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Stock Repurchases - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions | 9 Months Ended | 175 Months Ended |
--- | --- | --- | ---
Apr. 30, 2026 | Apr. 30, 2025 | Apr. 30, 2026 | Sep. 22, 2011
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |
Common stock authorized for repurchase (in shares) |  |  |  | 784,000,000
Stock Repurchase Program 2011 |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |
Stock repurchase program additional number of shares authorized approved (in shares) |  |  |  | 320,000,000
Shares repurchased (in shares) | 43,433,164 | 0 | 502,000,000 |
Number of shares available for repurchase under stock repurchase program (in shares) | 282,000,000 |  | 282,000,000 |
Shares repurchased | $ 1,632.5 |  |  |
Weighted average price repurchases of common shares | $ 37.63 |  |  |

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