v3.26.1
BUSINESS SEGMENT AND GEOGRAPHIC INFORMATION - Schedule of Net Sales by Class of Similar Products (Details) - USD ($)
$ 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
Segment Reporting Information [Line Items]                      
Net sales $ 4,609.6 $ 4,436.7 $ 4,860.8 $ 4,517.5 $ 4,556.2 $ 4,842.2 $ 5,240.1 $ 4,848.1 $ 18,424.6 $ 19,486.6 $ 19,857.2
Snacks                      
Segment Reporting Information [Line Items]                      
Net sales                 4,138.5 4,187.4 4,327.3
Cereal                      
Segment Reporting Information [Line Items]                      
Net sales                 3,089.7 3,078.6 3,187.5
Convenient meals                      
Segment Reporting Information [Line Items]                      
Net sales                 2,870.9 2,816.1 2,906.5
Pet                      
Segment Reporting Information [Line Items]                      
Net sales                 2,766.4 2,585.8 2,382.7
Dough                      
Segment Reporting Information [Line Items]                      
Net sales                 2,396.0 2,384.2 2,423.6
Baking mixes and ingredients                      
Segment Reporting Information [Line Items]                      
Net sales                 1,926.1 1,940.2 1,996.0
Yogurt                      
Segment Reporting Information [Line Items]                      
Net sales                 102.0 1,391.6 1,482.5
Super-premium ice cream                      
Segment Reporting Information [Line Items]                      
Net sales                 782.7 721.6 728.7
Other                      
Segment Reporting Information [Line Items]                      
Net sales                 $ 352.3 $ 381.1 $ 422.4