Leases - Other Information Related to Lease Agreements (Details) $ in Millions	9 Months Ended
	Sep. 28, 2019 USD ($)
Cash Paid For Amounts Included In Measurement of Liabilities
Operating cash flows from operating leases	$ 24
Operating cash flows from financing leases	9
Financing cash flows from financing leases	$ 49
Weighted-average remaining lease term (years):
Operating leases	5 years 9 months 18 days
Financing leases	5 years 3 months 18 days
Weighted-average discount rate:
Operating leases	4.60%
Financing leases	3.50%