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Schedule II Valuation and Qualifying Accounts (Details) - SEC Schedule, 12-09, Allowance, Notes Receivable - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance at Beginning of Period $ 131 $ 88 $ 64
Charged to Costs & Expenses 61 65 39
Uncollectible Amounts Written Off, Net of Recoveries 23 22 13
Effect of Changes in Foreign Currency Exchange Rates 2 0 2
Balance at End of Period $ 167 $ 131 $ 88