INTANGIBLE ASSETS - Intangible Assets Subject to Amortization (Details) - USD ($) $ in Millions	Dec. 28, 2019	Sep. 30, 2019
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross (Excluding Goodwill)	$ 3,351	$ 3,324
Intangible Assets, Accumulated Amortization	614	580
Total	2,737	2,744
Technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,840	1,806
Accumulated Amortization	519	496
Net	1,321	1,310
Order backlog
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	93	107
Accumulated Amortization	51	45
Net	42	62
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	443	438
Accumulated Amortization	35	30
Net	408	408
Other
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	18	17
Accumulated Amortization	9	9
Net	9	8
Trademarks and trade names
Finite-Lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets (Excluding Goodwill), Gross	957	956
Indefinite-Lived Intangible Assets, Accumulated Amortization	0	0
Intangible Assets (Excluding Goodwill), Net	$ 957	$ 956