Securities - Narrative (Details) - USD ($) $ in Millions |
Sep. 30, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Debt Securities, Available-for-sale [Line Items] | ||
| Fair Value | $ 226,339 | $ 299,178 |
| Held-to-maturity securities | 527,553 | 665,890 |
| Other assets | ||
| Debt Securities, Available-for-sale [Line Items] | ||
| Equity securities, fair value | 620 | 513 |
| Equity securities, cost | 311 | 266 |
| Time Deposits Placed and Other Short-term Investments | ||
| Debt Securities, Available-for-sale [Line Items] | ||
| Time deposits placed and other short-term investments | 682 | 707 |
| Debt securities | ||
| Debt Securities, Available-for-sale [Line Items] | ||
| Accumulated net unrealized loss on AFS debt securities | (3,900) | |
| Accumulated other comprehensive income benefit | (1,300) | |
| U.S. Agency And U.S. Treasury Securities | ||
| Debt Securities, Available-for-sale [Line Items] | ||
| Fair Value | 199,300 | 268,500 |
| Held-to-maturity securities | 527,600 | 665,900 |
| All Non U.S. Agency And Non U.S. Treasury Securities | ||
| Debt Securities, Available-for-sale [Line Items] | ||
| Fair Value | $ 27,000 | $ 30,700 |
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- Definition Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Tax 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 Amount, after tax, of accumulated unrealized gain (loss) on 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 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 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. No definition available.
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- Definition Fair value of investment in debt security measured at amortized cost (held-to-maturity). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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. No definition available.
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