Acquisitions and Divestitures - Schedule of Preliminary Fair Values of the Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Millions	Dec. 30, 2022	Dec. 31, 2021	Jan. 01, 2021	May 04, 2020	Jan. 31, 2020
Business Acquisition [Line Items]
Goodwill	$ 6,696	$ 6,744	$ 6,313
SD&A Businesses
Business Acquisition [Line Items]
Current assets				$ 287
Intangible assets				355
Other assets				67
Current liabilities				(140)
Long-term liabilities				(97)
Total identifiable net assets acquired				472
Goodwill				574
Purchase price				$ 1,046
Dynetics
Business Acquisition [Line Items]
Current assets					$ 241
Intangible assets					528
Other assets					205
Current liabilities					(79)
Long-term liabilities					(24)
Total identifiable net assets acquired					871
Goodwill					789
Purchase price					$ 1,660