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Loans Receivable and Allowance for Credit Losses - Allowance for Credit Losses Narrative (Details) $ in Millions | Dec. 31, 2025 USD ($) quarter | Dec. 31, 2024 USD ($)
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Financing Receivable, Allowance for Credit Losses |  |
Life time loss rate, period span | quarter | 8 |
Financing receivable and off balance sheet credit loss allowance | $ 858 | $ 742
Commercial Lending |  |
Financing Receivable, Allowance for Credit Losses |  |
Collateral dependent loans | 69 | 45
Consumer Lending |  |
Financing Receivable, Allowance for Credit Losses |  |
Collateral dependent loans | $ 10 | $ 23

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