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v3.26.1

Investments - Equity Investments (Details) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2026 USD ($)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |
Balance, beginning of period | $ 1,705
Purchases | 48
Sales | (1)
Changes in fair value | (66)
Other | (9)
Balance, end of period | 1,677
Marketable Securities |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |
Balance, beginning of period | 203
Purchases | 0
Sales | 0
Changes in fair value | (45)
Other | 0
Balance, end of period | 158
Nonmarketable Securities |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |
Balance, beginning of period | 1,502
Purchases | 48
Sales | (1)
Changes in fair value | (21)
Other | (9)
Balance, end of period | $ 1,519

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