SHARE-BASED AND OTHER COMPENSATION, Restricted Stock Award, Expense and Income Tax Benefits (Details) - Employees and Directors - Restricted Stock - 2012 Stock Incentive Plan - USD ($) $ in Millions	12 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSU share-based compensation amortization	$ 179	$ 126	$ 110
Income tax benefits related to share-based expense	$ 41	$ 29	$ 25

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

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