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Consolidated Statements of Cash Flows (Unaudited) (Parenthetical) - USD ($) $ in Millions | 3 Months Ended
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Mar. 31, 2024 | Mar. 31, 2023
Statement of Cash Flows [Abstract] |  |
Sales of premises and equipment | $ 1 | $ 1
Net increase in short-term borrowings, non-cash |  | 117
Net increase in loans and Card Member receivables, non-cash |  | $ 117

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- Definition Loans And Receivables Issued, Non-Cash + References No definition available. + Details
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- Definition Short Term Borrowings Increase, Non-Cash + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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- Definition The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 12 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-12 + Details
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- References No definition available. + Details
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