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Supplemental Financial Information - Accounts and Other Receivables (Details) - USD ($) $ in Millions | Jun. 30, 2021 | Dec. 31, 2020
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Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |
Trade receivables | $ 81 | $ 46
Credit card receivables | 129 | 35
Business partners and other suppliers | 380 | 274
Taxes receivable | 696 | 740
Other | 42 | 35
Accounts and other receivables | 1,328 | 1,130
Vendor prepayment | $ 0 | $ 600

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