Investments and Fair Value Measurements - Fair Value Hierarchy of Assets and Liabilities (Details) - USD ($) $ in Millions	Apr. 03, 2022	Jan. 02, 2022
Assets:
Marketable equity securities	$ 65	$ 107
Fair Value, Measurements, Recurring
Assets:
Marketable equity securities	65	107
Helix contingent value right	70	65
Deferred compensation plan assets	57	60
Total assets measured at fair value	967	920
Liabilities:
Contingent consideration liability	566	615
Deferred compensation plan liability	54	56
Total liabilities measured at fair value	620	671
Fair Value, Measurements, Recurring | Money market funds (cash equivalents)
Assets:
Money market funds (cash equivalents)	775	688
Fair Value, Measurements, Recurring | Level 1
Assets:
Marketable equity securities	65	107
Helix contingent value right	0	0
Deferred compensation plan assets	0	0
Total assets measured at fair value	840	795
Liabilities:
Contingent consideration liability	0	0
Deferred compensation plan liability	0	0
Total liabilities measured at fair value	0	0
Fair Value, Measurements, Recurring | Level 1 | Money market funds (cash equivalents)
Assets:
Money market funds (cash equivalents)	775	688
Fair Value, Measurements, Recurring | Level 2
Assets:
Marketable equity securities	0	0
Helix contingent value right	0	0
Deferred compensation plan assets	57	60
Total assets measured at fair value	57	60
Liabilities:
Contingent consideration liability	0	0
Deferred compensation plan liability	54	56
Total liabilities measured at fair value	54	56
Fair Value, Measurements, Recurring | Level 2 | Money market funds (cash equivalents)
Assets:
Money market funds (cash equivalents)	0	0
Fair Value, Measurements, Recurring | Level 3
Assets:
Marketable equity securities	0	0
Helix contingent value right	70	65
Deferred compensation plan assets	0	0
Total assets measured at fair value	70	65
Liabilities:
Contingent consideration liability	566	615
Deferred compensation plan liability	0	0
Total liabilities measured at fair value	566	615
Fair Value, Measurements, Recurring | Level 3 | Money market funds (cash equivalents)
Assets:
Money market funds (cash equivalents)	$ 0	$ 0