Equity Items - Summary of Reconciliation of Changes in Stockholders' Equity (Parenthetical) (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Equity [Abstract] | ||||
| Common shares issued | 5,593 | 11,423 | 83,605 | 139,824 |
| Stock based compensation employee withholding taxes | $ 0 | $ 0 | $ 1 | $ 4 |
| Number of shares repurchased | 0 | 0 | 0 | 1,541,320 |
| Excise tax on stock repurchases | $ 0 | $ 0 | $ 0 | $ 1 |
| Common shares repurchased, value | $ 100 | |||
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- Definition Excise tax on stock repurchases. No definition available.
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- Definition Reconciliation of changes in stockholders equity stock issued during period shares new issues. No definition available.
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- References No definition available.
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- Definition Amount of cash outflow to satisfy grantee's tax withholding obligation for award under share-based payment arrangement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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