Investment Securities - Additional Information (Details) - USD ($) $ in Millions |
1 Months Ended | 3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|---|
Jan. 31, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
Dec. 31, 2024 |
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| Investments, Unrealized Loss Position | ||||||
| Accrued interest receivables on investment securities | $ 156 | $ 156 | $ 162 | |||
| Transfer of available-for-sale securities to held-to-maturity | $ 12,600 | |||||
| OCI, available-for-sale debt securities transferred to held-to-maturity, pretax unrealized losses | $ 994 | |||||
| Impairment losses | 0 | $ 5 | 0 | $ 10 | ||
| Investment securities, fair value | 28,800 | 28,800 | 30,000 | |||
| Unrealized losses | 3,473 | 3,473 | 4,337 | |||
| Non-rated Securities | ||||||
| Investments, Unrealized Loss Position | ||||||
| Unrealized losses | $ 27 | $ 27 | $ 34 | |||
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- Definition Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Transfer In, Amount No definition available.
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- Definition Impairment Loss, Debt Securities, Portion Recognized in Earnings No definition available.
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- Definition OCI, Debt Securities, Available-for-Sale, Unrealized Gain (Loss), Transferred To Held-to-Maturity, Before Adjustment, Before Tax No definition available.
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- Definition Interest, dividends, rents, ancillary and other revenues earned but not yet received by the entity on its investments. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of restricted investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset. Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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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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- Details
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