Financial Derivatives (Narrative) (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Derivative [Line Items] | ||||
| Cash and securities held to collateralize net derivative assets | $ 1,600 | $ 1,600 | ||
| Cash and securities pledged to collateralize net derivative liabilities | 1,900 | 1,900 | ||
| Gain (loss) on net investment hedge derivatives | $ (83) | $ (2) | (124) | $ 9 |
| Cash flow hedges | Interest rate contracts | ||||
| Derivative [Line Items] | ||||
| Cash flow hedge loss to be reclassified within twelve months | 300 | |||
| Cash flow hedge loss to be reclassified within twelve months, net of tax | $ 200 | |||
| Maximum length of time hedged in cash flow hedge | 7 years | |||
| X | ||||||||||
- Definition Represents amount of cash, and if applicable, U.S. government securities and/or mortgage-backed securities, held under master netting and other collateral agreements to collateralize net derivative assets due from counterparties. No definition available.
|
| X | ||||||||||
- Definition Represents amount of cash, and if applicable, U.S. government securities and/or mortgage-backed securities, pledged under master netting and other collateral agreements to collateralize net derivative liabilities owed to counterparties. No definition available.
|
| X | ||||||||||
- Definition Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months, Net of Tax No definition available.
|
| X | ||||||||||
- Definition The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- 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/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Maximum length of time over which the entity is hedging its exposure to the variability in future cash flows for forecasted transactions, excluding those forecasted transactions related to the payment of variable interest on existing financial instruments, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount, before tax and reclassification, of gain (loss) from derivative designated and qualifying as net investment hedge. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|