SEGMENTS - Reconciliation of EBITDA Defined by Segment to Consolidated Income from Continuing Operations Before Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 30, 2023	Dec. 31, 2022
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
EBITDA As Defined	$ 912	$ 699
Interest expense-net	300	286
Non-cash stock and deferred compensation expense	51	35
Refinancing costs	0	4
Other, net	(1)	(1)
Income from operations before income taxes	488	301
Operating Segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
EBITDA As Defined	957	727
Operating Segments | Power & Control
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
EBITDA As Defined	509	401
Operating Segments | Airframe
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
EBITDA As Defined	431	312
Operating Segments | Non-aviation
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
EBITDA As Defined	17	14
Corporate, Non-Segment
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
EBITDA As Defined	45	28
Segment Reconciling Items
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Depreciation and amortization expense	71	63
Interest expense-net	(300)	(286)
Acquisition and divestiture transaction-related expenses	2	3
Non-cash stock and deferred compensation expense	51	35
Refinancing costs	0	4
Other, net	$ 0	$ 7