Securities - Narrative (Details) - USD ($) $ in Millions |
Mar. 31, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Investments, Debt And Equity Securities [Line Items] | ||
| Amortized cost of AFS and HTM debt securities | $ 886,200 | $ 911,300 |
| Equity securities, fair value | 250 | 253 |
| Equity securities, cost | 523 | 479 |
| Recurring | ||
| Investments, Debt And Equity Securities [Line Items] | ||
| Time deposits placed and other short-term investments | 1,343 | 1,242 |
| U.S. Agency And U.S. Treasury Securities | ||
| Investments, Debt And Equity Securities [Line Items] | ||
| AFS and HTM debt securities | $ 835,900 | $ 863,700 |
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- Definition Debt Securities, Available-For-Sale And Held-To-Maturity, Excluding Accrued Interest No definition available.
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- Definition Investments, Debt And Equity Securities No definition available.
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- Definition Time Deposits Placed And Other Short-Term Investments, Fair Value Disclosure No definition available.
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- Definition Amortized cost, after allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity) and 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/2009/role/commonPracticeRef
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- Definition Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Cost of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Excludes equity method investment and investment in equity security without readily determinable fair value. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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