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Investment securities (Tables) | 6 Months Ended
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Jun. 30, 2022
Investment securities |
end of |  | 2Q22 |  | 1Q22 |  | 4Q21 |
Investment securities (CHF million)
Debt securities available-for-sale |  | 739 |  | 809 |  | 1,005 |
Total investment securities |  | 739 |  | 809 |  | 1,005 |
Investment securities by type | Investment securities by type
|  | 2Q22 |  | 4Q21 |
end of |  | Amortized cost |  | Gross unrealized gains |  | Gross unrealized losses |  | Fair value |  | Amortized cost |  | Gross unrealized gains |  | Gross unrealized losses |  | Fair value |
Investment securities by type (CHF million)
Swiss federal, cantonal or local government entities |  | 2 |  | 0 |  | 0 |  | 2 |  | 2 |  | 0 |  | 0 |  | 2 |
Corporate debt securities |  | 849 |  | 0 |  | 112 |  | 737 |  | 1,011 |  | 0 |  | 8 |  | 1,003 |
Debt securities available-for-sale |  | 851 |  | 0 |  | 112 |  | 739 |  | 1,013 |  | 0 |  | 8 |  | 1,005 |
Gross unrealized losses on investment securities and the related fair value | Gross unrealized losses on debt securities and related fair value
|  | Less than 12 months |  | 12 months or more |  | Total |
end of |  | Fair value |  | Gross unrealized losses |  | Fair value |  | Gross unrealized losses |  | Fair value |  | Gross unrealized losses |
2Q22 (CHF million)
Corporate debt securities |  | 625 |  | 100 |  | 89 |  | 12 |  | 714 |  | 112 |
Debt securities available-for-sale |  | 625 |  | 100 |  | 89 |  | 12 |  | 714 |  | 112 |
4Q21 (CHF million)
Corporate debt securities |  | 683 |  | 8 |  | 0 |  | 0 |  | 683 |  | 8 |
Debt securities available-for-sale |  | 683 |  | 8 |  | 0 |  | 0 |  | 683 |  | 8 |
Proceeds from sales, realized gains and realized losses from available-for-sale securities | Proceeds from sales, realized gains and realized losses from debt securities available-for-sale
in |  | 6M22 |  | 6M21 |
Sales of debt securities available-for-sale (CHF million)
Proceeds from sales |  | 45 |  | 0 |
Realized losses |  | (6) |  | 0 |
Amortized cost, fair value and average yield of debt securities | Amortized cost, fair value and average yield of debt securities
end of |  | Amortized cost |  | Fair value |  | Average yield (in %) |
2Q22 (CHF million, except where indicated)
Due within 1 year |  | 25 |  | 25 |  | 0.67 |
Due from 1 to 5 years |  | 90 |  | 83 |  | (0.02) |
Due from 5 to 10 years |  | 736 |  | 631 |  | 0.05 |
Debt securities available-for-sale |  | 851 |  | 739 |  | 0.06 |
Bank |
Investment securities |
end of |  | 6M22 |  | 2021 |
Investment securities (CHF million)
Debt securities available-for-sale |  | 737 |  | 1,003 |
Total investment securities |  | 737 |  | 1,003 |
Investment securities by type | Investment securities by type
|  | 6M22 |  | 2021 |
end of |  | Amortized cost |  | Gross unrealized gains |  | Gross unrealized losses |  | Fair value |  | Amortized cost |  | Gross unrealized gains |  | Gross unrealized losses |  | Fair value |
Investment securities by type (CHF million)
Corporate debt securities |  | 849 |  | 0 |  | 112 |  | 737 |  | 1,011 |  | 0 |  | 8 |  | 1,003 |
Debt securities available-for-sale |  | 849 |  | 0 |  | 112 |  | 737 |  | 1,011 |  | 0 |  | 8 |  | 1,003 |
Gross unrealized losses on investment securities and the related fair value | Gross unrealized losses on debt securities and related fair value
|  | Less than 12 months |  | 12 months or more |  | Total |
end of |  | Fair value |  | Gross unrealized losses |  | Fair value |  | Gross unrealized losses |  | Fair value |  | Gross unrealized losses |
6M22 (CHF million)
Corporate debt securities |  | 625 |  | 100 |  | 89 |  | 12 |  | 714 |  | 112 |
Debt securities available-for-sale |  | 625 |  | 100 |  | 89 |  | 12 |  | 714 |  | 112 |
2021 (CHF million)
Corporate debt securities |  | 683 |  | 8 |  | 0 |  | 0 |  | 683 |  | 8 |
Debt securities available-for-sale |  | 683 |  | 8 |  | 0 |  | 0 |  | 683 |  | 8 |
Proceeds from sales, realized gains and realized losses from debt securities available-for-sale
in |  | 6M22 |  | 6M21 |
Sales of debt securities available-for-sale (CHF million)
Proceeds from sales |  | 45 |  | 0 |
Realized losses |  | (6) |  | 0 |
Amortized cost, fair value and average yield of debt securities | Amortized cost, fair value and average yield of debt securities
end of 6M22 |  | Amortized cost |  | Fair value |  | Average yield (in %) |
Due within 1 year |  | 23 |  | 23 |  | 0.43 |
Due from 1 to 5 years |  | 90 |  | 83 |  | (0.02) |
Due from 5 to 10 years |  | 736 |  | 631 |  | 0.05 |
Debt securities available-for-sale |  | 849 |  | 737 |  | 0.05 |

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- Definition Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments. + References No definition available. + Details
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- Definition Tabular disclosure of the proceeds from sales of available-for-sale securities and the gross realized gains and gross realized losses that have been included in earnings as a result of those sales. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27357-111563 + Details
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- Definition For all investments in an unrealized loss position, including those for which other-than-temporary impairments have not been recognized in earnings (including investments for which a portion of an other-than-temporary impairment has been recognized in other comprehensive income), a tabular disclosure of the aggregate related fair value of investments with unrealized losses and the aggregate amount of unrealized losses (that is, the amount by which amortized cost basis exceeds fair value). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27290-111563 + Details
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