cm:Level2TextBlock: us-gaap:RevenueRecognitionRevenueReductions
Revenue Recognition, Revenue Reductions [Policy Text Block] |
us-gaap:RevenueRecognitionRevenueReductions |
Disclosure of accounting policy of sales arrangements for goods or services that reduce the amount of revenue recognized for example sales returns, allowances, incentives, rebates, discounts and loyalty programs. |
cm:Level2TextBlock |
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(no balance type) |
false |
us-gaap:RevenueRecognitionRevenueReductions |