cm:Concept: us-gaap:AccumulatedOtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionAfterTax
Accumulated Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, after Tax |
us-gaap:AccumulatedOtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionAfterTax |
Amount, after tax, of accumulated gain (loss) from increase (decrease) in instrument-specific credit risk of financial liability measured under fair value option. |
cm:Concept |
Monetary (xbrli:monetaryItemType) |
As Of (instant) |
Credit |
false |
us-gaap:AccumulatedOtherComprehensiveIncomeLossFinancialLiabilityFairValueOptionAfterTax |