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Other Financial Data - Schedule of Other Current Liabilities (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Other Financial Data [Abstract] |  |
Deferred revenue | $ 321 | $ 296
Taxes payable | 149 | 80
Leases (2) | 213 | 234
Other | 648 | 561
Total | 1,331 | 1,171
Deferred revenue recognized | $ 553 | $ 454

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