RESTRUCTURING ACTIVITIES - Schedule of Pre-Tax Expenses in Association with the Restructuring Plan (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		13 Months Ended	15 Months Ended
	Feb. 23, 2020	Feb. 24, 2019	Feb. 23, 2020	Feb. 24, 2019	Feb. 23, 2020	Feb. 23, 2020
Pinnacle Integration Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	$ 363.8		$ 363.8		$ 363.8	$ 363.8
Recognized pre-tax expenses	19.6	$ 36.9	63.5	$ 139.5		231.7
Pinnacle Integration Restructuring Plan | Corporate
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	255.7		255.7		255.7	255.7
Recognized pre-tax expenses	10.1		52.4			214.5
Pinnacle Integration Restructuring Plan | Accelerated depreciation
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	6.2		6.2		6.2	6.2
Recognized pre-tax expenses	1.4		1.9			1.9
Pinnacle Integration Restructuring Plan | Accelerated depreciation | Corporate
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 | Other cost of goods sold
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	27.9		27.9		27.9	27.9
Recognized pre-tax expenses			0.1			3.8
Pinnacle Integration Restructuring Plan | Other cost of goods sold | Corporate
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
Pinnacle Integration Restructuring Plan | Total cost of goods sold
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	34.1		34.1		34.1	34.1
Recognized pre-tax expenses	1.4		2.0			5.7
Pinnacle Integration Restructuring Plan | Total cost of goods sold | Corporate
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 | Severance and related costs
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	120.6		120.6		120.6	120.6
Recognized pre-tax expenses	3.9		8.5			120.6
Pinnacle Integration Restructuring Plan | Severance and related costs | Corporate
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	114.8		114.8		114.8	114.8
Recognized pre-tax expenses	(0.4)		4.0			114.8
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	0.3		2.7			7.4
Pinnacle Integration Restructuring Plan | Accelerated depreciation | Corporate
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	7.4		7.4		7.4	7.4
Recognized pre-tax expenses	0.3		2.7			7.4
Pinnacle Integration Restructuring Plan | Asset impairment (net of gains on disposal)
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	65.8		65.8		65.8	65.8
Recognized pre-tax expenses	3.8		6.9			6.9
Pinnacle Integration Restructuring Plan | Asset impairment (net of gains on disposal) | Corporate
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	2.9		2.9		2.9	2.9
Recognized pre-tax expenses	0.0		2.9			2.9
Pinnacle Integration Restructuring Plan | Contract/lease termination
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	20.0		20.0		20.0	20.0
Recognized pre-tax expenses	2.9		14.7			15.8
Pinnacle Integration Restructuring Plan | Contract/lease termination | Corporate
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	17.6		17.6		17.6	17.6
Recognized pre-tax expenses	2.9		14.7			15.0
Pinnacle Integration Restructuring Plan | Consulting/professional fees
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	83.1		83.1		83.1	83.1
Recognized pre-tax expenses	6.3		22.2			60.5
Pinnacle Integration Restructuring Plan | Consulting/professional fees | Corporate
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	82.3		82.3		82.3	82.3
Recognized pre-tax expenses	6.3		21.6			59.7
Pinnacle Integration Restructuring Plan | Other selling, general and administrative expenses
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	32.8		32.8		32.8	32.8
Recognized pre-tax expenses	1.0		6.5			14.8
Pinnacle Integration Restructuring Plan | Other selling, general and administrative expenses | Corporate
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	30.7		30.7		30.7	30.7
Recognized pre-tax expenses	1.0		6.5			14.7
Pinnacle Integration Restructuring Plan | Selling, general and administrative expenses
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	329.7		329.7		329.7	329.7
Recognized pre-tax expenses	18.2		61.5			226.0
Pinnacle Integration Restructuring Plan | Selling, general and administrative expenses | Corporate
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	255.7		255.7		255.7	255.7
Recognized pre-tax expenses	10.1		52.4			214.5
Pinnacle Integration Restructuring Plan | Grocery & Snacks | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	75.6		75.6		75.6	75.6
Recognized pre-tax expenses	0.5		0.8			2.3
Pinnacle Integration Restructuring Plan | Grocery & Snacks | Accelerated depreciation | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	0.7		0.7		0.7	0.7
Recognized pre-tax expenses	0.5		0.5			0.5
Pinnacle Integration Restructuring Plan | Grocery & Snacks | Other cost of goods sold | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	17.9		17.9		17.9	17.9
Recognized pre-tax expenses			0.1			1.6
Pinnacle Integration Restructuring Plan | Grocery & Snacks | Total cost of goods sold | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	18.6		18.6		18.6	18.6
Recognized pre-tax expenses	0.5		0.6			2.1
Pinnacle Integration Restructuring Plan | Grocery & Snacks | Severance and related costs | Reporting segments
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 | Grocery & Snacks | Accelerated depreciation | Reporting segments
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 | Grocery & Snacks | Asset impairment (net of gains on disposal) | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	54.6		54.6		54.6	54.6
Recognized pre-tax expenses	0.0		0.2			0.2
Pinnacle Integration Restructuring Plan | Grocery & Snacks | Contract/lease termination | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	1.4		1.4		1.4	1.4
Recognized pre-tax expenses	0.0		0.0			0.0
Pinnacle Integration Restructuring Plan | Grocery & Snacks | Consulting/professional fees | Reporting segments
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 | Grocery & Snacks | Other selling, general and administrative expenses | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	1.0		1.0		1.0	1.0
Recognized pre-tax expenses	0.0		0.0			0.0
Pinnacle Integration Restructuring Plan | Grocery & Snacks | Selling, general and administrative expenses | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	57.0		57.0		57.0	57.0
Recognized pre-tax expenses	0.0		0.2			0.2
Pinnacle Integration Restructuring Plan | International | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	3.9		3.9		3.9	3.9
Recognized pre-tax expenses			0.8			3.9
Pinnacle Integration Restructuring Plan | International | Accelerated depreciation | Reporting segments
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
Pinnacle Integration Restructuring Plan | International | Other cost of goods sold | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	0.7		0.7		0.7	0.7
Recognized pre-tax expenses			0.0			0.7
Pinnacle Integration Restructuring Plan | International | Total cost of goods sold | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	0.7		0.7		0.7	0.7
Recognized pre-tax expenses			0.0			0.7
Pinnacle Integration Restructuring Plan | International | Severance and related costs | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	1.5		1.5		1.5	1.5
Recognized pre-tax expenses			0.2			1.5
Pinnacle Integration Restructuring Plan | International | Accelerated depreciation | Reporting segments
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
Pinnacle Integration Restructuring Plan | International | Asset impairment (net of gains on disposal) | Reporting segments
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
Pinnacle Integration Restructuring Plan | International | Contract/lease termination | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	0.8		0.8		0.8	0.8
Recognized pre-tax expenses			0.0			0.8
Pinnacle Integration Restructuring Plan | International | Consulting/professional fees | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	0.8		0.8		0.8	0.8
Recognized pre-tax expenses			0.6			0.8
Pinnacle Integration Restructuring Plan | International | Other selling, general and administrative expenses | Reporting segments
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
Pinnacle Integration Restructuring Plan | International | Selling, general and administrative expenses | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	3.2		3.2		3.2	3.2
Recognized pre-tax expenses			0.8			3.2
Pinnacle Integration Restructuring Plan | Refrigerated & Frozen | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	28.6		28.6		28.6	28.6
Recognized pre-tax expenses	9.0		9.5			11.0
Pinnacle Integration Restructuring Plan | Refrigerated & Frozen | Accelerated depreciation | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	5.5		5.5		5.5	5.5
Recognized pre-tax expenses	0.9		1.4			1.4
Pinnacle Integration Restructuring Plan | Refrigerated & Frozen | Other cost of goods sold | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	9.3		9.3		9.3	9.3
Recognized pre-tax expenses			0.0			1.5
Pinnacle Integration Restructuring Plan | Refrigerated & Frozen | Total cost of goods sold | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	14.8		14.8		14.8	14.8
Recognized pre-tax expenses	0.9		1.4			2.9
Pinnacle Integration Restructuring Plan | Refrigerated & Frozen | Severance and related costs | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	4.3		4.3		4.3	4.3
Recognized pre-tax expenses	4.3		4.3			4.3
Pinnacle Integration Restructuring Plan | Refrigerated & Frozen | Accelerated depreciation | Reporting segments
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 | Refrigerated & Frozen | Asset impairment (net of gains on disposal) | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	8.3		8.3		8.3	8.3
Recognized pre-tax expenses	3.8		3.8			3.8
Pinnacle Integration Restructuring Plan | Refrigerated & Frozen | Contract/lease termination | Reporting segments
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		0.0			0.0
Pinnacle Integration Restructuring Plan | Refrigerated & Frozen | Consulting/professional fees | Reporting segments
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 | Refrigerated & Frozen | Other selling, general and administrative expenses | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	1.0		1.0		1.0	1.0
Recognized pre-tax expenses	0.0		0.0			0.0
Pinnacle Integration Restructuring Plan | Refrigerated & Frozen | Selling, general and administrative expenses | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	13.8		13.8		13.8	13.8
Recognized pre-tax expenses	8.1		8.1			8.1
Conagra Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	126.7		126.7		126.7	126.7
Recognized pre-tax expenses	11.9	$ 1.0	52.6	$ 1.0	54.8
Conagra Restructuring Plan | Other cost of goods sold
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	10.0		10.0		10.0	10.0
Recognized pre-tax expenses	1.2		1.4		1.4
Conagra Restructuring Plan | Other cost of goods sold | Corporate
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 | Total cost of goods sold
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	70.3		70.3		70.3	70.3
Recognized pre-tax expenses	9.5		21.0		21.8
Conagra Restructuring Plan | Total cost of goods sold | Corporate
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 | Severance and related costs
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	16.0		16.0		16.0	16.0
Recognized pre-tax expenses	1.5		5.1		6.5
Conagra Restructuring Plan | Severance and related costs | Corporate
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		0.2
Conagra Restructuring Plan | Accelerated depreciation
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	60.3		60.3		60.3	60.3
Recognized pre-tax expenses	8.3		19.6		20.4
Conagra Restructuring Plan | Accelerated depreciation | Corporate
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 | Asset impairment (net of gains on disposal)
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	25.3		25.3		25.3	25.3
Recognized pre-tax expenses	0.7		25.3		25.3
Conagra Restructuring Plan | Asset impairment (net of gains on disposal) | Corporate
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 | 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		0.1
Conagra Restructuring Plan | Contract/lease termination | Corporate
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		0.1
Conagra Restructuring Plan | Other selling, general and administrative expenses
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	14.2		14.2		14.2	14.2
Recognized pre-tax expenses	0.2		0.5		0.5
Conagra Restructuring Plan | Other selling, general and administrative expenses | Corporate
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 | Selling, general and administrative expenses
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	55.8		55.8		55.8	55.8
Recognized pre-tax expenses	2.4		31.0		32.4
Conagra Restructuring Plan | Selling, general and administrative expenses | Corporate
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		0.3
Conagra Restructuring Plan | Total
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	126.1		126.1		126.1	126.1
Recognized pre-tax expenses	11.9		52.0		54.2
Conagra Restructuring Plan | Total | Corporate
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		0.3
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	0.6
Recognized pre-tax expenses			0.6		0.6
Conagra Restructuring Plan | Grocery & Snacks | Other cost of goods sold | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	9.0		9.0		9.0	9.0
Recognized pre-tax expenses	1.2		1.2		1.2
Conagra Restructuring Plan | Grocery & Snacks | Total cost of goods sold | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	49.2		49.2		49.2	49.2
Recognized pre-tax expenses	9.5		19.9		19.9
Conagra Restructuring Plan | Grocery & Snacks | Severance and related costs | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	11.1		11.1		11.1	11.1
Recognized pre-tax expenses	0.3		3.3		3.3
Conagra Restructuring Plan | Grocery & Snacks | Accelerated depreciation | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	40.2		40.2		40.2	40.2
Recognized pre-tax expenses	8.3		18.7		18.7
Conagra Restructuring Plan | Grocery & Snacks | Asset impairment (net of gains on disposal) | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	25.0		25.0		25.0	25.0
Recognized pre-tax expenses	0.5		25.0		25.0
Conagra Restructuring Plan | Grocery & Snacks | Contract/lease termination | Reporting segments
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		0.0
Conagra Restructuring Plan | Grocery & Snacks | Other selling, general and administrative expenses | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	12.0		12.0		12.0	12.0
Recognized pre-tax expenses	0.1		0.3		0.3
Conagra Restructuring Plan | Grocery & Snacks | Selling, general and administrative expenses | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	48.3		48.3		48.3	48.3
Recognized pre-tax expenses	0.9		28.6		28.6
Conagra Restructuring Plan | Grocery & Snacks | Total | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	97.5		97.5		97.5	97.5
Recognized pre-tax expenses	10.4		48.5		48.5
Conagra Restructuring Plan | International | Other cost of goods sold | Reporting segments
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 | International | Total cost of goods sold | Reporting segments
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 | International | Severance and related costs | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	1.2		1.2		1.2	1.2
Recognized pre-tax expenses			0.5		1.2
Conagra Restructuring Plan | International | Accelerated depreciation | Reporting segments
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 | International | Asset impairment (net of gains on disposal) | Reporting segments
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		0.1
Conagra Restructuring Plan | International | Contract/lease termination | Reporting segments
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 | International | Other selling, general and administrative expenses | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	0.3		0.3		0.3	0.3
Recognized pre-tax expenses			0.0		0.0
Conagra Restructuring Plan | International | Selling, general and administrative expenses | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	1.6		1.6		1.6	1.6
Recognized pre-tax expenses			0.6		1.3
Conagra Restructuring Plan | International | Total | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	1.6		1.6		1.6	1.6
Recognized pre-tax expenses			0.6		1.3
Conagra Restructuring Plan | Refrigerated & Frozen | Other cost of goods sold | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	1.0		1.0		1.0	1.0
Recognized pre-tax expenses	0.0		0.2		0.2
Conagra Restructuring Plan | Refrigerated & Frozen | Total cost of goods sold | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	21.1		21.1		21.1	21.1
Recognized pre-tax expenses	0.0		1.1		1.9
Conagra Restructuring Plan | Refrigerated & Frozen | Severance and related costs | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	3.5		3.5		3.5	3.5
Recognized pre-tax expenses	1.2		1.3		1.8
Conagra Restructuring Plan | Refrigerated & Frozen | Accelerated depreciation | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	20.1		20.1		20.1	20.1
Recognized pre-tax expenses	0.0		0.9		1.7
Conagra Restructuring Plan | Refrigerated & Frozen | Asset impairment (net of gains on disposal) | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	0.2		0.2		0.2	0.2
Recognized pre-tax expenses	0.2		0.2		0.2
Conagra Restructuring Plan | Refrigerated & Frozen | Contract/lease termination | Reporting segments
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 | Refrigerated & Frozen | Other selling, general and administrative expenses | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	1.9		1.9		1.9	1.9
Recognized pre-tax expenses	0.1		0.2		0.2
Conagra Restructuring Plan | Refrigerated & Frozen | Selling, general and administrative expenses | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	5.6		5.6		5.6	5.6
Recognized pre-tax expenses	1.5		1.7		2.2
Conagra Restructuring Plan | Refrigerated & Frozen | Total | Reporting segments
Restructuring Cost and Reserve [Line Items]
Charges expected to be incurred	26.7		26.7		26.7	$ 26.7
Recognized pre-tax expenses	$ 1.5		$ 2.8		$ 4.1