Related Party Disclosures (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
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| Related Party Transaction [Line Items] | |||||
| Revenue from Contract with Customer, Excluding Assessed Tax | $ 724 | $ 604 | $ 1,458 | $ 1,215 | |
| Equity Method Investee | |||||
| Related Party Transaction [Line Items] | |||||
| Revenue from Contract with Customer, Excluding Assessed Tax | 11 | $ 12 | 22 | $ 24 | |
| Equity Method Investee | Related Party | |||||
| Related Party Transaction [Line Items] | |||||
| Revenue from Contract with Customer, Excluding Assessed Tax | 6 | 12 | |||
| Commitments to Extend Credit [Member] | |||||
| Related Party Transaction [Line Items] | |||||
| Fair Value Disclosure, Off-balance Sheet Risks, Face Amount, Liability | 11,800 | 11,800 | $ 11,100 | ||
| Commitments to Extend Credit [Member] | Related Party | |||||
| Related Party Transaction [Line Items] | |||||
| Fair Value Disclosure, Off-balance Sheet Risks, Face Amount, Liability | $ 67 | $ 67 | $ 94 | ||
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- Definition The face amount of financial liabilities, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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