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v3.20.2

Advances and Other Receivables, Net - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2020 | Sep. 30, 2020 | Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Accounting standards update |  | us-gaap:AccountingStandardsUpdate201613Member | us-gaap:AccountingStandardsUpdate201613Member
Financing receivable, allowance for credit loss | $ 44 | $ 44 |
Financial instruments collection period |  | 39 months |
Advances and other receivables reserve |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Provision for credit loss | 13 | $ 27 |
Financing receivable, allowance for credit loss | 27 | 27 |
Purchase Discount |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Financing receivable, allowance for credit loss | $ 17 | $ 17 |

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