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Commitments and Contingent Liabilities - Narrative (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Loss Contingencies [Line Items] |  |  |
Lessee, operating lease, renewal term | 20 years |  |
Operating lease, payments | $ 129 | $ 110 | $ 87
Finance lease, principal payments | 3 | 0 |
Operating lease income | $ 16 | $ 15 | $ 16
Minimum |  |  |
Loss Contingencies [Line Items] |  |  |
Lessee, operating lease, term of contract | 5 years |  |
Lessee, finance lease, term of contract | 4 years |  |
Maximum |  |  |
Loss Contingencies [Line Items] |  |  |
Lessee, operating lease, term of contract | 30 years |  |
Lessee, finance lease, term of contract | 6 years |  |
Subordinated Debt Obligations |  |  |
Loss Contingencies [Line Items] |  |  |
Long-term debt | $ 2,300 |  |

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