Warranty Liability (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2017	Dec. 31, 2016
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]
Balance at the beginning of the period	$ 192	$ 152
Accruals for warranties issued during the year	13	66
Accruals related to pre-existing warranties	3	33
Settlements made (in cash or kind) during the year	(14)	(56)
Other, net (including currency translation)	0	(3)
Balance at the end of the period	$ 194	$ 192