INTANGIBLE ASSETS - Summary of Changes in Carrying Value of Goodwill (by Segment) (Details)	3 Months Ended
	Dec. 30, 2023 USD ($)
Goodwill [Roll Forward]
Balance at September 30, 2023	$ 8,988,000,000
Goodwill acquired during the period	6,000,000
Purchase price allocation adjustments	1,000,000
Currency translation adjustments and other	41,000,000
Balance at December 30, 2023	9,036,000,000
Power & Control
Goodwill [Roll Forward]
Balance at September 30, 2023	4,194,000,000
Goodwill acquired during the period	6,000,000
Purchase price allocation adjustments	0
Currency translation adjustments and other	22,000,000
Balance at December 30, 2023	4,222,000,000
Airframe
Goodwill [Roll Forward]
Balance at September 30, 2023	4,701,000,000
Goodwill acquired during the period	0
Purchase price allocation adjustments	1,000,000
Currency translation adjustments and other	19,000,000
Balance at December 30, 2023	4,721,000,000
Non-aviation
Goodwill [Roll Forward]
Balance at September 30, 2023	93,000,000
Goodwill acquired during the period	0
Purchase price allocation adjustments	0
Currency translation adjustments and other	0
Balance at December 30, 2023	$ 93,000,000