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Derivatives and hedging activities - Fair value - balance sheet related (Details) - CHF (SFr) SFr in Billions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Fair value of derivative instruments
Notional amount	SFr 14,514.1	SFr 14,820.8
Positive replacement value (PRV)	88.2	113.7
Negative replacement value (NRV)	SFr 90.9	112.4
Cash flow hedges
Maximum Length of Time Hedged in Cash Flow Hedge	12 months
Not designated for hedge accounting
Fair value of derivative instruments
Notional amount	SFr 14,360.7	14,668.3
Positive replacement value (PRV)	88.0	113.2
Negative replacement value (NRV)	88.9	112.1
Not designated for hedge accounting | Interest rate derivatives
Fair value of derivative instruments
Notional amount	12,041.7	11,541.1
Positive replacement value (PRV)	33.3	49.3
Negative replacement value (NRV)	32.0	44.8
Not designated for hedge accounting | Interest rate derivatives | Forwards and forward rate agreements
Fair value of derivative instruments
Notional amount	2,088.2	1,736.0
Positive replacement value (PRV)	1.7	0.9
Negative replacement value (NRV)	1.7	0.9
Not designated for hedge accounting | Interest rate derivatives | Swaps
Fair value of derivative instruments
Notional amount	9,128.3	8,810.0
Positive replacement value (PRV)	23.4	36.8
Negative replacement value (NRV)	21.7	33.0
Not designated for hedge accounting | Interest rate derivatives | Options bought and sold (OTC)
Fair value of derivative instruments
Notional amount	644.4	779.0
Positive replacement value (PRV)	8.2	11.5
Negative replacement value (NRV)	8.6	10.9
Not designated for hedge accounting | Interest rate derivatives | Futures
Fair value of derivative instruments
Notional amount	144.9	144.5
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Not designated for hedge accounting | Interest rate derivatives | Options bought and sold (exchange traded)
Fair value of derivative instruments
Notional amount	35.9	71.6
Positive replacement value (PRV)	0.0	0.1
Negative replacement value (NRV)	0.0	0.0
Not designated for hedge accounting | Foreign exchange derivatives
Fair value of derivative instruments
Notional amount	1,210.7	1,645.5
Positive replacement value (PRV)	25.5	21.8
Negative replacement value (NRV)	26.2	23.7
Not designated for hedge accounting | Foreign exchange derivatives | Forwards
Fair value of derivative instruments
Notional amount	701.4	1,052.9
Positive replacement value (PRV)	8.7	7.6
Negative replacement value (NRV)	10.0	8.2
Not designated for hedge accounting | Foreign exchange derivatives | Swaps
Fair value of derivative instruments
Notional amount	334.9	345.3
Positive replacement value (PRV)	14.3	11.3
Negative replacement value (NRV)	13.5	12.4
Not designated for hedge accounting | Foreign exchange derivatives | Options bought and sold (OTC)
Fair value of derivative instruments
Notional amount	167.5	235.4
Positive replacement value (PRV)	2.5	2.9
Negative replacement value (NRV)	2.7	3.1
Not designated for hedge accounting | Foreign exchange derivatives | Futures
Fair value of derivative instruments
Notional amount	4.1	10.3
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Not designated for hedge accounting | Foreign exchange derivatives | Options bought and sold (exchange traded)
Fair value of derivative instruments
Notional amount	2.8	1.6
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Not designated for hedge accounting | Credit derivatives
Fair value of derivative instruments
Notional amount	352.0	506.8
Positive replacement value (PRV)	3.2	5.0
Negative replacement value (NRV)	3.4	6.3
Not designated for hedge accounting | Equity/index-related derivatives
Fair value of derivative instruments
Notional amount	715.8	921.6
Positive replacement value (PRV)	25.0	35.5
Negative replacement value (NRV)	26.7	36.6
Not designated for hedge accounting | Equity/index-related derivatives | Forwards
Fair value of derivative instruments
Notional amount	0.3	0.9
Positive replacement value (PRV)	0.0	0.1
Negative replacement value (NRV)	0.0	0.0
Not designated for hedge accounting | Equity/index-related derivatives | Swaps
Fair value of derivative instruments
Notional amount	22.8	94.7
Positive replacement value (PRV)	0.9	1.4
Negative replacement value (NRV)	0.7	2.6
Not designated for hedge accounting | Equity/index-related derivatives | Options bought and sold (OTC)
Fair value of derivative instruments
Notional amount	181.4	243.9
Positive replacement value (PRV)	5.2	11.1
Negative replacement value (NRV)	7.5	12.5
Not designated for hedge accounting | Equity/index-related derivatives | Futures
Fair value of derivative instruments
Notional amount	42.0	46.3
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Not designated for hedge accounting | Equity/index-related derivatives | Options bought and sold (exchange traded)
Fair value of derivative instruments
Notional amount	469.3	535.8
Positive replacement value (PRV)	18.9	22.9
Negative replacement value (NRV)	18.5	21.5
Not designated for hedge accounting | Other products
Fair value of derivative instruments
Notional amount	40.5	53.3
Positive replacement value (PRV)	1.0	1.6
Negative replacement value (NRV)	0.6	0.7
Not designated for hedge accounting | Other products | Forwards
Fair value of derivative instruments
Notional amount	6.9	9.9
Positive replacement value (PRV)	0.1	0.2
Negative replacement value (NRV)	0.1	0.1
Not designated for hedge accounting | Other products | Swaps
Fair value of derivative instruments
Notional amount	9.5	12.0
Positive replacement value (PRV)	0.7	1.1
Negative replacement value (NRV)	0.4	0.4
Not designated for hedge accounting | Other products | Options bought and sold (OTC)
Fair value of derivative instruments
Notional amount	8.8	11.1
Positive replacement value (PRV)	0.1	0.2
Negative replacement value (NRV)	0.1	0.1
Not designated for hedge accounting | Other products | Futures
Fair value of derivative instruments
Notional amount	12.6	11.1
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Not designated for hedge accounting | Other products | Options bought and sold (exchange traded)
Fair value of derivative instruments
Notional amount	2.7	9.2
Positive replacement value (PRV)	0.1	0.1
Negative replacement value (NRV)	0.0	0.1
Designated for hedge accounting
Fair value of derivative instruments
Notional amount	153.4	152.5
Positive replacement value (PRV)	0.2	0.5
Negative replacement value (NRV)	2.0	0.3
Designated for hedge accounting | Interest rate derivatives
Fair value of derivative instruments
Notional amount	135.7	131.4
Positive replacement value (PRV)	0.1	0.4
Negative replacement value (NRV)	1.8	0.2
Designated for hedge accounting | Interest rate derivatives | Forwards and forward rate agreements
Fair value of derivative instruments
Notional amount	0.0	0.0
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Designated for hedge accounting | Interest rate derivatives | Swaps
Fair value of derivative instruments
Notional amount	135.7	131.4
Positive replacement value (PRV)	0.1	0.4
Negative replacement value (NRV)	1.8	0.2
Designated for hedge accounting | Interest rate derivatives | Options bought and sold (OTC)
Fair value of derivative instruments
Notional amount	0.0	0.0
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Designated for hedge accounting | Interest rate derivatives | Futures
Fair value of derivative instruments
Notional amount	0.0	0.0
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Designated for hedge accounting | Interest rate derivatives | Options bought and sold (exchange traded)
Fair value of derivative instruments
Notional amount	0.0	0.0
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Designated for hedge accounting | Foreign exchange derivatives
Fair value of derivative instruments
Notional amount	17.7	21.1
Positive replacement value (PRV)	0.1	0.1
Negative replacement value (NRV)	0.2	0.1
Designated for hedge accounting | Foreign exchange derivatives | Forwards
Fair value of derivative instruments
Notional amount	17.7	21.1
Positive replacement value (PRV)	0.1	0.1
Negative replacement value (NRV)	0.2	0.1
Designated for hedge accounting | Foreign exchange derivatives | Swaps
Fair value of derivative instruments
Notional amount	0.0	0.0
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Designated for hedge accounting | Foreign exchange derivatives | Options bought and sold (OTC)
Fair value of derivative instruments
Notional amount	0.0	0.0
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Designated for hedge accounting | Foreign exchange derivatives | Futures
Fair value of derivative instruments
Notional amount	0.0	0.0
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Designated for hedge accounting | Foreign exchange derivatives | Options bought and sold (exchange traded)
Fair value of derivative instruments
Notional amount	0.0	0.0
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Designated for hedge accounting | Credit derivatives
Fair value of derivative instruments
Notional amount	0.0	0.0
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Designated for hedge accounting | Equity/index-related derivatives
Fair value of derivative instruments
Notional amount	0.0	0.0
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Designated for hedge accounting | Equity/index-related derivatives | Forwards
Fair value of derivative instruments
Notional amount	0.0	0.0
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Designated for hedge accounting | Equity/index-related derivatives | Swaps
Fair value of derivative instruments
Notional amount	0.0	0.0
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Designated for hedge accounting | Equity/index-related derivatives | Options bought and sold (OTC)
Fair value of derivative instruments
Notional amount	0.0	0.0
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Designated for hedge accounting | Equity/index-related derivatives | Futures
Fair value of derivative instruments
Notional amount	0.0	0.0
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Designated for hedge accounting | Equity/index-related derivatives | Options bought and sold (exchange traded)
Fair value of derivative instruments
Notional amount	0.0	0.0
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Designated for hedge accounting | Other products
Fair value of derivative instruments
Notional amount	0.0	0.0
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Designated for hedge accounting | Other products | Forwards
Fair value of derivative instruments
Notional amount	0.0	0.0
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Designated for hedge accounting | Other products | Swaps
Fair value of derivative instruments
Notional amount	0.0	0.0
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Designated for hedge accounting | Other products | Options bought and sold (OTC)
Fair value of derivative instruments
Notional amount	0.0	0.0
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Designated for hedge accounting | Other products | Futures
Fair value of derivative instruments
Notional amount	0.0	0.0
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Designated for hedge accounting | Other products | Options bought and sold (exchange traded)
Fair value of derivative instruments
Notional amount	0.0	0.0
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Bank
Fair value of derivative instruments
Notional amount	14,539.1	14,825.7
Positive replacement value (PRV)	89.1	113.8
Negative replacement value (NRV)	SFr 90.9	112.4
Cash flow hedges
Maximum Length of Time Hedged in Cash Flow Hedge	12 months
Bank | Not designated for hedge accounting
Fair value of derivative instruments
Notional amount	SFr 14,391.3	14,677.1
Positive replacement value (PRV)	88.9	113.3
Negative replacement value (NRV)	88.9	112.1
Bank | Not designated for hedge accounting | Interest rate derivatives
Fair value of derivative instruments
Notional amount	12,053.7	11,549.9
Positive replacement value (PRV)	34.2	49.4
Negative replacement value (NRV)	32.0	44.8
Bank | Not designated for hedge accounting | Interest rate derivatives | Forwards and forward rate agreements
Fair value of derivative instruments
Notional amount	2,088.2	1,736.0
Positive replacement value (PRV)	1.7	0.9
Negative replacement value (NRV)	1.7	0.9
Bank | Not designated for hedge accounting | Interest rate derivatives | Swaps
Fair value of derivative instruments
Notional amount	9,140.3	8,818.8
Positive replacement value (PRV)	24.3	36.9
Negative replacement value (NRV)	21.7	33.0
Bank | Not designated for hedge accounting | Interest rate derivatives | Options bought and sold (OTC)
Fair value of derivative instruments
Notional amount	644.4	779.0
Positive replacement value (PRV)	8.2	11.5
Negative replacement value (NRV)	8.6	10.9
Bank | Not designated for hedge accounting | Interest rate derivatives | Futures
Fair value of derivative instruments
Notional amount	144.9	144.5
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Bank | Not designated for hedge accounting | Interest rate derivatives | Options bought and sold (exchange traded)
Fair value of derivative instruments
Notional amount	35.9	71.6
Positive replacement value (PRV)	0.0	0.1
Negative replacement value (NRV)	0.0	0.0
Bank | Not designated for hedge accounting | Foreign exchange derivatives
Fair value of derivative instruments
Notional amount	1,229.3	1,645.5
Positive replacement value (PRV)	25.5	21.8
Negative replacement value (NRV)	26.2	23.7
Bank | Not designated for hedge accounting | Foreign exchange derivatives | Forwards
Fair value of derivative instruments
Notional amount	701.4	1,052.9
Positive replacement value (PRV)	8.7	7.6
Negative replacement value (NRV)	10.0	8.2
Bank | Not designated for hedge accounting | Foreign exchange derivatives | Swaps
Fair value of derivative instruments
Notional amount	353.5	345.3
Positive replacement value (PRV)	14.3	11.3
Negative replacement value (NRV)	13.5	12.4
Bank | Not designated for hedge accounting | Foreign exchange derivatives | Options bought and sold (OTC)
Fair value of derivative instruments
Notional amount	167.5	235.4
Positive replacement value (PRV)	2.5	2.9
Negative replacement value (NRV)	2.7	3.1
Bank | Not designated for hedge accounting | Foreign exchange derivatives | Futures
Fair value of derivative instruments
Notional amount	4.1	10.3
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Bank | Not designated for hedge accounting | Foreign exchange derivatives | Options bought and sold (exchange traded)
Fair value of derivative instruments
Notional amount	2.8	1.6
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Bank | Not designated for hedge accounting | Credit derivatives
Fair value of derivative instruments
Notional amount	352.0	506.8
Positive replacement value (PRV)	3.2	5.0
Negative replacement value (NRV)	3.4	6.3
Bank | Not designated for hedge accounting | Equity/index-related derivatives
Fair value of derivative instruments
Notional amount	715.8	921.6
Positive replacement value (PRV)	25.0	35.5
Negative replacement value (NRV)	26.7	36.6
Bank | Not designated for hedge accounting | Equity/index-related derivatives | Forwards
Fair value of derivative instruments
Notional amount	0.3	0.9
Positive replacement value (PRV)	0.0	0.1
Negative replacement value (NRV)	0.0	0.0
Bank | Not designated for hedge accounting | Equity/index-related derivatives | Swaps
Fair value of derivative instruments
Notional amount	22.8	94.7
Positive replacement value (PRV)	0.9	1.4
Negative replacement value (NRV)	0.7	2.6
Bank | Not designated for hedge accounting | Equity/index-related derivatives | Options bought and sold (OTC)
Fair value of derivative instruments
Notional amount	181.4	243.9
Positive replacement value (PRV)	5.2	11.1
Negative replacement value (NRV)	7.5	12.5
Bank | Not designated for hedge accounting | Equity/index-related derivatives | Futures
Fair value of derivative instruments
Notional amount	42.0	46.3
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Bank | Not designated for hedge accounting | Equity/index-related derivatives | Options bought and sold (exchange traded)
Fair value of derivative instruments
Notional amount	469.3	535.8
Positive replacement value (PRV)	18.9	22.9
Negative replacement value (NRV)	18.5	21.5
Bank | Not designated for hedge accounting | Other products
Fair value of derivative instruments
Notional amount	40.5	53.3
Positive replacement value (PRV)	1.0	1.6
Negative replacement value (NRV)	0.6	0.7
Bank | Not designated for hedge accounting | Other products | Forwards
Fair value of derivative instruments
Notional amount	6.9	9.9
Positive replacement value (PRV)	0.1	0.2
Negative replacement value (NRV)	0.1	0.1
Bank | Not designated for hedge accounting | Other products | Swaps
Fair value of derivative instruments
Notional amount	9.5	12.0
Positive replacement value (PRV)	0.7	1.1
Negative replacement value (NRV)	0.4	0.4
Bank | Not designated for hedge accounting | Other products | Options bought and sold (OTC)
Fair value of derivative instruments
Notional amount	8.8	11.1
Positive replacement value (PRV)	0.1	0.2
Negative replacement value (NRV)	0.1	0.1
Bank | Not designated for hedge accounting | Other products | Futures
Fair value of derivative instruments
Notional amount	12.6	11.1
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Bank | Not designated for hedge accounting | Other products | Options bought and sold (exchange traded)
Fair value of derivative instruments
Notional amount	2.7	9.2
Positive replacement value (PRV)	0.1	0.1
Negative replacement value (NRV)	0.0	0.1
Bank | Designated for hedge accounting
Fair value of derivative instruments
Notional amount	147.8	148.6
Positive replacement value (PRV)	0.2	0.5
Negative replacement value (NRV)	2.0	0.3
Bank | Designated for hedge accounting | Interest rate derivatives
Fair value of derivative instruments
Notional amount	130.1	127.5
Positive replacement value (PRV)	0.1	0.4
Negative replacement value (NRV)	1.8	0.2
Bank | Designated for hedge accounting | Interest rate derivatives | Forwards and forward rate agreements
Fair value of derivative instruments
Notional amount	0.0	0.0
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Bank | Designated for hedge accounting | Interest rate derivatives | Swaps
Fair value of derivative instruments
Notional amount	130.1	127.5
Positive replacement value (PRV)	0.1	0.4
Negative replacement value (NRV)	1.8	0.2
Bank | Designated for hedge accounting | Interest rate derivatives | Options bought and sold (OTC)
Fair value of derivative instruments
Notional amount	0.0	0.0
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Bank | Designated for hedge accounting | Interest rate derivatives | Futures
Fair value of derivative instruments
Notional amount	0.0	0.0
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Bank | Designated for hedge accounting | Interest rate derivatives | Options bought and sold (exchange traded)
Fair value of derivative instruments
Notional amount	0.0	0.0
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Bank | Designated for hedge accounting | Foreign exchange derivatives
Fair value of derivative instruments
Notional amount	17.7	21.1
Positive replacement value (PRV)	0.1	0.1
Negative replacement value (NRV)	0.2	0.1
Bank | Designated for hedge accounting | Foreign exchange derivatives | Forwards
Fair value of derivative instruments
Notional amount	17.7	21.1
Positive replacement value (PRV)	0.1	0.1
Negative replacement value (NRV)	0.2	0.1
Bank | Designated for hedge accounting | Foreign exchange derivatives | Swaps
Fair value of derivative instruments
Notional amount	0.0	0.0
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Bank | Designated for hedge accounting | Foreign exchange derivatives | Options bought and sold (OTC)
Fair value of derivative instruments
Notional amount	0.0	0.0
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Bank | Designated for hedge accounting | Foreign exchange derivatives | Futures
Fair value of derivative instruments
Notional amount	0.0	0.0
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Bank | Designated for hedge accounting | Foreign exchange derivatives | Options bought and sold (exchange traded)
Fair value of derivative instruments
Notional amount	0.0	0.0
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Bank | Designated for hedge accounting | Credit derivatives
Fair value of derivative instruments
Notional amount	0.0	0.0
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Bank | Designated for hedge accounting | Equity/index-related derivatives
Fair value of derivative instruments
Notional amount	0.0	0.0
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Bank | Designated for hedge accounting | Equity/index-related derivatives | Forwards
Fair value of derivative instruments
Notional amount	0.0	0.0
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Bank | Designated for hedge accounting | Equity/index-related derivatives | Swaps
Fair value of derivative instruments
Notional amount	0.0	0.0
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Bank | Designated for hedge accounting | Equity/index-related derivatives | Options bought and sold (OTC)
Fair value of derivative instruments
Notional amount	0.0	0.0
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Bank | Designated for hedge accounting | Equity/index-related derivatives | Futures
Fair value of derivative instruments
Notional amount	0.0	0.0
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Bank | Designated for hedge accounting | Equity/index-related derivatives | Options bought and sold (exchange traded)
Fair value of derivative instruments
Notional amount	0.0	0.0
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Bank | Designated for hedge accounting | Other products
Fair value of derivative instruments
Notional amount	0.0	0.0
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Bank | Designated for hedge accounting | Other products | Forwards
Fair value of derivative instruments
Notional amount	0.0	0.0
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Bank | Designated for hedge accounting | Other products | Swaps
Fair value of derivative instruments
Notional amount	0.0	0.0
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Bank | Designated for hedge accounting | Other products | Options bought and sold (OTC)
Fair value of derivative instruments
Notional amount	0.0	0.0
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Bank | Designated for hedge accounting | Other products | Futures
Fair value of derivative instruments
Notional amount	0.0	0.0
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	0.0	0.0
Bank | Designated for hedge accounting | Other products | Options bought and sold (exchange traded)
Fair value of derivative instruments
Notional amount	0.0	0.0
Positive replacement value (PRV)	0.0	0.0
Negative replacement value (NRV)	SFr 0.0	SFr 0.0

X

- Definition

Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Includes assets not subject to a master netting arrangement.

+ References

No definition available.

+ Details

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Namespace Prefix:	cs_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Includes liabilities not subject to a master netting arrangement.

+ References

No definition available.

+ Details

Name:	cs_DerivativeLiabilityFairValueGrossLiabilityIncludesLiabilitiesNotSubjectToAMasterNettingArrangement
Namespace Prefix:	cs_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
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