RESTRUCTURING ACTIVITIES - Schedule of Pre-Tax Expenses in Association with the Restructuring Plan (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended		22 Months Ended	24 Months Ended
	Nov. 29, 2020	Nov. 24, 2019	Nov. 29, 2020	Nov. 24, 2019	Nov. 29, 2020	Nov. 29, 2020
Pinnacle Integration Restructuring Plan
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	$ 360.0		$ 360.0		$ 360.0	$ 360.0
Recognized pre-tax expenses	10.2	$ 16.2	18.8	$ 43.9		260.8
Pinnacle Integration Restructuring Plan | Accelerated depreciation
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	14.7		14.7		14.7	14.7
Recognized pre-tax expenses	0.8		1.4			4.1
Pinnacle Integration Restructuring Plan | Other cost of goods sold
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	12.2		12.2		12.2	12.2
Recognized pre-tax expenses	0.2		0.7			4.7
Pinnacle Integration Restructuring Plan | Total cost of goods sold
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	26.9		26.9		26.9	26.9
Recognized pre-tax expenses	1.0		2.1			8.8
Pinnacle Integration Restructuring Plan | Severance and related costs
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	119.5		119.5		119.5	119.5
Recognized pre-tax expenses	(0.7)		(1.4)			119.5
Pinnacle Integration Restructuring Plan | Asset impairment (net of gains on disposal)
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	38.7		38.7		38.7	38.7
Recognized pre-tax expenses	0.1		(0.2)			6.7
Pinnacle Integration Restructuring Plan | Accelerated depreciation
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	7.4		7.4		7.4	7.4
Recognized pre-tax expenses						7.4
Pinnacle Integration Restructuring Plan | Contract/lease termination
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	30.1		30.1		30.1	30.1
Recognized pre-tax expenses	2.2		2.4			18.3
Pinnacle Integration Restructuring Plan | Consulting/professional fees
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	104.8		104.8		104.8	104.8
Recognized pre-tax expenses	5.2		11.7			80.0
Pinnacle Integration Restructuring Plan | Other selling, general and administrative expenses
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	32.6		32.6		32.6	32.6
Recognized pre-tax expenses	2.4		4.2			20.1
Pinnacle Integration Restructuring Plan | Selling, general and administrative expenses
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	333.1		333.1		333.1	333.1
Recognized pre-tax expenses	9.2		16.7			252.0
Pinnacle Integration Restructuring Plan | Reporting segments | Grocery & Snacks
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	60.4		60.4		60.4	60.4
Recognized pre-tax expenses	4.5		5.4			8.2
Pinnacle Integration Restructuring Plan | Reporting segments | Refrigerated & Frozen
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	30.3		30.3		30.3	30.3
Recognized pre-tax expenses	0.5		2.2			14.0
Pinnacle Integration Restructuring Plan | Reporting segments | International
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	4.1		4.1		4.1	4.1
Recognized pre-tax expenses						4.1
Pinnacle Integration Restructuring Plan | Reporting segments | Accelerated depreciation | Grocery & Snacks
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	8.7		8.7		8.7	8.7
Recognized pre-tax expenses	0.0		0.0			0.6
Pinnacle Integration Restructuring Plan | Reporting segments | Accelerated depreciation | Refrigerated & Frozen
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	6.0		6.0		6.0	6.0
Recognized pre-tax expenses	0.8		1.4			3.5
Pinnacle Integration Restructuring Plan | Reporting segments | Accelerated depreciation | International
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	0.0		0.0		0.0	0.0
Recognized pre-tax expenses						0.0
Pinnacle Integration Restructuring Plan | Reporting segments | Other cost of goods sold | Grocery & Snacks
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	4.3		4.3		4.3	4.3
Recognized pre-tax expenses	0.0		0.5			2.3
Pinnacle Integration Restructuring Plan | Reporting segments | Other cost of goods sold | Refrigerated & Frozen
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	7.2		7.2		7.2	7.2
Recognized pre-tax expenses	0.2		0.2			1.7
Pinnacle Integration Restructuring Plan | Reporting segments | Other cost of goods sold | International
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	0.7		0.7		0.7	0.7
Recognized pre-tax expenses						0.7
Pinnacle Integration Restructuring Plan | Reporting segments | Total cost of goods sold | Grocery & Snacks
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	13.0		13.0		13.0	13.0
Recognized pre-tax expenses	0.0		0.5			2.9
Pinnacle Integration Restructuring Plan | Reporting segments | Total cost of goods sold | Refrigerated & Frozen
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	13.2		13.2		13.2	13.2
Recognized pre-tax expenses	1.0		1.6			5.2
Pinnacle Integration Restructuring Plan | Reporting segments | Total cost of goods sold | International
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	0.7		0.7		0.7	0.7
Recognized pre-tax expenses						0.7
Pinnacle Integration Restructuring Plan | Reporting segments | Severance and related costs | Grocery & Snacks
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	0.0		0.0		0.0	0.0
Recognized pre-tax expenses	0.0		0.0			0.0
Pinnacle Integration Restructuring Plan | Reporting segments | Severance and related costs | Refrigerated & Frozen
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	4.4		4.4		4.4	4.4
Recognized pre-tax expenses	0.0		0.1			4.4
Pinnacle Integration Restructuring Plan | Reporting segments | Severance and related costs | International
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	1.5		1.5		1.5	1.5
Recognized pre-tax expenses						1.5
Pinnacle Integration Restructuring Plan | Reporting segments | Asset impairment (net of gains on disposal) | Grocery & Snacks
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	32.3		32.3		32.3	32.3
Recognized pre-tax expenses	0.1		0.1			0.3
Pinnacle Integration Restructuring Plan | Reporting segments | Asset impairment (net of gains on disposal) | Refrigerated & Frozen
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	3.8		3.8		3.8	3.8
Recognized pre-tax expenses	0.0		0.0			3.8
Pinnacle Integration Restructuring Plan | Reporting segments | Asset impairment (net of gains on disposal) | International
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	0.0		0.0		0.0	0.0
Recognized pre-tax expenses						0.0
Pinnacle Integration Restructuring Plan | Reporting segments | Accelerated depreciation | Grocery & Snacks
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	0.0		0.0		0.0	0.0
Recognized pre-tax expenses						0.0
Pinnacle Integration Restructuring Plan | Reporting segments | Accelerated depreciation | Refrigerated & Frozen
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	0.0		0.0		0.0	0.0
Recognized pre-tax expenses						0.0
Pinnacle Integration Restructuring Plan | Reporting segments | Accelerated depreciation | International
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	0.0		0.0		0.0	0.0
Recognized pre-tax expenses						0.0
Pinnacle Integration Restructuring Plan | Reporting segments | Contract/lease termination | Grocery & Snacks
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	8.3		8.3		8.3	8.3
Recognized pre-tax expenses	1.8		1.8			1.8
Pinnacle Integration Restructuring Plan | Reporting segments | Contract/lease termination | Refrigerated & Frozen
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	4.7		4.7		4.7	4.7
Recognized pre-tax expenses	0.0		0.0			0.0
Pinnacle Integration Restructuring Plan | Reporting segments | Contract/lease termination | International
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	0.8		0.8		0.8	0.8
Recognized pre-tax expenses						0.8
Pinnacle Integration Restructuring Plan | Reporting segments | Consulting/professional fees | Grocery & Snacks
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	1.0		1.0		1.0	1.0
Recognized pre-tax expenses	0.1		0.4			0.6
Pinnacle Integration Restructuring Plan | Reporting segments | Consulting/professional fees | Refrigerated & Frozen
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	0.0		0.0		0.0	0.0
Recognized pre-tax expenses	0.0		0.0			0.0
Pinnacle Integration Restructuring Plan | Reporting segments | Consulting/professional fees | International
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	0.8		0.8		0.8	0.8
Recognized pre-tax expenses						0.8
Pinnacle Integration Restructuring Plan | Reporting segments | Other selling, general and administrative expenses | Grocery & Snacks
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	5.8		5.8		5.8	5.8
Recognized pre-tax expenses	2.5		2.6			2.6
Pinnacle Integration Restructuring Plan | Reporting segments | Other selling, general and administrative expenses | Refrigerated & Frozen
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	4.2		4.2		4.2	4.2
Recognized pre-tax expenses	(0.5)		0.5			0.6
Pinnacle Integration Restructuring Plan | Reporting segments | Other selling, general and administrative expenses | International
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	0.3		0.3		0.3	0.3
Recognized pre-tax expenses						0.3
Pinnacle Integration Restructuring Plan | Reporting segments | Selling, general and administrative expenses | Grocery & Snacks
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	47.4		47.4		47.4	47.4
Recognized pre-tax expenses	4.5		4.9			5.3
Pinnacle Integration Restructuring Plan | Reporting segments | Selling, general and administrative expenses | Refrigerated & Frozen
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	17.1		17.1		17.1	17.1
Recognized pre-tax expenses	(0.5)		0.6			8.8
Pinnacle Integration Restructuring Plan | Reporting segments | Selling, general and administrative expenses | International
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	3.4		3.4		3.4	3.4
Recognized pre-tax expenses						3.4
Pinnacle Integration Restructuring Plan | Corporate
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	265.2		265.2		265.2	265.2
Recognized pre-tax expenses	5.2		11.2			234.5
Pinnacle Integration Restructuring Plan | Corporate | Accelerated depreciation
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	0.0		0.0		0.0	0.0
Recognized pre-tax expenses	0.0		0.0			0.0
Pinnacle Integration Restructuring Plan | Corporate | Other cost of goods sold
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	0.0		0.0		0.0	0.0
Recognized pre-tax expenses	0.0		0.0			0.0
Pinnacle Integration Restructuring Plan | Corporate | Total cost of goods sold
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	0.0		0.0		0.0	0.0
Recognized pre-tax expenses	0.0		0.0			0.0
Pinnacle Integration Restructuring Plan | Corporate | Severance and related costs
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	113.6		113.6		113.6	113.6
Recognized pre-tax expenses	(0.7)		(1.5)			113.6
Pinnacle Integration Restructuring Plan | Corporate | Asset impairment (net of gains on disposal)
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	2.6		2.6		2.6	2.6
Recognized pre-tax expenses	0.0		(0.3)			2.6
Pinnacle Integration Restructuring Plan | Corporate | Accelerated depreciation
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	7.4		7.4		7.4	7.4
Recognized pre-tax expenses						7.4
Pinnacle Integration Restructuring Plan | Corporate | Contract/lease termination
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	16.3		16.3		16.3	16.3
Recognized pre-tax expenses	0.4		0.6			15.7
Pinnacle Integration Restructuring Plan | Corporate | Consulting/professional fees
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	103.0		103.0		103.0	103.0
Recognized pre-tax expenses	5.1		11.3			78.6
Pinnacle Integration Restructuring Plan | Corporate | Other selling, general and administrative expenses
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	22.3		22.3		22.3	22.3
Recognized pre-tax expenses	0.4		1.1			16.6
Pinnacle Integration Restructuring Plan | Corporate | Selling, general and administrative expenses
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	265.2		265.2		265.2	265.2
Recognized pre-tax expenses	5.2		11.2			234.5
Conagra Restructuring Plan
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	156.2		156.2		156.2	156.2
Recognized pre-tax expenses	10.5	$ 19.6	27.8	$ 40.7	94.4
Conagra Restructuring Plan | Other cost of goods sold
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	11.0		11.0		11.0	11.0
Recognized pre-tax expenses			2.3		5.0
Conagra Restructuring Plan | Total cost of goods sold
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	93.4		93.4		93.4	93.4
Recognized pre-tax expenses	8.5		17.8		48.8
Conagra Restructuring Plan | Severance and related costs
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	16.5		16.5		16.5	16.5
Recognized pre-tax expenses	1.0		4.3		12.7
Conagra Restructuring Plan | Asset impairment (net of gains on disposal)
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	28.4		28.4		28.4	28.4
Recognized pre-tax expenses	0.1		3.1		28.4
Conagra Restructuring Plan | Accelerated depreciation
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	82.4		82.4		82.4	82.4
Recognized pre-tax expenses	8.5		15.5		43.8
Conagra Restructuring Plan | Contract/lease termination
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	0.3		0.3		0.3	0.3
Recognized pre-tax expenses					0.1
Conagra Restructuring Plan | Consulting/professional fees
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	1.1		1.1		1.1	1.1
Conagra Restructuring Plan | Other selling, general and administrative expenses
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	15.9		15.9		15.9	15.9
Recognized pre-tax expenses	0.9		2.6		3.8
Conagra Restructuring Plan | Selling, general and administrative expenses
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	62.2		62.2		62.2	62.2
Recognized pre-tax expenses	2.0		10.0		45.0
Conagra Restructuring Plan | Total
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	155.6		155.6		155.6	155.6
Recognized pre-tax expenses	10.5		27.8		93.8
Conagra Restructuring Plan | Pension And Postretirement Nonservice Cost Income
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	0.6		0.6		0.6	0.6
Recognized pre-tax expenses					0.6
Conagra Restructuring Plan | Reporting segments | Other cost of goods sold | Grocery & Snacks
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	8.9		8.9		8.9	8.9
Recognized pre-tax expenses			2.3		4.8
Conagra Restructuring Plan | Reporting segments | Other cost of goods sold | Refrigerated & Frozen
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	2.1		2.1		2.1	2.1
Recognized pre-tax expenses			0.0		0.2
Conagra Restructuring Plan | Reporting segments | Other cost of goods sold | International
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	0.0		0.0		0.0	0.0
Recognized pre-tax expenses			0.0		0.0
Conagra Restructuring Plan | Reporting segments | Total cost of goods sold | Grocery & Snacks
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	45.9		45.9		45.9	45.9
Recognized pre-tax expenses	1.9		7.2		33.8
Conagra Restructuring Plan | Reporting segments | Total cost of goods sold | Refrigerated & Frozen
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	47.5		47.5		47.5	47.5
Recognized pre-tax expenses	6.6		10.6		15.0
Conagra Restructuring Plan | Reporting segments | Total cost of goods sold | International
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	0.0		0.0		0.0	0.0
Recognized pre-tax expenses			0.0		0.0
Conagra Restructuring Plan | Reporting segments | Severance and related costs | Grocery & Snacks
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	12.1		12.1		12.1	12.1
Recognized pre-tax expenses	0.5		3.6		8.3
Conagra Restructuring Plan | Reporting segments | Severance and related costs | Refrigerated & Frozen
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	1.8		1.8		1.8	1.8
Recognized pre-tax expenses	0.0		0.0		1.8
Conagra Restructuring Plan | Reporting segments | Severance and related costs | International
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	1.1		1.1		1.1	1.1
Recognized pre-tax expenses			(0.1)		1.1
Conagra Restructuring Plan | Reporting segments | Asset impairment (net of gains on disposal) | Grocery & Snacks
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	28.0		28.0		28.0	28.0
Recognized pre-tax expenses	0.0		3.0		28.0
Conagra Restructuring Plan | Reporting segments | Asset impairment (net of gains on disposal) | Refrigerated & Frozen
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	0.3		0.3		0.3	0.3
Recognized pre-tax expenses	0.1		0.1		0.3
Conagra Restructuring Plan | Reporting segments | Asset impairment (net of gains on disposal) | International
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	0.1		0.1		0.1	0.1
Recognized pre-tax expenses			0.0		0.1
Conagra Restructuring Plan | Reporting segments | Accelerated depreciation | Grocery & Snacks
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	37.0		37.0		37.0	37.0
Recognized pre-tax expenses	1.9		4.9		29.0
Conagra Restructuring Plan | Reporting segments | Accelerated depreciation | Refrigerated & Frozen
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	45.4		45.4		45.4	45.4
Recognized pre-tax expenses	6.6		10.6		14.8
Conagra Restructuring Plan | Reporting segments | Accelerated depreciation | International
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	0.0		0.0		0.0	0.0
Recognized pre-tax expenses			0.0		0.0
Conagra Restructuring Plan | Reporting segments | Contract/lease termination | Grocery & Snacks
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	0.2		0.2		0.2	0.2
Recognized pre-tax expenses					0.0
Conagra Restructuring Plan | Reporting segments | Contract/lease termination | Refrigerated & Frozen
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	0.0		0.0		0.0	0.0
Recognized pre-tax expenses					0.0
Conagra Restructuring Plan | Reporting segments | Contract/lease termination | International
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	0.0		0.0		0.0	0.0
Recognized pre-tax expenses					0.0
Conagra Restructuring Plan | Reporting segments | Consulting/professional fees | Grocery & Snacks
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	0.0		0.0		0.0	0.0
Conagra Restructuring Plan | Reporting segments | Consulting/professional fees | Refrigerated & Frozen
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	0.0		0.0		0.0	0.0
Conagra Restructuring Plan | Reporting segments | Consulting/professional fees | International
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	0.0		0.0		0.0	0.0
Conagra Restructuring Plan | Reporting segments | Other selling, general and administrative expenses | Grocery & Snacks
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	11.5		11.5		11.5	11.5
Recognized pre-tax expenses	0.9		2.5		3.4
Conagra Restructuring Plan | Reporting segments | Other selling, general and administrative expenses | Refrigerated & Frozen
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	4.3		4.3		4.3	4.3
Recognized pre-tax expenses	0.0		0.0		0.3
Conagra Restructuring Plan | Reporting segments | Other selling, general and administrative expenses | International
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	0.0		0.0		0.0	0.0
Recognized pre-tax expenses			0.0		0.0
Conagra Restructuring Plan | Reporting segments | Selling, general and administrative expenses | Grocery & Snacks
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	51.8		51.8		51.8	51.8
Recognized pre-tax expenses	1.4		9.1		39.7
Conagra Restructuring Plan | Reporting segments | Selling, general and administrative expenses | Refrigerated & Frozen
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	6.4		6.4		6.4	6.4
Recognized pre-tax expenses	0.1		0.1		2.4
Conagra Restructuring Plan | Reporting segments | Selling, general and administrative expenses | International
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	1.2		1.2		1.2	1.2
Recognized pre-tax expenses			(0.1)		1.2
Conagra Restructuring Plan | Reporting segments | Total | Grocery & Snacks
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	97.7		97.7		97.7	97.7
Recognized pre-tax expenses	3.3		16.3		73.5
Conagra Restructuring Plan | Reporting segments | Total | Refrigerated & Frozen
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	53.9		53.9		53.9	53.9
Recognized pre-tax expenses	6.7		10.7		17.4
Conagra Restructuring Plan | Reporting segments | Total | International
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	1.2		1.2		1.2	1.2
Recognized pre-tax expenses			(0.1)		1.2
Conagra Restructuring Plan | Corporate | Other cost of goods sold
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	0.0		0.0		0.0	0.0
Recognized pre-tax expenses			0.0		0.0
Conagra Restructuring Plan | Corporate | Total cost of goods sold
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	0.0		0.0		0.0	0.0
Recognized pre-tax expenses	0.0		0.0		0.0
Conagra Restructuring Plan | Corporate | Severance and related costs
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	1.5		1.5		1.5	1.5
Recognized pre-tax expenses	0.5		0.8		1.5
Conagra Restructuring Plan | Corporate | Asset impairment (net of gains on disposal)
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	0.0		0.0		0.0	0.0
Recognized pre-tax expenses	0.0		0.0		0.0
Conagra Restructuring Plan | Corporate | Accelerated depreciation
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	0.0		0.0		0.0	0.0
Recognized pre-tax expenses	0.0		0.0		0.0
Conagra Restructuring Plan | Corporate | Contract/lease termination
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	0.1		0.1		0.1	0.1
Recognized pre-tax expenses					0.1
Conagra Restructuring Plan | Corporate | Consulting/professional fees
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	1.1		1.1		1.1	1.1
Conagra Restructuring Plan | Corporate | Other selling, general and administrative expenses
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	0.1		0.1		0.1	0.1
Recognized pre-tax expenses	0.0		0.1		0.1
Conagra Restructuring Plan | Corporate | Selling, general and administrative expenses
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	2.8		2.8		2.8	2.8
Recognized pre-tax expenses	0.5		0.9		1.7
Conagra Restructuring Plan | Corporate | Total
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	2.8		2.8		2.8	$ 2.8
Recognized pre-tax expenses	$ 0.5		$ 0.9		$ 1.7