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Supplemental Balance Sheet Information (Details) $ in Millions | Mar. 31, 2021 USD ($) days | Dec. 31, 2020 USD ($)
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Accounts and Notes Receivable [Abstract] |  |
Number of days from the period in which the corresponding sales occur that trade receivables are generally due | days | 30 |
Accounts and notes receivable, gross | $ 545 | $ 579
Allowance for doubtful accounts | (37) | (45)
Accounts and notes receivable, net | $ 508 | $ 534

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