Note 16 Unrecognized Stock-based Compensation Expense (Details) - Restricted stock units $ in Millions	12 Months Ended
Sep. 30, 2023 USD ($)
Unrecognized Compensation Cost [Line Items]
Unrecognized Compensation Expense	$ 68
Weighted Average Period of Recognition (Years)	1 year 1 month 6 days

Unrecognized Compensation Cost and Weighted Average Period [Line Items]

No definition available.

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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (i)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

+ Details

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- Definition

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

+ Details

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