Restructuring and Other Charges - Additional Information (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended		12 Months Ended
	May 12, 2017	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2018	Dec. 31, 2017
Restructuring Cost and Reserve [Line Items]
Restructuring cost		$ 31	$ 17	$ 43	$ 32
Non Cash Charges Related To Restructuring Activity					2
Restructuring and related cost allowed to be excluded from the calculation of financial covenant ratios	$ 35						$ 35
Charges allowed to be excluded under debt agreement, 2018	25
Charges allowed to be excluded under debt agreement, 2019	25
Charges allowed to be excluded under debt agreement, 2020	25
Charges allowed to be excluded under debt agreement, 2021	25
Charges allowed to be excluded under debt agreement, 2022	25
Restructuring and related cost and litigation costs allowed to be excluded from the calculation of financial covenant ratios	$ 150			210
Cost of sales
Restructuring Cost and Reserve [Line Items]
Restructuring cost		23	12	32	23
Selling, general and administrative
Restructuring Cost and Reserve [Line Items]
Restructuring cost		8	4	10	7
Engineering, research, and development
Restructuring Cost and Reserve [Line Items]
Restructuring cost		0	0	1	0
Depreciation and amortization of other intangibles
Restructuring Cost and Reserve [Line Items]
Restructuring cost		0	1	0	$ 2
Australia
Restructuring Cost and Reserve [Line Items]
Non Cash Charges Related To Restructuring Activity			$ 1
Reduction in Structural Costs
Restructuring Cost and Reserve [Line Items]
Restructuring cost		9		9
Reduction in Structural Costs | Selling, general and administrative
Restructuring Cost and Reserve [Line Items]
Restructuring cost		5		5
Reduction in Structural Costs | Engineering, research, and development
Restructuring Cost and Reserve [Line Items]
Restructuring cost		$ 4		$ 4
Forecast
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost allowed to be excluded from the calculation of financial covenant ratios						$ 25