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Warranty Obligations - Changes in Warranty Liabilities (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]        
Balance, beginning of period $ 63 $ 48 $ 56 $ 47
Amounts accrued for current period sales 6 6 19 20
Adjustments of prior estimates 7 19 4
Settlements of warranty claims (10) (7) (28) (23)
Currency impact 1 (1) 1 (2)
Balance, end of period $ 67 $ 46 $ 67 $ 46