Investments - Schedule of Investments (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Net Investment Income [Line Items]
Time deposits	$ 10,215		$ 17,230
Restricted cash & cash equivalents	727	$ 21	742
Available-for-sale debt investments	539		524
Equity and other investments	34		34
Total	12,512		19,527
Dividends received	0	$ 2
Escrow deposit	689		689
Equity method investments - United Launch Alliance
Net Investment Income [Line Items]
Equity method investments	547		556
Equity method investments - Other
Net Investment Income [Line Items]
Equity method investments	$ 450		$ 441

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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