Derivative and Financial Instruments - Schedule of Net Carrying Amount of Held to Maturity Investments (Details) - USD ($) $ in Millions	Sep. 30, 2026	Dec. 31, 2025
Schedule of Held-to-maturity Securities [Line Items]
Cash and cash equivalents, carried at cost plus accrued interest	$ 7,744	$ 6,497
Short-term investments, carried at cost plus accrued interest	1,711	31
Cash
Schedule of Held-to-maturity Securities [Line Items]
Cash and cash equivalents, carried at cost plus accrued interest	513	543
Demand deposits
Schedule of Held-to-maturity Securities [Line Items]
Cash and cash equivalents, carried at cost plus accrued interest	4,269	3,781
Time deposits \| 1 to 90 days
Schedule of Held-to-maturity Securities [Line Items]
Cash and cash equivalents, carried at cost plus accrued interest	2,777	975
Short-term investments, carried at cost plus accrued interest	1,707	6
Time deposits \| 91 to 180 days
Schedule of Held-to-maturity Securities [Line Items]
Short-term investments, carried at cost plus accrued interest	4	17
Time deposits \| Within one year
Schedule of Held-to-maturity Securities [Line Items]
Short-term investments, carried at cost plus accrued interest		8
U.S. government obligations \| 1 to 90 days
Schedule of Held-to-maturity Securities [Line Items]
Cash and cash equivalents, carried at cost plus accrued interest	$ 185	$ 1,198