RESTRUCTURING ACTIVITIES - Schedule of Pre-Tax Expenses in Association with the Restructuring Plan (Details) - USD ($) $ in Millions	3 Months Ended		19 Months Ended	21 Months Ended
	Aug. 30, 2020	Aug. 25, 2019	Aug. 30, 2020	Aug. 30, 2020
Pinnacle Integration Restructuring Plan
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	$ 362.3		$ 362.3	$ 362.3
Recognized pre-tax expenses	8.6	$ 27.7		250.6
Pinnacle Integration Restructuring Plan | Accelerated depreciation
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	15.6		15.6	15.6
Recognized pre-tax expenses	0.6			3.3
Pinnacle Integration Restructuring Plan | Other cost of goods sold
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	17.6		17.6	17.6
Recognized pre-tax expenses	0.5			4.5
Pinnacle Integration Restructuring Plan | Total cost of goods sold
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	33.2		33.2	33.2
Recognized pre-tax expenses	1.1			7.8
Pinnacle Integration Restructuring Plan | Severance and related costs
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	120.2		120.2	120.2
Recognized pre-tax expenses	(0.7)			120.2
Pinnacle Integration Restructuring Plan | Asset impairment (net of gains on disposal)
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	42.6		42.6	42.6
Recognized pre-tax expenses	(0.3)			6.6
Pinnacle Integration Restructuring Plan | Accelerated depreciation
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	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	22.8		22.8	22.8
Recognized pre-tax expenses	0.2			16.1
Pinnacle Integration Restructuring Plan | Consulting/professional fees
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	97.0		97.0	97.0
Recognized pre-tax expenses	6.5			74.8
Pinnacle Integration Restructuring Plan | Other selling, general and administrative expenses
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	39.1		39.1	39.1
Recognized pre-tax expenses	1.8			17.7
Pinnacle Integration Restructuring Plan | Selling, general and administrative expenses
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	329.1		329.1	329.1
Recognized pre-tax expenses	7.5			242.8
Pinnacle Integration Restructuring Plan | Reporting segments | Grocery & Snacks
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	65.7		65.7	65.7
Recognized pre-tax expenses	0.9			3.7
Pinnacle Integration Restructuring Plan | Reporting segments | Refrigerated & Frozen
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	29.9		29.9	29.9
Recognized pre-tax expenses	1.7			13.5
Pinnacle Integration Restructuring Plan | Reporting segments | International
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	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	9.9		9.9	9.9
Recognized pre-tax expenses	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	5.7		5.7	5.7
Recognized pre-tax expenses	0.6			2.7
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
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	7.7		7.7	7.7
Recognized pre-tax expenses	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	9.2		9.2	9.2
Recognized pre-tax expenses	0.0			1.5
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
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	17.6		17.6	17.6
Recognized pre-tax expenses	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	14.9		14.9	14.9
Recognized pre-tax expenses	0.6			4.2
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
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
Recognized pre-tax expenses	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
Recognized pre-tax expenses	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
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	36.2		36.2	36.2
Recognized pre-tax expenses	0.0			0.2
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
Recognized pre-tax expenses	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
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
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
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
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	1.4		1.4	1.4
Recognized pre-tax expenses	0.0			0.0
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
Recognized pre-tax expenses	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
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	0.5		0.5	0.5
Recognized pre-tax expenses	0.3			0.5
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
Recognized pre-tax expenses	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
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	10.0		10.0	10.0
Recognized pre-tax expenses	0.1			0.1
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	2.1		2.1	2.1
Recognized pre-tax expenses	1.0			1.1
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
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	48.1		48.1	48.1
Recognized pre-tax expenses	0.4			0.8
Pinnacle Integration Restructuring Plan | Reporting segments | Selling, general and administrative expenses | Refrigerated & Frozen
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	15.0		15.0	15.0
Recognized pre-tax expenses	1.1			9.3
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
Recognized pre-tax expenses				3.4
Pinnacle Integration Restructuring Plan | Corporate
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	262.6		262.6	262.6
Recognized pre-tax expenses	6.0			229.3
Pinnacle Integration Restructuring Plan | Corporate | Accelerated depreciation
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	0.0		0.0	0.0
Recognized pre-tax expenses	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
Recognized pre-tax expenses	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
Recognized pre-tax expenses	0.0			0.0
Pinnacle Integration Restructuring Plan | Corporate | Severance and related costs
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	114.3		114.3	114.3
Recognized pre-tax expenses	(0.8)			114.3
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
Recognized pre-tax expenses	(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
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	15.9		15.9	15.9
Recognized pre-tax expenses	0.2			15.3
Pinnacle Integration Restructuring Plan | Corporate | Consulting/professional fees
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	95.7		95.7	95.7
Recognized pre-tax expenses	6.2			73.5
Pinnacle Integration Restructuring Plan | Corporate | Other selling, general and administrative expenses
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	26.7		26.7	26.7
Recognized pre-tax expenses	0.7			16.2
Pinnacle Integration Restructuring Plan | Corporate | Selling, general and administrative expenses
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	262.6		262.6	262.6
Recognized pre-tax expenses	6.0			229.3
Conagra Restructuring Plan
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	161.5		161.5	161.5
Recognized pre-tax expenses	17.3	$ 21.1	83.9
Conagra Restructuring Plan | Other cost of goods sold
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	12.4		12.4	12.4
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	98.2		98.2	98.2
Recognized pre-tax expenses	9.3		40.3
Conagra Restructuring Plan | Severance and related costs
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	17.1		17.1	17.1
Recognized pre-tax expenses	3.3		11.7
Conagra Restructuring Plan | Asset impairment (net of gains on disposal)
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	28.3		28.3	28.3
Recognized pre-tax expenses	3.0		28.3
Conagra Restructuring Plan | Accelerated depreciation
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	85.8		85.8	85.8
Recognized pre-tax expenses	7.0		35.3
Conagra Restructuring Plan | Contract/lease termination
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	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	1.0		1.0	1.0
Conagra Restructuring Plan | Other selling, general and administrative expenses
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	16.0		16.0	16.0
Recognized pre-tax expenses	1.7		2.9
Conagra Restructuring Plan | Selling, general and administrative expenses
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	62.7		62.7	62.7
Recognized pre-tax expenses	8.0		43.0
Conagra Restructuring Plan | Total
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	160.9		160.9	160.9
Recognized pre-tax expenses	17.3		83.3
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
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	10.3		10.3	10.3
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
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
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	45.3		45.3	45.3
Recognized pre-tax expenses	5.3		31.9
Conagra Restructuring Plan | Reporting segments | Total cost of goods sold | Refrigerated & Frozen
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	52.9		52.9	52.9
Recognized pre-tax expenses	4.0		8.4
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
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	11.4		11.4	11.4
Recognized pre-tax expenses	3.1		7.8
Conagra Restructuring Plan | Reporting segments | Severance and related costs | Refrigerated & Frozen
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	3.6		3.6	3.6
Recognized pre-tax expenses	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
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
Recognized pre-tax expenses	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	0.2		0.2	0.2
Recognized pre-tax expenses	0.0		0.2
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
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	35.0		35.0	35.0
Recognized pre-tax expenses	3.0		27.1
Conagra Restructuring Plan | Reporting segments | Accelerated depreciation | Refrigerated & Frozen
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	50.8		50.8	50.8
Recognized pre-tax expenses	4.0		8.2
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
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
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
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
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
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
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
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
Recognized pre-tax expenses	1.6		2.5
Conagra Restructuring Plan | Reporting segments | Other selling, general and administrative expenses | Refrigerated & Frozen
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	4.1		4.1	4.1
Recognized pre-tax expenses	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	0.3		0.3	0.3
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	51.1		51.1	51.1
Recognized pre-tax expenses	7.7		38.3
Conagra Restructuring Plan | Reporting segments | Selling, general and administrative expenses | Refrigerated & Frozen
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	7.9		7.9	7.9
Recognized pre-tax expenses	0.0		2.3
Conagra Restructuring Plan | Reporting segments | Selling, general and administrative expenses | International
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	1.5		1.5	1.5
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	96.4		96.4	96.4
Recognized pre-tax expenses	13.0		70.2
Conagra Restructuring Plan | Reporting segments | Total | Refrigerated & Frozen
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	60.8		60.8	60.8
Recognized pre-tax expenses	4.0		10.7
Conagra Restructuring Plan | Reporting segments | Total | International
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	1.5		1.5	1.5
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
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
Recognized pre-tax expenses	0.0		0.0
Conagra Restructuring Plan | Corporate | Severance and related costs
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	1.0		1.0	1.0
Recognized pre-tax expenses	0.3		1.0
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
Recognized pre-tax expenses	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
Recognized pre-tax expenses	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
Recognized pre-tax expenses			0.1
Conagra Restructuring Plan | Corporate | Consulting/professional fees
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	1.0		1.0	1.0
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
Recognized pre-tax expenses	0.1		0.1
Conagra Restructuring Plan | Corporate | Selling, general and administrative expenses
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	2.2		2.2	2.2
Recognized pre-tax expenses	0.4		1.2
Conagra Restructuring Plan | Corporate | Total
Restructuring Cost And Reserve [Line Items]
Charges expected to be incurred	2.2		2.2	$ 2.2
Recognized pre-tax expenses	$ 0.4		$ 1.2