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Supplemental Financial Information - Accounts and Other Receivables (Details) - USD ($) $ in Millions | Jun. 30, 2020 | Dec. 31, 2019
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Accounts and Other Receivables [Abstract] |  |
Trade receivables | $ 46 | $ 53
Credit card receivables | 38 | 112
Business partners and other suppliers | 434 | 779
Income tax receivable | 231 | 87
Other | 21 | 55
Accounts and other receivables | $ 770 | $ 1,086

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