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Commitments and Contingencies - Schedule of Product Warranties (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Movement in Standard Product Warranty Accrual [Roll Forward]    
Balance at January 1 $ 220 $ 236
Provisions 6 6
Expenditures (8) (12)
Other 8 (8)
Balance at September 30 $ 226 $ 222