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Variable Interest Entities - Schedule of the Impact of Qualifying LIHTC Investments (Details) - USD ($) $ in Millions | 3 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024
Low income housing tax credits |  |
Variable Interest Entity [Line Items] |  |
Amortization of qualifying investments | $ 17 | $ 15
Tax credits and Other tax benefits related to qualifying investments | (20) | (17)
Other tax benefits related to qualifying LIHTC investments |  |
Variable Interest Entity [Line Items] |  |
Tax credits and Other tax benefits related to qualifying investments | $ (2) | $ (2)

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- Definition Amount, before amortization expense, of income tax credit and other tax benefit generated by investment under tax credit program elected to be accounted for using proportional amortization method. Includes, but is not limited to, investment under tax credit program not meeting condition for accounting under proportional amortization method. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 323 -SubTopic 740 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478156/323-740-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 323 -Name Accounting Standards Codification -Section 50 -Paragraph 1A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478156/740-323-50-1A + Details
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