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Other Financial Data - Schedule of Other Current Liabilities (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019 | Dec. 31, 2019
Other Financial Data [Abstract] |  |  |  |  |
Deferred revenue | $ 294 |  | $ 294 |  | $ 270
Taxes payable | 242 |  | 242 |  | 93
Leases | 216 |  | 216 |  | 210
Other | 567 |  | 567 |  | 513
Total | 1,319 |  | 1,319 |  | $ 1,086
Revenue recognized from deferred revenue | $ 171 | $ 95 | $ 288 | $ 241 |
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