Goodwill and Intangible Assets (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 30, 2022	Dec. 31, 2021	Jan. 01, 2021
Indefinite-lived Intangible Assets [Line Items]
Goodwill	$ 6,696,000,000	$ 6,744,000,000	$ 6,313,000,000
Goodwill impairments	0	0	0
Amortization of intangible assets	230,000,000	228,000,000	198,000,000
Impairment of intangible assets,	0
Security Products
Indefinite-lived Intangible Assets [Line Items]
Goodwill	$ 899,000,000
Reporting unit, percentage of fair value in excess of carrying amount	13.00%
Defense Solutions
Indefinite-lived Intangible Assets [Line Items]
Goodwill	$ 3,664,000,000	3,681,000,000	3,300,000,000
Amortization of intangible assets	130,000,000	121,000,000	92,000,000
Civil
Indefinite-lived Intangible Assets [Line Items]
Goodwill	2,066,000,000	2,097,000,000	2,047,000,000
Amortization of intangible assets	$ 70,000,000	73,000,000	$ 66,000,000
Civil | Security Products
Indefinite-lived Intangible Assets [Line Items]
Goodwill		$ 926,000,000