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Schedule II (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |  |  |  |
Accounts Receivable, Allowance for Credit Loss (beginning balance) | $ 105 | $ 74 | $ 68 |
Cumulative effect adjustment for adoption of ASC 2016-13 |  | 10 |  |
Net (credits) charges to expenses | 28 | 49 | 23 |
Utilization of allowances | (25) | (27) | (17) |
Accounts Receivable, Allowance for Credit Loss (ending balance) | $ 108 | $ 105 | 74 |
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount |  |  | $ 74 | $ 68

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