CONSOLIDATED BALANCE SHEETS (Parenthetical) $ in Millions |
Apr. 30, 2026
USD ($)
$ / shares
shares
|
Apr. 30, 2025
USD ($)
$ / shares
shares
|
|---|---|---|
| Statement of Financial Position [Abstract] | ||
| Accounts receivable, net of allowance | $ | $ 105 | $ 102 |
| Common stock, par value (in pound and dollars per share) | (per share) | $ 0.01 | $ 0.18 |
| Common stock, shares authorized (in shares) | 413,965,587 | 451,354,833 |
| Common stock, shares issued (in shares) | 413,965,587 | 451,354,833 |
| Common stock, shares outstanding (in shares) | 410,272,086 | 430,708,216 |
| Treasury stock at cost (in shares) | 3,693,501 | 20,111,957 |
| Common stock held by the ESOT (in shares) | 0 | 534,660 |
| X | ||||||||||
- Definition Amount of allowance for credit loss on accounts receivable, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Face amount or stated value per share of common stock. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The maximum number of common shares permitted to be issued by an entity's charter and bylaws. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Number of common stock held in a trust that has been set up specifically to accumulate stock for the sole purpose of distribution to participating employees but not yet earned. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Number of previously issued common shares repurchased by the issuing entity and held in treasury. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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