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Accounting Policies - Summary of Balance of Allowances for Credit Losses, Doubtful Accounts with Accounts Receivable and Changes (Details) $ in Millions | 3 Months Ended
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Mar. 31, 2020 USD ($)
Financing Receivable Allowance For Credit Losses [Line Items] |
Balance at January 1, 2020 | $ 126
Current period provision | 14
Write-offs charged against the allowance | (2)
Recoveries of amounts previously written off | 0
Translation | (7)
Balance at March 31, 2020 | 131
Americas |
Financing Receivable Allowance For Credit Losses [Line Items] |
Balance at January 1, 2020 | 38
Current period provision | 0
Write-offs charged against the allowance | (1)
Recoveries of amounts previously written off | 0
Translation | (3)
Balance at March 31, 2020 | 34
Europe, Middle East & Africa |
Financing Receivable Allowance For Credit Losses [Line Items] |
Balance at January 1, 2020 | 78
Current period provision | 14
Write-offs charged against the allowance | (1)
Recoveries of amounts previously written off | 0
Translation | (4)
Balance at March 31, 2020 | 87
Asia |
Financing Receivable Allowance For Credit Losses [Line Items] |
Balance at January 1, 2020 | 10
Current period provision | 0
Write-offs charged against the allowance | 0
Recoveries of amounts previously written off | 0
Translation | 0
Balance at March 31, 2020 | $ 10

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