EARNINGS PER SHARE - Schedule of Basic and Diluted EPS (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
May 31, 2026 |
Feb. 22, 2026 |
Nov. 23, 2025 |
Aug. 24, 2025 |
May 25, 2025 |
Feb. 23, 2025 |
Nov. 24, 2024 |
Aug. 25, 2024 |
May 31, 2026 |
May 25, 2025 |
May 26, 2024 |
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| Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] | |||||||||||
| Net (loss) earnings attributable to General Mills - as reported | $ (2,007.9) | $ 303.1 | $ 413.0 | $ 1,204.2 | $ 294.0 | $ 625.6 | $ 795.7 | $ 579.9 | $ (87.6) | $ 2,295.2 | $ 2,496.6 |
| Capital appreciation paid on Class A Interests in GMC | $ (252.8) | 0.0 | (10.5) | 0.0 | |||||||
| Net (loss) earnings for EPS calculation | $ (87.6) | $ 2,284.7 | $ 2,496.6 | ||||||||
| Average number of common shares – basic EPS (in shares) | 537.7 | 554.5 | 575.5 | ||||||||
| Incremental share effect from: | |||||||||||
| Average number of common shares - diluted EPS (in shares) | 537.7 | 557.5 | 579.5 | ||||||||
| (Loss) earnings per share — basic (in usd per share) | $ (3.74) | $ 0.57 | $ 0.78 | $ 2.22 | $ 0.53 | $ 1.14 | $ 1.43 | $ 1.03 | $ (0.16) | $ 4.12 | $ 4.34 |
| (Loss) earnings per share – diluted (in usd per share) | $ (3.74) | $ 0.56 | $ 0.78 | $ 2.22 | $ 0.53 | $ 1.12 | $ 1.42 | $ 1.03 | $ (0.16) | $ 4.10 | $ 4.31 |
| Stock options | |||||||||||
| Incremental share effect from: | |||||||||||
| Incremental share effect (in shares) | 0.0 | 1.2 | 1.8 | ||||||||
| Restricted stock units and performance share units | |||||||||||
| Incremental share effect from: | |||||||||||
| Incremental share effect (in shares) | 0.0 | 1.8 | 2.2 | ||||||||
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- Definition Net Earnings For Earnings Per Share Calculation No definition available.
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- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Decrease in noncontrolling interest (for example, but not limited to, redeeming or purchasing the interests of noncontrolling shareholders, issuance of shares (interests) by the non-wholly owned subsidiary to the parent entity for other than cash, and a buyback of shares (interest) by the non-wholly owned subsidiary from the noncontrolling interests). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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