Restructuring Charges/Other - Additional Information (Details) $ in Millions	3 Months Ended		6 Months Ended	9 Months Ended	24 Months Ended
	Sep. 30, 2017 USD ($)	Dec. 31, 2016 USD ($)	Jun. 30, 2017 USD ($)	Sep. 30, 2017 USD ($) Reportable_Segments	Sep. 30, 2017 USD ($)
Restructuring Cost And Reserve [Line Items]
Number of reportable segments | Reportable_Segments				2
Restructuring charges				$ 8
Payments for restructuring				16
Product Line Reorganization
Restructuring Cost And Reserve [Line Items]
Restructuring charges		$ 18	$ 3
Product Line Reorganization | Employee Severance
Restructuring Cost And Reserve [Line Items]
Payments for restructuring				10
Manufacturing Facility in Greenock, Scotland
Restructuring Cost And Reserve [Line Items]
Restructuring charges	$ 1			5	$ 29
Estimated restructuring charges primarily severance and benefits cost	$ 40			$ 40	$ 40