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Warranty Obligations - Changes in Warranty Liabilities (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]    
Balance, beginning of period $ 75 $ 76
Acquisitions 15
Amounts accrued for current period sales 8 10
Adjustments of prior estimates 5
Settlements of warranty claims (7) (11)
Currency impact (1) 1
Balance, end of period $ 95 $ 76