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Supplemental Financial Information - Accounts and Other Receivables (Details) - USD ($) $ in Millions | Dec. 31, 2019 | Dec. 31, 2018
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Accounts and Other Receivables [Abstract] |  |
Trade receivables | $ 53 | $ 57
Credit card receivables | 112 | 107
Business partners and other suppliers | 779 | 319
Income tax receivable | 87 | 22
Other | 55 | 63
Accounts and other receivables | $ 1,086 | $ 568

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