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Derivative and Financial Instruments - Net Carrying Amount of Investments and Long-term Receivables Carried at Cost plus Accrued Interest (Details) - USD ($) $ in Millions | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Schedule of Held-to-maturity Securities [Line Items] |  |
Cash and cash equivalents | $ 6,497 | $ 5,605
Short-term investments | 31 | 12
Cash |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Cash and cash equivalents | 543 | 770
Demand Deposits |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Cash and cash equivalents | 3,781 | 3,211
Time Deposits | 1 to 90 days |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Cash and cash equivalents | 975 | 1,364
Short-term investments | 6 | 1
Time Deposits | 91 to 180 days |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Short-term investments | 17 | 5
Time Deposits | Within one year |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Short-term investments | 8 | 6
U.S. Government Obligations | 1 to 90 days |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Cash and cash equivalents | $ 1,198 | $ 260

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