Goodwill and Other Intangible Assets - Other Intangible Assets (Details) - USD ($) $ in Millions	Sep. 30, 2023	Sep. 30, 2022
Definite-lived intangible assets
Gross Carrying Amount	$ 5,511	$ 5,441
Accumulated Amortization	(2,737)	(2,493)
Net	2,774	2,948
Indefinite-lived intangible assets
Gross Carrying Amount	7,625	7,648
Net	4,888	5,155
Trademarks/tradenames
Indefinite-lived intangible assets
Gross Carrying Amount	2,114	2,207
Technology
Definite-lived intangible assets
Gross Carrying Amount	1,575	1,481
Accumulated Amortization	(806)	(728)
Net	769	753
Customer relationships
Definite-lived intangible assets
Gross Carrying Amount	3,047	3,011
Accumulated Amortization	(1,496)	(1,340)
Net	1,551	1,671
Miscellaneous
Definite-lived intangible assets
Gross Carrying Amount	889	949
Accumulated Amortization	(435)	(425)
Net	$ 454	$ 524

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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