Consolidated Statements of Earnings (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	May 26, 2013	May 27, 2012	May 29, 2011
Net sales	$ 15,491.4	$ 13,367.9	$ 12,386.1
Costs and expenses:
Cost of goods sold	11,931.4	10,555.1	9,483.5
Selling, general and administrative expenses	2,135.6	1,983.6	1,499.0
Interest expense, net	275.6	204.0	177.5
Income from continuing operations before income taxes and equity method investment earnings	1,148.8	625.2	1,226.1
Income tax expense	400.2	195.8	421.6
Equity method investment earnings	37.5	44.9	26.4
Income from continuing operations	786.1	474.3	830.9
Income (loss) from discontinued operations, net of tax	0	0.1	(11.5)
Net income	786.1	474.4	819.4
Less: Net income attributable to noncontrolling interests	12.2	6.5	1.8
Net income attributable to ConAgra Foods, Inc.	$ 773.9	$ 467.9	$ 817.6
Earnings per share - basic
Income from continuing operations attributable to ConAgra Foods, Inc. common stockholders (Dollars Per Share)	$ 1.88	$ 1.13	$ 1.92
Loss from discontinued operations attributable to ConAgra Foods, Inc. common stockholders (Dollars Per Share)	$ 0.00	$ 0.00	$ (0.02)
Net income attributable to ConAgra Foods, Inc. common stockholders (Dollars Per Share)	$ 1.88	$ 1.13	$ 1.90
Earnings per share - diluted
Income from continuing operations attributable to ConAgra Foods, Inc. common stockholders (Dollars Per Share)	$ 1.85	$ 1.12	$ 1.90
Loss from discontinued operations attributable to ConAgra Foods, Inc. common stockholders (Dollars Per Share)	$ 0.00	$ 0.00	$ (0.02)
Net income attributable to ConAgra Foods, Inc. common stockholders (Dollars Per Share)	$ 1.85	$ 1.12	$ 1.88