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Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2020
Accounting Policies [Abstract] |
Summary of Balance of Allowances for Credit Losses, Doubtful Accounts with Accounts Receivable and Changes | The following table presents the balance of allowances for credit losses, which represents our allowance for doubtful accounts associated with accounts receivable, and the changes during the year ended December 31, 2020:
(In millions) |  | Americas |  |  | Europe, Middle East & Africa |  |  | Asia Pacific |  |  | Total |
Balance at January 1, 2020 |  | $ | 38 |  |  | $ | 78 |  |  | $ | 10 |  |  | $ | 126 |
Current period provision |  |  | 10 |  |  |  | 15 |  |  |  | 5 |  |  |  | 30 |
Write-offs charged against the allowance |  |  | (4 | ) |  |  | (7 | ) |  |  | — |  |  |  | (11 | )
Translation |  |  | (2 | ) |  |  | 6 |  |  |  | 1 |  |  |  | 5 |
Balance at December 31, 2020 |  | $ | 42 |  |  | $ | 92 |  |  | $ | 16 |  |  | $ | 150 |
Reconciliation of Cash, Cash Equivalents and Restricted Cash | The following table provides a reconciliation of Cash, Cash Equivalents and Restricted Cash as reported within the Consolidated Statements of Cash Flows:
|  | December 31, |
(In millions) |  | 2020 |  |  | 2019 |  |  | 2018 |
Cash and Cash Equivalents |  | $ | 1,539 |  |  | $ | 908 |  |  | $ | 801 |
Restricted Cash |  |  | 85 |  |  |  | 66 |  |  |  | 72 |
Total Cash, Cash Equivalents and Restricted Cash |  | $ | 1,624 |  |  | $ | 974 |  |  | $ | 873 |

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