Goodwill and Other Intangible Assets - Intangibles Assets (Details) - USD ($) $ in Millions	Apr. 02, 2021	Jan. 01, 2021
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 7,103	$ 7,667
Accumulated Amortization	1,662	1,583
Net Carrying Amount	5,441	6,084
Total intangibles assets, Gross Carrying Amount	8,927	9,491
Total identifiable intangible assets	7,265	7,908
Disposal Group, Held-for-sale, Not Discontinued Operations
Finite-Lived Intangible Assets [Line Items]
Intangibles reclassified as assets of disposal group held for sale	486
In-process research and development
Finite-Lived Intangible Assets [Line Items]
Indefinite-lived Intangibles	21	21
Trade names — corporate
Finite-Lived Intangible Assets [Line Items]
Indefinite-lived Intangibles	1,803	1,803
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	6,320	6,863
Accumulated Amortization	1,323	1,257
Net Carrying Amount	4,997	5,606
Developed technologies
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	634	653
Accumulated Amortization	273	261
Net Carrying Amount	361	392
Contract backlog
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	16	19
Accumulated Amortization	14	17
Net Carrying Amount	2	2
Trade names — corporate
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	130	129
Accumulated Amortization	49	45
Net Carrying Amount	81	84
Other
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	3	3
Accumulated Amortization	3	3
Net Carrying Amount	$ 0	$ 0