Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Nov. 29, 2020	Nov. 24, 2019	Nov. 29, 2020	Nov. 24, 2019
Net income
Pre-Tax Amount	$ 460.2	$ 345.6	$ 876.7	$ 508.4
Tax (Expense) Benefit	(80.7)	(84.1)	(167.4)	(72.6)
Net income	379.5	261.5	709.3	435.8
Unrealized derivative adjustments
Pre-Tax Amount	1.1	(1.1)	0.5	(2.7)
Tax (Expense) Benefit	(0.3)	0.3	(0.2)	0.7
After-Tax Amount	0.8	(0.8)	0.3	(2.0)
Reclassification for derivative adjustments included in net income
Pre-Tax Amount	(1.2)	(0.8)	(2.1)	(1.6)
Tax (Expense) Benefit	0.3	0.2	0.5	0.4
After-Tax Amount	(0.9)	(0.6)	(1.6)	(1.2)
Unrealized currency translation gains (losses)
Pre-Tax Amount	10.8	3.5	28.8	(8.7)
Tax (Expense) Benefit	(0.1)	0.0	(0.6)	0.6
After-Tax Amount	10.7	3.5	28.2	(8.1)
Unrealized pension and post-employment benefit obligations
Pre-Tax Amount			0.4	(14.8)
Tax (Expense) Benefit			(0.1)	3.7
After-Tax Amount			0.3	(11.1)
Reclassification for pension and post-employment benefit obligations included in net income
Pre-Tax Amount	(0.8)	(1.0)	(1.6)	(1.4)
Tax (Expense) Benefit	0.2	0.3	0.4	0.4
After-Tax Amount	(0.6)	(0.7)	(1.2)	(1.0)
Comprehensive income
Pre-Tax Amount	470.1	346.2	902.7	479.2
Tax (Expense) Benefit	(80.6)	(83.3)	(167.4)	(66.8)
After-Tax Amount	389.5	262.9	735.3	412.4
Comprehensive income (loss) attributable to noncontrolling interests
Pre-Tax Amount	0.0	0.9	3.3	(1.1)
Tax (Expense) Benefit	(0.1)	0.1	(0.4)	(0.1)
After-Tax Amount	(0.1)	1.0	2.9	(1.2)
Comprehensive income attributable to Conagra Brands, Inc.
Pre-Tax Amount	470.1	345.3	899.4	480.3
Tax (Expense) Benefit	(80.5)	(83.4)	(167.0)	(66.7)
After-Tax Amount	$ 389.6	$ 261.9	$ 732.4	$ 413.6