Leases - Supplemental Operating Leases Information Table (Details) $ in Millions	3 Months Ended
	Mar. 30, 2019 USD ($)
Leases [Abstract]
Operating Lease, Payments	$ 31
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	$ 12
Operating Lease, Weighted Average Remaining Lease Term	6 years
Operating Lease, Weighted Average Discount Rate, Percent	3.10%