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Other Financial Data - Schedule of Allowance for Doubtful Accounts (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Movement ofAccounts Receivable, Allowance for Credit Loss, Current [Roll Forward] |  |  |  |
Balance at beginning of period | $ 83 | $ 91 | $ 76 | $ 90
Provision | 3 | 2 | 12 | 12
Accounts written off, net of recoveries | (2) | 1 | (5) | (11)
Foreign currency translation and other | (2) | (12) | (1) | (9)
Balance at end of period | $ 82 | $ 82 | $ 82 | $ 82

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