Benefit Plans (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Apr. 02, 2017
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Service cost	$ 2	$ 2
Interest cost	1	1
Expected return on plan assets	(1)	(1)
Curtailment and settlement loss	0	1
Net periodic benefit cost	2	3
Domestic Plan
Defined Benefit Plan Disclosure [Line Items]
Pension and postretirement benefit expense	2	2
Foreign Plan
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Contributions to benefit plans	2	$ 3
Expected future contributions to benefit plans	$ 6