Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Feb. 24, 2019	Feb. 25, 2018	Feb. 24, 2019	Feb. 25, 2018
Net income
Pre-Tax Amount	$ 309.8	$ 257.8	$ 703.0	$ 865.2
Tax (Expense) Benefit	(67.2)	105.9	(149.8)	(123.7)
Net income	242.6	363.7	553.2	741.5
Unrealized derivative adjustments
Pre-Tax Amount	(1.8)	1.2	46.2	2.2
Tax (Expense) Benefit	0.4	(0.3)	(11.6)	(0.7)
After-Tax Amount	(1.4)	0.9	34.6	1.5
Reclassification for derivative adjustments included in net income
Pre-Tax Amount	(0.9)	0.0	(1.1)	0.1
Tax (Expense) Benefit	0.3	0.0	0.3	0.0
After-Tax Amount	(0.6)	0.0	(0.8)	0.1
Unrealized gains on available-for-sale securities
Pre-Tax Amount	0.0	0.7	0.0	1.4
Tax (Expense) Benefit	0.0	(0.1)	0.0	(0.4)
After-Tax Amount	0.0	0.6	0.0	1.0
Unrealized currency translation gains (losses)
Pre-Tax Amount	7.4	5.1	(11.3)	25.0
Tax (Expense) Benefit	0.0	(0.1)	0.0	(0.1)
After-Tax Amount	7.4	5.0	(11.3)	24.9
Unrealized pension and post-employment benefit obligations
Pre-Tax Amount			(0.4)	43.5
Tax (Expense) Benefit			0.0	(16.6)
After-Tax Amount			(0.4)	26.9
Reclassification for pension and post-employment benefit obligations included in net income
Pre-Tax Amount	(0.1)	(0.1)	(0.5)	(0.4)
Tax (Expense) Benefit	0.0	0.0	0.1	0.1
After-Tax Amount	(0.1)	(0.1)	(0.4)	(0.3)
Comprehensive income
Pre-Tax Amount	314.4	264.7	735.9	937.0
Tax (Expense) Benefit	(66.5)	105.4	(161.0)	(141.4)
After-Tax Amount	247.9	370.1	574.9	795.6
Comprehensive income attributable to noncontrolling interests
Pre-Tax Amount	0.4	0.5	(1.4)	2.9
Tax (Expense) Benefit	(0.3)	(0.3)	(0.9)	(0.9)
After-Tax Amount	0.1	0.2	(2.3)	2.0
Comprehensive income attributable to Conagra Brands, Inc.
Pre-Tax Amount	314.0	264.2	737.3	934.1
Tax (Expense) Benefit	(66.2)	105.7	(160.1)	(140.5)
After-Tax Amount	$ 247.8	$ 369.9	$ 577.2	$ 793.6