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Derivatives and hedging activities - Credit protection sold/purchased (Details 4) - CHF (SFr) SFr in Billions | 6 Months Ended
--- | ---
Jun. 30, 2023 | Dec. 31, 2022
Credit protection sold/purchased |  |
Credit protection sold | SFr (124.2) | SFr (160.3)
Credit protection purchased | 115.6 | 148.5
Net credit protection (sold)/purchased | (8.6) | (11.8)
Other protection purchased | 16.8 | 33.9
Fair value of credit protection sold | (0.3) | (0.5)
Total return swaps |  |
Credit protection sold/purchased |  |
Credit protection sold | (3.2) | (5.9)
Maturity less than 1 year |  |
Credit protection sold/purchased |  |
Credit protection sold | (15.9) | (16.5)
Maturity between 1 to 5 years |  |
Credit protection sold/purchased |  |
Credit protection sold | (99.9) | (133.3)
Maturity greater than 5 years |  |
Credit protection sold/purchased |  |
Credit protection sold | (8.4) | (10.5)
Government debt securities |  |
Credit protection sold/purchased |  |
Credit protection sold | (11.8) | (12.8)
Credit protection purchased | 10.3 | 11.3
Net credit protection (sold)/purchased | (1.5) | (1.5)
Other protection purchased | 3.0 | 4.4
Fair value of credit protection sold | (0.1) | (0.1)
Non-sovereigns |  |
Credit protection sold/purchased |  |
Credit protection sold | (112.4) | (147.5)
Credit protection purchased | 105.3 | 137.2
Net credit protection (sold)/purchased | (7.1) | (10.3)
Other protection purchased | 13.8 | 29.5
Fair value of credit protection sold | (0.2) | (0.4)
Investment grade |  |
Credit protection sold/purchased |  |
Credit protection sold | (91.7) | (107.1)
Credit protection purchased | 86.1 | 99.4
Net credit protection (sold)/purchased | (5.6) | (7.7)
Other protection purchased | 9.9 | 19.5
Fair value of credit protection sold | 0.3 | 0.3
Non-investment grade |  |
Credit protection sold/purchased |  |
Credit protection sold | (32.5) | (53.2)
Credit protection purchased | 29.5 | 49.1
Net credit protection (sold)/purchased | (3.0) | (4.1)
Other protection purchased | 6.9 | 14.4
Fair value of credit protection sold | (0.6) | (0.8)
Single-name instruments |  |
Credit protection sold/purchased |  |
Credit protection sold | (52.2) | (75.1)
Credit protection purchased | 46.8 | 69.3
Net credit protection (sold)/purchased | (5.4) | (5.8)
Other protection purchased | 10.1 | 15.5
Fair value of credit protection sold | 0.0 | 0.0
Single-name instruments | Maturity less than 1 year |  |
Credit protection sold/purchased |  |
Credit protection sold | (10.3) | (10.0)
Single-name instruments | Maturity between 1 to 5 years |  |
Credit protection sold/purchased |  |
Credit protection sold | (39.4) | (61.8)
Single-name instruments | Maturity greater than 5 years |  |
Credit protection sold/purchased |  |
Credit protection sold | (2.5) | (3.3)
Single-name instruments | Government debt securities |  |
Credit protection sold/purchased |  |
Credit protection sold | (11.8) | (12.8)
Credit protection purchased | 10.3 | 11.3
Net credit protection (sold)/purchased | (1.5) | (1.5)
Other protection purchased | 3.0 | 4.4
Fair value of credit protection sold | (0.1) | (0.1)
Single-name instruments | Non-sovereigns |  |
Credit protection sold/purchased |  |
Credit protection sold | (40.4) | (62.3)
Credit protection purchased | 36.5 | 58.0
Net credit protection (sold)/purchased | (3.9) | (4.3)
Other protection purchased | 7.1 | 11.1
Fair value of credit protection sold | 0.1 | 0.1
Single-name instruments | Investment grade |  |
Credit protection sold/purchased |  |
Credit protection sold | (37.7) | (52.8)
Credit protection purchased | 34.2 | 48.6
Net credit protection (sold)/purchased | (3.5) | (4.2)
Other protection purchased | 6.7 | 10.6
Fair value of credit protection sold | 0.1 | 0.2
Single-name instruments | Non-investment grade |  |
Credit protection sold/purchased |  |
Credit protection sold | (14.5) | (22.3)
Credit protection purchased | 12.6 | 20.7
Net credit protection (sold)/purchased | (1.9) | (1.6)
Other protection purchased | 3.4 | 4.9
Fair value of credit protection sold | (0.1) | (0.2)
Multi-name instruments |  |
Credit protection sold/purchased |  |
Credit protection sold | (72.0) | (85.2)
Credit protection purchased | 68.8 | 79.2
Net credit protection (sold)/purchased | (3.2) | (6.0)
Other protection purchased | 6.7 | 18.4
Fair value of credit protection sold | (0.3) | (0.5)
Multi-name instruments | Maturity less than 1 year |  |
Credit protection sold/purchased |  |
Credit protection sold | (5.6) | (6.5)
Multi-name instruments | Maturity between 1 to 5 years |  |
Credit protection sold/purchased |  |
Credit protection sold | (60.5) | (71.5)
Multi-name instruments | Maturity greater than 5 years |  |
Credit protection sold/purchased |  |
Credit protection sold | (5.9) | (7.2)
Multi-name instruments | Non-sovereigns |  |
Credit protection sold/purchased |  |
Credit protection sold | (72.0) | (85.2)
Credit protection purchased | 68.8 | 79.2
Net credit protection (sold)/purchased | (3.2) | (6.0)
Other protection purchased | 6.7 | 18.4
Fair value of credit protection sold | (0.3) | (0.5)
Multi-name instruments | Investment grade |  |
Credit protection sold/purchased |  |
Credit protection sold | (54.0) | (54.3)
Credit protection purchased | 51.9 | 50.8
Net credit protection (sold)/purchased | (2.1) | (3.5)
Other protection purchased | 3.2 | 8.9
Fair value of credit protection sold | 0.2 | 0.1
Multi-name instruments | Non-investment grade |  |
Credit protection sold/purchased |  |
Credit protection sold | (18.0) | (30.9)
Credit protection purchased | 16.9 | 28.4
Net credit protection (sold)/purchased | (1.1) | (2.5)
Other protection purchased | 3.5 | 9.5
Fair value of credit protection sold | SFr (0.5) | SFr (0.6)

X
- Definition The net of credit protection sold and credit protection purchased with identical underlyings. + References No definition available. + Details
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- Definition The amount of credit protection purchased with similar, but not identical underlyings. + References No definition available. + Details
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- Definition Maximum potential amount of future undiscounted payments that could be required under the credit derivative, before reduction for potential recoveries under recourse or collateralization provisions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4K -Subparagraph (b)(1) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5708775-113959 + Details
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- Definition Amount of purchased credit protection expected to cover future payments under the credit risk derivative. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4K -Subparagraph (f) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5708775-113959 + Details
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- Definition Fair value of credit risk derivative asset after deduction of credit risk derivative liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4K -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5708775-113959 + Details
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