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Interest rate benchmark reform (Narrative) (Detail) - USD ($) $ in Billions | 3 Months Ended |
--- | --- | ---
Jun. 30, 2021 | Mar. 31, 2021
Disclosure Of Maximum Exposure To Interest Rate Benchmark Reform [Line Items] |  |
Increase (decrease) in mortgages linked to CHF LIBOR | $ (2) |
Increase (decrease) in mortgages linked to GBP LIBOR | (3) |
Increase (decrease) in US securities-based lending | 4 |
Total off-balance sheet irrevocable loan commitments | 16 | $ 15
Increase (decrease) in carrying amount of non-derivative financial assets and liabilities related to brokerage accounts | (8) |
Drawn-down amounts under irrevocable loan commitments | 4 | 4
Committed revocable credit lines outstanding | $ 10 | $ 16

X
- Definition The amount of contractual undiscounted cash flows for gross commitments to receive a loan. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 7 -IssueDate 2020-01-01 -Paragraph B11D -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2020-en-r&anchor=para_B11D_e&doctype=Appendix&subtype=B -URIDate 2020-01-01 + Details
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- Definition The amount of committed revocable credit lines outstanding subject to interest rate benchmark reform. + References No definition available. + Details
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The amount of drawn-down amounts under irrevocable loan commitments subject to interest rate benchmark reform. + References No definition available. + Details
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X
- Definition The increase (decrease) in carrying amount of non-derivative financial assets and liabilities related to brokerage accounts as a result of tranisition related to interest rate benchmark reform. + References No definition available. + Details
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- Definition The Increase (decrease) in mortgages linked to CHF LIBOR. + References No definition available. + Details
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- Definition The Increase (decrease) in mortgages linked to GBP LIBOR. + References No definition available. + Details
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- Definition The Increase (decrease) in US securities-based lending. + References No definition available. + Details
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