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Loans and Related Allowance for Credit Losses (Subsequently Defaulted TDRs) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
TDRs |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized Cost - Subsequently Defaulted TDRs | $ 23 | $ 6 | $ 45 | $ 25

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- Definition Amount of financing receivable modified as troubled debt restructuring within previous 12 months, with subsequent payment default. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 34 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953682-111524 + Details
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- Details
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