Product Warranty (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Dec. 31, 2019
Product warranty rollforward
Beginning balance, January 1	$ 116	$ 103
Provisions for current period sales	27	27
Adjustments of prior estimates	5	7
Payments	(28)	(30)
Translation adjustment	(1)	(1)
Ending balance, June 30	119	106
Accounts payable and accrued expenses			$ 66	$ 63
Other non-current liabilities			53	53
Total product warranty liability	$ 119	$ 106	$ 119	$ 116
Minimum
Product Warranty Liability
Product Warranty Term	1 year
Maximum
Product Warranty Liability
Product Warranty Term	3 years