Condensed Consolidated Statements of Earnings (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Nov. 25, 2012	Nov. 27, 2011	Nov. 25, 2012	Nov. 27, 2011
Net sales	$ 3,735.5	$ 3,431.7	$ 7,047.4	$ 6,537.0
Costs and expenses:
Cost of goods sold	2,872.6	2,677.7	5,313.2	5,187.0
Selling, general and administrative expenses	496.7	438.9	950.6	845.5
Interest expense, net	53.4	50.6	102.7	103.5
Income from continuing operations before income taxes and equity method investment earnings	312.8	264.5	680.9	401.0
Income tax expense	109.1	92.9	232.6	141.6
Equity method investment earnings	12.8	11.5	20.4	17.7
Income from continuing operations	216.5	183.1	468.7	277.1
Income from discontinued operations, net of tax				0.1
Net income	216.5	183.1	468.7	277.2
Less: Net income attributable to noncontrolling interests	4.9	2.9	7.0	3.2
Net income attributable to ConAgra Foods, Inc.	$ 211.6	$ 180.2	$ 461.7	$ 274.0
Earnings per share - basic
Income from continuing operations attributable to ConAgra Foods, Inc. common stockholders	$ 0.52	$ 0.43	$ 1.13	$ 0.66
Income from discontinued operations attributable to ConAgra Foods, Inc. common stockholders
Net income attributable to ConAgra Foods, Inc. common stockholders	$ 0.52	$ 0.43	$ 1.13	$ 0.66
Earnings per share - diluted
Income from continuing operations attributable to ConAgra Foods, Inc. common stockholders	$ 0.51	$ 0.43	$ 1.12	$ 0.65
Income from discontinued operations attributable to ConAgra Foods, Inc. common stockholders
Net income attributable to ConAgra Foods, Inc. common stockholders	$ 0.51	$ 0.43	$ 1.12	$ 0.65
Cash dividends declared per common share	$ 0.25	$ 0.24	$ 0.49	$ 0.47