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Accounts Receivable, net (Details) - USD ($) $ in Millions | Jun. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Allowance for expected credit losses | $ (18) | $ (2)
Accounts receivable, net | 270 | 399
Trade Accounts Receivable [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Accounts receivable, gross, current | 208 | 337
Credit Card Receivable [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Accounts receivable, gross, current | 55 | 29
Vendor Receivables For Rebates Branding And Other [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Accounts receivable, gross, current | 21 | 19
Other Receivables [Member] |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Accounts receivable, gross, current | $ 4 | $ 16

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