurement input | 650 | 1,339
Other assets - of which loans held-for-sale, measurement input | 3,263 | 594
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 | 432 | 756
Loans - of which financial institutions, measurement input | 314 | 497
Loans - of which government and public institutions, measurement input | 357 | 680
Other assets - of which loans held-for-sale, measurement input | 527 | 368
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 | 65 | 55
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 | 65 | 55
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 | 65 | 55
Recurring basis | Level 3 | Price |  |
Assets |  |
Loans - of which commercial and industrial | SFr 146,000,000 | SFr 153,000,000
Loans - of which financial institutions | 86,000,000 | 115,000,000
Loans - of which government and public institutions | 94,000,000 | 96,000,000
Other assets - of which loans held-for-sale | SFr 5,000,000 | SFr 14,000,000
Recurring basis | Level 3 | Price | Measurement Input, Price in percent [Member] | Minimum |  |
Assets |  |
Loans - of which commercial and industrial, measurement input | 4 | 6
Loans - of which financial institutions, measurement input | 23 | 22
Loans - of which government and public institutions, measurement input | 36 | 35
Other assets - of which loans held-for-sale, measurement input | 0 | 0
Recurring basis | Level 3 | Price | Measurement Input, Price in percent [Member] | Maximum |  |
Assets |  |
Loans - of which commercial and industrial, measurement input | 100 | 100
Loans - of which financial institutions, measurement input | 63 | 72
Loans - of which government and public institutions, measurement input | 53 | 42
Other assets - of which loans held-for-sale, measurement input | 53 | 79
Recurring basis | Level 3 | Price | Measurement Input, Price in percent [Member] | Weighted average |  |
Assets |  |
Loans - of which commercial and industrial, measurement input | 38 | 53
Loans - of which financial institutions, measurement input | 56 | 66
Loans - of which government and public institutions, measurement input | 37 | 36
Other assets - of which loans held-for-sale, measurement input | 34 | 59
Recurring basis | Level 3 | Market comparable |  |
Assets |  |
Loans - of which commercial and industrial | SFr 17,000,000 | SFr 22,000,000
Other assets - of which loans held-for-sale | SFr 494,000,000 | SFr 363,000,000
Recurring basis | Level 3 | Market comparable | Measurement Input, Price in percent [Member] | Minimum |  |
Assets |  |
Loans - of which commercial and industrial, measurement input | 75 | 74
Other assets - of which loans held-for-sale, measurement input | 0 | 0
Recurring basis | Level 3 | Market comparable | Measurement Input, Price in percent [Member] | Maximum |  |
Assets |  |
Loans - of which commercial and industrial, measurement input | 75 | 74
Other assets - of which loans held-for-sale, measurement input | 200 | 145
Recurring basis | Level 3 | Market comparable | Measurement Input, Price in percent [Member] | Weighted average |  |
Assets |  |
Loans - of which commercial and industrial, measurement input | 75 | 74
Other assets - of which loans held-for-sale, measurement input | 77 | 78
Recurring basis | Level 3 | Other equity investments |  |
Assets |  |
Other investments | SFr 1,428,000,000 | SFr 2,725,000,000
Recurring basis | Level 3 | Other equity investments | Option model |  |
Assets |  |
Other investments | 1,000,000 |
Recurring basis | Level 3 | Other equity investments | Option model | Measurement Input, Price Volatility [Member] | Minimum |  |
Assets |  |
Other investments | 98 |
Recurring basis | Level 3 | Other equity investments | Option model | Measurement Input, Price Volatility [Member] | Maximum |  |
Assets |  |
Other investments | 693 |
Recurring basis | Level 3 | Other equity investments | Option model | Measurement Input, Price Volatility [Member] | Weighted average |  |
Assets |  |
Other investments | 396 |
Recurring basis | Level 3 | Other equity investments | Valuation Technique, Discounted Cash Flow [Member] |  |
Assets |  |
Other investments |  | 46,000,000
Recurring basis | Level 3 | Other equity investments | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Discount Rate [Member] | Minimum |  |
Assets |  |
Other investments |  | 8
Recurring basis | Level 3 | Other equity investments | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Discount Rate [Member] | Maximum |  |
Assets |  |
Other investments |  | 8
Recurring basis | Level 3 | Other equity investments | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Discount Rate [Member] | Weighted average |  |
Assets |  |
Other investments |  | 8
Recurring basis | Level 3 | Other equity investments | Price |  |
Assets |  |
Other investments | 147,000,000 | 174,000,000
Recurring basis | Level 3 | Other equity investments | Price | Measurement Input, Price Volatility [Member] | Minimum |  |
Assets |  |
Other investments | 0 | 1
Recurring basis | Level 3 | Other equity investments | Price | Measurement Input, Price Volatility [Member] | Maximum |  |
Assets |  |
Other investments | 524 | 15
Recurring basis | Level 3 | Other equity investments | Price | Measurement Input, Price Volatility [Member] | Weighted average |  |
Assets |  |
Other investments | 101 | 13
Recurring basis | Level 3 | Other equity investments | Market comparable |  |
Assets |  |
Other investments | 1,250,000,000 | 2,443,000,000
Recurring basis | Level 3 | Other equity investments | Market comparable | Measurement Input, Price Volatility [Member] | Minimum |  |
Assets |  |
Other investments | 0 | 0
Recurring basis | Level 3 | Other equity investments | Market comparable | Measurement Input, Price Volatility [Member] | Maximum |  |
Assets |  |
Other investments | 100 | 275
Recurring basis | Level 3 | Other equity investments | Market comparable | Measurement Input, Price Volatility [Member] | Weighted average |  |
Assets |  |
Other investments | 8 | 109
Recurring basis | Level 3 | Life finance instruments |  |
Assets |  |
Other investments | 510,000,000 | 587,000,000
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 | 14 | 15
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 | 802,000,000 | 1,211,000,000
Recurring basis | Level 3 | Debt securities | Debt securities issued by foreign governments |  |
Assets |  |
Trading assets | 48,000,000 | 86,000,000
Recurring basis | Level 3 | Debt securities | Corporate debt securities |  |
Assets |  |
Trading assets | 504,000,000 | 413,000,000
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Valuation Technique, Discounted Cash Flow [Member] |  |
Assets |  |
Trading assets | SFr 97,000,000 | SFr 118,000,000
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 | 35 | 10
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 | 750 | 7,589
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 | 407 | 620
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 | 101 | 101
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 | 52 | 53
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Price |  |
Assets |  |
Trading assets | SFr 349,000,000 | SFr 216,000,000
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Price | Measurement Input, Price Volatility [Member] | Minimum |  |
Assets |  |
Trading assets, measurement input | 1 | 0
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Price | Measurement Input, Price Volatility [Member] | Maximum |  |
Assets |  |
Trading assets, measurement input | 11,600 | 11,640
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Price | Measurement Input, Price Volatility [Member] | Weighted average |  |
Assets |  |
Trading assets, measurement input | 6,179 | 2,203
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Price | Measurement Input, Price in percent [Member] | Minimum |  |
Assets |  |
Trading assets, measurement input | 30 | 30
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Price | Measurement Input, Price in percent [Member] | Maximum |  |
Assets |  |
Trading assets, measurement input | 126 | 126
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Price | Measurement Input, Price in percent [Member] | Weighted average |  |
Assets |  |
Trading assets, measurement input | 97 | 87
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Market comparable |  |
Assets |  |
Trading assets | SFr 58,000,000 | SFr 75,000,000
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Market comparable | Measurement Input, Price Volatility [Member] | Minimum |  |
Assets |  |
Trading assets, measurement input | 100 | 1
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Market comparable | Measurement Input, Price Volatility [Member] | Maximum |  |
Assets |  |
Trading assets, measurement input | 100 | 218
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Market comparable | Measurement Input, Price Volatility [Member] | Weighted average |  |
Assets |  |
Trading assets, measurement input | 100 | 29
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Market comparable | Measurement Input, Price in percent [Member] | Minimum |  |
Assets |  |
Trading assets, measurement input | 0 | 0
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Market comparable | Measurement Input, Price in percent [Member] | Maximum |  |
Assets |  |
Trading assets, measurement input | 97 | 101
Recurring basis | Level 3 | Debt securities | Corporate debt securities | Market comparable | Measurement Input, Price in percent [Member] | Weighted average |  |
Assets |  |
Trading assets, measurement input | 49 | 51
Recurring basis | Level 3 | Debt securities | RMBS |  |
Assets |  |
Trading assets | SFr 87,000,000 | SFr 444,000,000
Recurring basis | Level 3 | Debt securities | RMBS | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Discount Rate [Member] | Minimum |  |
Assets |  |
Trading assets, measurement input |  | 3
Recurring basis | Level 3 | Debt securities | RMBS | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Discount Rate [Member] | Maximum |  |
Assets |  |
Trading assets, measurement input |  | 33
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
Recurring basis | Level 3 | Debt securities | Collateralized debt obligations |  |
Assets |  |
Trading assets | 159,000,000 | SFr 216,000,000
Recurring basis | Level 3 | Debt securities | Collateralized debt obligations | Valuation Technique, Discounted Cash Flow [Member] |  |
Assets |  |
Trading assets | SFr 85,000,000 |
Recurring basis | Level 3 | Debt securities | Collateralized debt obligations | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Discount Rate [Member] | Minimum |  |
Assets |  |
Trading assets, measurement input | 8 |
Recurring basis | Level 3 | Debt securities | Collateralized debt obligations | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Discount Rate [Member] | Maximum |  |
Assets |  |
Trading assets, measurement input | 20 |
Recurring basis | Level 3 | Debt securities | Collateralized debt obligations | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, Discount Rate [Member] | Weighted average |  |
Assets |  |
Trading assets, measurement input | 15 |
Recurring basis | Level 3 | Debt securities | Collateralized debt obligations | Market comparable |  |
Assets |  |
Trading assets | SFr 43,000,000 |
Recurring basis | Level 3 | Debt securities | Collateralized debt obligations | Market comparable | Measurement Input, Price in percent [Member] | Minimum |  |
Assets |  |
Trading assets, measurement input | 26 |
Recurring basis | Level 3 | Debt securities | Collateralized debt obligations | Market comparable | Measurement Input, Price in percent [Member] | Maximum |  |
Assets |  |
Trading assets, measurement input | 100 |
Recurring basis | Level 3 | Debt securities | Collateralized debt obligations | Market comparable | Measurement Input, Price in percent [Member] | Weighted average |  |
Assets |  |
Trading assets, measurement input | 81 |
Recurring basis | Level 3 | Equity securities |  |
Assets |  |
Trading assets | SFr 153,000,000 | 222,000,000
Recurring basis | Level 3 | Derivative instruments |  |
Assets |  |
Trading assets | 1,195,000,000 | 1,661,000,000
Recurring basis | Level 3 | Derivative instruments | Interest rate derivatives |  |
Assets |  |
Trading assets | 47,000,000 | 671,000,000
Recurring basis | Level 3 | Derivative instruments | Interest rate derivatives | Option model |  |
Assets |  |
Trading assets |  | SFr 662,000,000
Recurring basis | Level 3 | Derivative instruments | Interest rate derivatives | Option model | Measurement Input, Contingent probability [Member] | Minimum |  |
Assets |  |
Trading assets, measurement input |  | 95
Recurring basis | Level 3 | Derivative instruments | Interest rate derivatives | Option model | Measurement Input, Contingent probability [Member] | Maximum |  |
Assets |  |
Trading assets, measurement input |  | 95
Recurring basis | Level 3 | Derivative instruments | Interest rate derivatives | Option model | Measurement Input, Contingent probability [Member] | Weighted average |  |
Assets |  |
Trading assets, measurement input |  | 95
Recurring basis | Level 3 | Derivative instruments | Interest rate derivatives | Option model | Measurement Input, Mean reversion [Member] | Minimum |  |
Assets |  |
Trading assets, measurement input |  | 25
Recurring basis | Level 3 | Derivative instruments | Interest rate derivatives | Option model | Measurement Input, Mean reversion [Member] | Maximum |  |
Assets |  |
Trading assets, measurement input |  | 25
Recurring basis | Level 3 | Derivative instruments | Interest rate derivatives | Option model | Measurement Input, Mean reversion [Member] | Weighted average |  |
Assets |  |
Trading assets, measurement input |  | 25
Recurring basis | Level 3 | Derivative instruments | Interest rate derivatives | Option model | Measurement Input, Prepayment Rate [Member] | Minimum |  |
Assets |  |
Trading assets, measurement input |  | 14
Recurring basis | Level 3 | Derivative instruments | Interest rate derivatives | Option model | Measurement Input, Prepayment Rate [Member] | Maximum |  |
Assets |  |
Trading assets, measurement input |  | 19
Recurring basis | Level 3 | Derivative instruments | Interest rate derivatives | Option model | Measurement Input, Prepayment Rate [Member] | Weighted average |  |
Assets |  |
Trading assets, measurement input |  | 17
Recurring basis | Level 3 | Derivative instruments | Interest rate derivatives | Option model | Measurement Input, Volatility [Member] | Minimum |  |
Assets |  |
Trading assets, measurement input |  | (3)
Recurring basis | Level 3 | Derivative instruments | Interest rate derivatives | Option model | Measurement Input, Volatility [Member] | Maximum |  |
Assets |  |
Trading assets, measurement input |  | 1
Recurring basis | Level 3 | Derivative instruments | Interest rate derivatives | Option model | Measurement Input, Volatility [Member] | Weighted average |  |
Assets |  |
Trading assets, measurement input |  | (1)
Recurring basis | Level 3 | Derivative instruments | Interest rate derivatives | Valuation Technique, Discounted Cash Flow [Member] |  |
Assets |  |
Trading assets |  | SFr 1,000,000
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 |  | 95
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 |  | 110
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 |  | 103
Recurring basis | Level 3 | Derivative instruments | Foreign exchange derivatives |  |
Assets |  |
Trading assets | 25,000,000 | SFr 17,000,000
Recurring basis | Level 3 | Derivative instruments | Equity/Index-related products |  |
Assets |  |
Trading assets | 488,000,000 | 295,000,000
Recurring basis | Level 3 | Derivative instruments | Equity/Index-related products | Option model |  |
Assets |  |
Trading assets | SFr 373,000,000 |
Recurring basis | Level 3 | Derivative instruments | Equity/Index-related products | Option model | Measurement Input, Buyback probability [Member] | Minimum |  |
Assets |  |
Trading assets, measurement input | 50 |
Recurring basis | Level 3 | Derivative instruments | Equity/Index-related products | Option model | Measurement Input, Buyback probability [Member] | Maximum |  |
Assets |  |
Trading assets, measurement input | 100 |
Recurring basis | Level 3 | Derivative instruments | Equity/Index-related products | Option model | Measurement Input, Buyback probability [Member] | Weighted average |  |
Assets |  |
Trading assets, measurement input | 69 |
Recurring basis | Level 3 | Derivative instruments | Equity/Index-related products | Option model | Measurement Input, Correlation [Member] | Minimum |  |
Assets |  |
Trading assets, measurement input | 0 |
Recurring basis | Level 3 | Derivative instruments | Equity/Index-related products | Option model | Measurement Input, Correlation [Member] | Maximum |  |
Assets |  |
Trading assets, measurement input | 100 |
Recurring basis | Level 3 | Derivative instruments | Equity/Index-related products | Option model | Measurement Input, Correlation [Member] | Weighted average |  |
Assets |  |
Trading assets, measurement input | 78 |
Recurring basis | Level 3 | Derivative instruments | Equity/Index-related products | Option model | Measurement Input, Fund gap risk [Member] | Minimum |  |
Assets |  |
Trading assets, measurement input | 1 |
Recurring basis | Level 3 | Derivative instruments | Equity/Index-related products | Option model | Measurement Input, Fund gap risk [Member] | Maximum |  |
Assets |  |
Trading assets, measurement input | 1 |
Recurring basis | Level 3 | Derivative instruments | Equity/Index-related products | Option model | Measurement Input, Fund gap risk [Member] | Weighted average |  |
Assets |  |
Trading assets, measurement input | 1 |
Recurring basis | Level 3 | Derivative instruments | Equity/Index-related products | Option model | Measurement Input, Volatility [Member] | Minimum |  |
Assets |  |
Trading assets, measurement input | 5 |
Recurring basis | Level 3 | Derivative instruments | Equity/Index-related products | Option model | Measurement Input, Volatility [Member] | Maximum |  |
Assets |  |
Trading assets, measurement input | 124 |
Recurring basis | Level 3 | Derivative instruments | Equity/Index-related products | Option model | Measurement Input, Volatility [Member] | Weighted average |  |
Assets |  |
Trading assets, measurement input | 37 |
Recurring basis | Level 3 | Derivative instruments | Equity/Index-related products | Price |  |
Assets |  |
Trading assets | SFr 94,000,000 |
Recurring basis | Level 3 | Derivative instruments | Equity/Index-related products | Price | Measurement Input, Price Volatility [Member] | Minimum |  |
Assets |  |
Trading assets, measurement input | 0 |
Recurring basis | Level 3 | Derivative instruments | Equity/Index-related products | Price | Measurement Input, Price Volatility [Member] | Maximum |  |
Assets |  |
Trading assets, measurement input | 125 |
Recurring basis | Level 3 | Derivative instruments | Equity/Index-related products | Price | Measurement Input, Price Volatility [Member] | Weighted average |  |
Assets |  |
Trading assets, measurement input | 19 |
Recurring basis | Level 3 | Derivative instruments | Equity/Index-related products | Price | Measurement Input, Price in percent [Member] | Minimum |  |
Assets |  |
Trading assets, measurement input | 95 |
Recurring basis | Level 3 | Derivative instruments | Equity/Index-related products | Price | Measurement Input, Price in percent [Member] | Maximum |  |
Assets |  |
Trading assets, measurement input | 95 |
Recurring basis | Level 3 | Derivative instruments | Equity/Index-related products | Price | Measurement Input, Price in percent [Member] | Weighted average |  |
Assets |  |
Trading assets, measurement input | 95 |
Recurring basis | Level 3 | Derivative instruments | Credit derivatives |  |
Assets |  |
Trading assets | SFr 140,000,000 | 130,000,000
Recurring basis | Level 3 | Derivative instruments | Other derivatives |  |
Assets |  |
Trading assets | SFr 495,000,000 | SFr 548,000,000
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 | 13 | 13
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, UK Mortality Rate [Member] | Minimum |  |
Assets |  |
Trading assets, measurement input | 74 | 74
Recurring basis | Level 3 | Derivative instruments | Other derivatives | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, UK Mortality Rate [Member] | Maximum |  |
Assets |  |
Trading assets, measurement input | 139 | 139
Recurring basis | Level 3 | Derivative instruments | Other derivatives | Valuation Technique, Discounted Cash Flow [Member] | Measurement Input, UK Mortality Rate [Member] | Weighted average |  |
Assets |  |
Trading assets, measurement input | 99 | 99
Recurring basis | Level 3 | Other |  |
Assets |  |
Trading assets | SFr 562,000,000 | SFr 734,000,000
Recurring basis | Level 3 | Other | Option model |  |
Assets |  |
Trading assets | SFr 20,000,000 | SFr 25,000,000
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 436,000,000 | SFr 458,000,000
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 | 12 | 13
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 | 6 | 6
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 104,000,000 | SFr 251,000,000
Recurring basis | Level 3 | Other | Market comparable | Measurement Input, Price in percent [Member] | Minimum |  |
Assets |  |
Trading assets, measurement input | 0 | 0
Recurring basis | Level 3 | Other | Market comparable | Measurement Input, Price in percent [Member] | Maximum |  |
Assets |  |
Trading assets, measurement input | 104 | 109
Recurring basis | Level 3 | Other | Market comparable | Measurement Input, Price in percent [Member] | Weighted average |  |
Assets |  |
Trading assets, measurement input | 12 | 27

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