Fair Value Measurements - Assets and Liabilities Measured on a Recurring Basis (Details) - Fair value - USD ($) $ in Millions	Apr. 02, 2021	Jan. 01, 2021
Assets
Deferred compensation plan assets	$ 101	$ 98
Derivatives (foreign currency forward contracts)	21	24
Liabilities
Deferred compensation plan liabilities	128	120
Derivatives (foreign currency forward contracts)	2	4
Equity securities and mutual funds
Liabilities
Deferred compensation plan liabilities	4	4
Equity and fixed-income securities
Assets
Deferred compensation plan assets	69	67
Level 1
Assets
Deferred compensation plan assets	69	67
Derivatives (foreign currency forward contracts)	0	0
Liabilities
Deferred compensation plan liabilities	4	4
Derivatives (foreign currency forward contracts)	0	0
Level 1 | Equity securities and mutual funds
Liabilities
Deferred compensation plan liabilities	4	4
Level 1 | Equity and fixed-income securities
Assets
Deferred compensation plan assets	69	67
Level 2
Assets
Deferred compensation plan assets	0	0
Derivatives (foreign currency forward contracts)	21	24
Liabilities
Deferred compensation plan liabilities	0	0
Derivatives (foreign currency forward contracts)	2	4
Level 2 | Equity securities and mutual funds
Liabilities
Deferred compensation plan liabilities	0	0
Level 2 | Equity and fixed-income securities
Assets
Deferred compensation plan assets	0	0
Investments measured at NAV | Common/collective trusts and guaranteed investment contracts
Liabilities
Deferred compensation plan liabilities	124	116
Investments measured at NAV | Corporate Owned Life Insurance [Member]
Assets
Deferred compensation plan assets	$ 32	$ 31