Investments and Fair Value Measurements - Fair Value Hierarchy of Assets and Liabilities (Details) - USD ($) $ in Millions	Oct. 02, 2022	Jan. 02, 2022
Assets:
Marketable equity securities	$ 41	$ 107
Fair Value, Measurements, Recurring
Assets:
Money market funds (cash equivalents)	551	688
Marketable equity securities	41	107
Helix contingent value right	57	65
Deferred compensation plan assets	49	60
Total assets measured at fair value	698	920
Liabilities:
Contingent consideration liabilities	387	615
Deferred compensation plan liability	46	56
Total liabilities measured at fair value	433	671
Fair Value, Measurements, Recurring | Level 1
Assets:
Money market funds (cash equivalents)	551	688
Marketable equity securities	41	107
Helix contingent value right	0	0
Deferred compensation plan assets	0	0
Total assets measured at fair value	592	795
Liabilities:
Contingent consideration liabilities	0	0
Deferred compensation plan liability	0	0
Total liabilities measured at fair value	0	0
Fair Value, Measurements, Recurring | Level 2
Assets:
Money market funds (cash equivalents)	0	0
Marketable equity securities	0	0
Helix contingent value right	0	0
Deferred compensation plan assets	49	60
Total assets measured at fair value	49	60
Liabilities:
Contingent consideration liabilities	0	0
Deferred compensation plan liability	46	56
Total liabilities measured at fair value	46	56
Fair Value, Measurements, Recurring | Level 3
Assets:
Money market funds (cash equivalents)	0	0
Marketable equity securities	0	0
Helix contingent value right	57	65
Deferred compensation plan assets	0	0
Total assets measured at fair value	57	65
Liabilities:
Contingent consideration liabilities	387	615
Deferred compensation plan liability	0	0
Total liabilities measured at fair value	$ 387	$ 615