Equity - Narrative (Details) - USD ($) shares in Millions, $ in Millions |
3 Months Ended | 6 Months Ended | ||||
|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2025 |
Dec. 31, 2024 |
Aug. 21, 2025 |
Oct. 22, 2014 |
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| Equity [Abstract] | ||||||
| Number of shares authorized for repurchase (in shares) | 20.0 | 35.0 | ||||
| Repurchased (in shares) | 0.1 | 0.1 | 0.7 | 0.2 | ||
| Shares purchased at cost | $ 75 | $ 50 | $ 550 | $ 100 | ||
| Number of shares available under repurchase authorization (in shares) | 19.3 | 19.3 | ||||
| X | ||||||||||
- Definition Number of shares authorized to be purchased under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Number of shares remaining authorized to be purchased under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership. No definition available.
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| X | ||||||||||
- Definition Number of shares that have been repurchased during the period and are being held in treasury. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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