Leases (Details) $ in Millions	3 Months Ended
	Mar. 30, 2019 USD ($)
Leases [Abstract]
Lease term	13 years
Operating lease expense	$ 15
Variable lease cost	6
Operating lease payments	15
ROU asset in exchange for operating lease obligations	$ 7
Weighted average remaining lease term	6 years
Weighted average discount rate used to measure ROU assets and lease liabilities	6.00%