Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Nov. 26, 2023	Nov. 27, 2022	Nov. 26, 2023	Nov. 27, 2022
Net income, pre-tax amount	$ 389.1	$ 504.7	$ 807.3	$ 441.6
Net income, tax (expense) benefit	(102.9)	(122.5)	(201.2)	(136.9)
Net income, after-tax amount	286.2	382.2	606.1	304.7
Unrealized derivative adjustments, pre-tax amount	3.2	9.7	7.3	7.4
Unrealized derivative adjustments, tax (expense) benefit	(0.8)	(2.4)	(1.8)	(1.8)
Unrealized derivative adjustments, after-tax amount	2.4	7.3	5.5	5.6
Reclassification for derivative adjustments included in net income, pre-tax amount	(2.1)	(1.0)	(4.1)	(1.6)
Reclassification for derivative adjustments included in net income, tax (expense) benefit	0.5	0.3	1.0	0.5
Reclassification for derivative adjustments included in net income, after-tax amount	(1.6)	(0.7)	(3.1)	(1.1)
Unrealized currency translation losses, pre-tax amount	(6.3)	(8.2)	4.3	(21.8)
Unrealized currency translation losses, tax (expense) benefit	0.0	0.0	0.0	0.0
Unrealized currency translation losses, after-tax amount	(6.3)	(8.2)	4.3	(21.8)
Unrealized pension and post-employment benefit obligations, pre-tax amount	(0.1)	(0.6)	0.1	1.6
Unrealized pension and post-employment benefit obligations, tax (expense) benefit	0.0	0.1	(0.1)	0.0
Unrealized pension and post-employment benefit obligations, after-tax amount	(0.1)	(0.5)	0.0	1.6
Reclassification for pension and post-employment benefit obligations included in net income (loss), pre-tax amount	(1.2)	(1.2)	(2.4)	(2.3)
Reclassification for pension and post-employment benefit obligations included in net income (loss), tax (expense) benefit	0.3	0.3	0.6	0.7
Reclassification for pension and post-employment benefit obligations included in net income (loss), after-tax amount	(0.9)	(0.9)	(1.8)	(1.6)
Comprehensive income, pre-tax amount	382.6	503.4	812.5	424.9
Comprehensive income, tax (expense) benefit	(102.9)	(124.2)	(201.5)	(137.5)
Comprehensive income, after-tax amount	279.7	379.2	611.0	287.4
Comprehensive loss attributable to noncontrolling interests, pre-tax amount	(0.6)	(1.4)	(0.5)	(3.5)
Comprehensive loss attributable to noncontrolling interests, tax (expense) benefit	(0.1)	(0.1)	(0.1)	(0.1)
Comprehensive loss attributable to noncontrolling interests, after-tax amount	(0.7)	(1.5)	(0.6)	(3.6)
Comprehensive income attributable to Conagra Brands, Inc.	383.2	504.8	813.0	428.4
Comprehensive income attributable to Conagra Brands, Inc.	(102.8)	(124.1)	(201.4)	(137.4)
Comprehensive income attributable to Conagra Brands, Inc.	$ 280.4	$ 380.7	$ 611.6	$ 291.0