Goodwill and Other Intangible Assets - Additional Information (Details) - USD ($)	3 Months Ended				6 Months Ended	9 Months Ended
	Oct. 02, 2020	Jul. 03, 2020	Apr. 03, 2020	Sep. 27, 2019	Jul. 03, 2020	Oct. 02, 2020	Sep. 27, 2019
Finite-Lived Intangible Assets [Line Items]
Non-cash goodwill impairment charge				$ 0		$ 369,000,000
Impairment of long-lived assets		$ 0
Amortization expense for intangible assets	$ 179,000,000			$ 125,000,000		546,000,000	$ 181,000,000
Aviation Systems
Finite-Lived Intangible Assets [Line Items]
Non-cash goodwill impairment charge						$ 364,000,000
Other AS Disposal Groups | Disposal Group, Held-for-sale, Not Discontinued Operations | Aviation Systems
Finite-Lived Intangible Assets [Line Items]
Goodwill assigned to disposal group		14,000,000			$ 14,000,000
Commercial Aviation Solutions
Finite-Lived Intangible Assets [Line Items]
Non-cash goodwill impairment charge		54,000,000
Goodwill impairment loss attributable to noncontrolling interests		8,000,000
Impairment of long-lived assets			$ 0
Commercial Aviation Solutions | COVID-19
Finite-Lived Intangible Assets [Line Items]
Non-cash goodwill impairment charge			296,000,000
Goodwill impairment loss attributable to noncontrolling interests			$ 28,000,000
Aviation Systems | Other AS Disposal Groups | Disposal Group, Held-for-sale, Not Discontinued Operations
Finite-Lived Intangible Assets [Line Items]
Non-cash goodwill impairment charge		$ 14,000,000			$ 14,000,000