Investments - Equity Investments (Details) $ in Millions |
9 Months Ended |
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Sep. 30, 2026
USD ($)
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| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | |
| Balance, beginning of period | $ 1,705 |
| Purchases | 161 |
| Sales | (109) |
| Changes in fair value | (73) |
| Other | (13) |
| Balance, end of period | 1,671 |
| Marketable Securities | |
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | |
| Balance, beginning of period | 203 |
| Purchases | 0 |
| Sales | (100) |
| Changes in fair value | (45) |
| Other | (1) |
| Balance, end of period | 57 |
| Nonmarketable Securities | |
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | |
| Balance, beginning of period | 1,502 |
| Purchases | 161 |
| Sales | (9) |
| Changes in fair value | (28) |
| Other | (12) |
| Balance, end of period | $ 1,614 |
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- Definition Equity Securities, FV-NI, Other Adjustments No definition available.
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- Definition Equity Securities, FV-NI, Purchases No definition available.
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- Definition Equity Securities, FV-NI, Sales No definition available.
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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). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of unrealized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). 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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