Restructuring Charges/Other - Additional Information (Details) $ in Millions	3 Months Ended		6 Months Ended	21 Months Ended
	Jun. 30, 2017 USD ($)	Dec. 31, 2016 USD ($)	Jun. 30, 2017 USD ($) Reportable_Segments	Jun. 30, 2017 USD ($)
Restructuring Cost And Reserve [Line Items]
Number of reportable segments | Reportable_Segments			2
Restructuring charges			$ 7
Payments for restructuring			10
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			5
Manufacturing Facility in Greenock, Scotland
Restructuring Cost And Reserve [Line Items]
Restructuring charges	$ 2		4	$ 28
Estimated restructuring charges primarily severance and benefits cost	$ 40		$ 40	$ 40