v3.26.3
Stockholders' Equity - Schedule of Total Comprehensive Income (Loss) (Details) - USD ($)
$ in Millions
 3 Months Ended
Aug. 30, 2026
Aug. 24, 2025
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Net earnings, including earnings (loss) attributable to noncontrolling interests $ 398.1 $ 1,204.0
Net    
Net actuarial loss 0.0 (7.5)
Other comprehensive income (loss), net of tax 5.5 (55.0)
Total comprehensive income 403.6 1,149.0
General Mills    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Net earnings, including earnings (loss) attributable to noncontrolling interests 397.0 1,204.2
Pretax    
Other comprehensive income (loss) 18.5 (89.9)
Tax    
Other comprehensive income (loss) (13.1) 34.4
Net    
Other comprehensive income (loss), net of tax 5.4 (55.5)
Total comprehensive income 402.4 1,148.7
Foreign currency translation    
Pretax    
Other comprehensive (loss) income 0.2 (104.1)
Tax    
Other comprehensive (loss) income (8.6) 38.9
Net    
Other comprehensive (loss) income (8.4) (65.2)
Net actuarial loss    
Pretax    
Net actuarial loss 0.0 (7.5)
Tax    
Net actuarial loss 0.0 0.0
Net    
Net actuarial loss 0.0 (7.5)
Hedge derivatives    
Pretax    
Other comprehensive (loss) income 2.2 6.2
Reclassification to earnings 0.5 0.9
Tax    
Other comprehensive (loss) income (0.7) (1.2)
Reclassification to earnings 0.0 (0.1)
Net    
Other comprehensive (loss) income 1.5 5.0
Reclassification to earnings 0.5 0.8
Amortization of losses and prior service costs    
Pretax    
Reclassification to earnings 15.6 14.6
Tax    
Reclassification to earnings (3.8) (3.2)
Net    
Reclassification to earnings 11.8 11.4
Noncontrolling Interests    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Net earnings, including earnings (loss) attributable to noncontrolling interests 1.1 (0.2)
Net    
Other comprehensive income (loss), net of tax 0.1 0.5
Total comprehensive income 1.2 0.3
Foreign currency translation    
Net    
Other comprehensive (loss) income 0.1 0.5
Net actuarial loss    
Net    
Net actuarial loss 0.0 0.0
Hedge derivatives    
Net    
Other comprehensive (loss) income 0.0 0.0
Reclassification to earnings 0.0 0.0
Amortization of losses and prior service costs    
Net    
Reclassification to earnings $ 0.0 $ 0.0