NONCONTROLLING INTERESTS (Details) - USD ($) $ in Millions |
3 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|
May 25, 2025 |
May 31, 2026 |
May 25, 2025 |
May 26, 2024 |
Jun. 01, 2024 |
|
| Noncontrolling Interest [Line Items] | |||||
| Repurchase of Class A limited membership interests in General Mills Cereals, LLC | $ 252.8 | $ 0.0 | $ 10.5 | $ 0.0 | |
| General Mills Cereals LLC | Third-Party Holder | |||||
| Noncontrolling Interest [Line Items] | |||||
| Repurchase of Class A limited membership interests in General Mills Cereals, LLC | 252.8 | ||||
| Third-Party Holder | General Mills Cereals LLC | |||||
| Noncontrolling Interest [Line Items] | |||||
| Preferred distributions, basis spread on variable rate | 2.61% | ||||
| Original Capital Account Balance | |||||
| Noncontrolling Interest [Line Items] | |||||
| Repurchase of Class A limited membership interests in General Mills Cereals, LLC | 242.3 | ||||
| Capital Account Appreciation | |||||
| Noncontrolling Interest [Line Items] | |||||
| Repurchase of Class A limited membership interests in General Mills Cereals, LLC | $ 10.5 | ||||