XML 306 R214.htm IDEA: XBRL DOCUMENT v3.22.4

Significant valuation and income recognition differences between US GAAP and - Swiss GAAP banking law (Details)	12 Months Ended
	Dec. 31, 2022 week year
Significant valuation and income recognition differences between US GAAP and Swiss GAAP banking law (true and fair view)
Goodwill, maximum useful life (in years)	5
Goodwill, maximum useful life for justified exceptional cases (in years)	10
Intangible assets with indefinite lives, maximum useful life (in years)	5
Intangible assets with indefinite lives, maximum useful life for justified exceptional cases (in years)	10
Loan commitment notice period for Swiss GAAP (in weeks) | week	6

X

- Definition

This element represents the maximum useful life of goodwill for justified exceptional cases as accounted for under Swiss GAAP.

+ References

No definition available.

+ Details

Name:	cs_GoodwillUsefulLifeExceptionalCasesMaximum
Namespace Prefix:	cs_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

X

- Definition

This element represents the maximum useful life of goodwill as accounted for under Swiss GAAP.

+ References

No definition available.

+ Details

Name:	cs_GoodwillUsefulLifeMaximum
Namespace Prefix:	cs_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

X

- Definition

This element represents the maximum useful life of indefinite-lived intangible assets for justified exceptional cases excluding goodwill as accounted for under Swiss GAAP.

+ References

No definition available.

+ Details

Name:	cs_IndefiniteLivedIntangibleAssetsExcludingGoodwillUsefulLifeExceptionalCasesMaximum
Namespace Prefix:	cs_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

X

- Definition

This element represents the maximum useful life of indefinite-lived intangible assets excluding goodwill as accounted for under Swiss GAAP.

+ References

No definition available.

+ Details

Name:	cs_IndefiniteLivedIntangibleAssetsExcludingGoodwillUsefulLifeMaximum
Namespace Prefix:	cs_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The period of time included in the entity's notice period for loan commitments, which requires that loan commitment to be disclosed under Swiss GAAP if exceeded, expressed in weeks.

+ References

No definition available.

+ Details

Name:	cs_LoanCommitmentDisclosurePolicySwissGAAPNoticePeriod
Namespace Prefix:	cs_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	cs_SignificantValuationAndIncomeRecognitionDifferencesBetweenUSGaapAndSwissGaapDisclosureAbstract
Namespace Prefix:	cs_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration