Leases - Balance Sheet and Other Information (Details) - USD ($) $ in Millions	Oct. 02, 2021	Jan. 02, 2021
Operating leases:
Other assets	$ 388	$ 349
Other current liabilities	58	47
Other liabilities	$ 336	$ 306
Weighted-average remaining lease term (in years)
Weighted-average remaining lease term (in years)	10 years 6 months	11 years 7 months 6 days
Weighted-average discount rate
Weighted-average discount rate	3.34%	4.17%
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other assets
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Other current liabilities
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other liabilities