v3.26.1
RESTRUCTURING ACTIVITIES - Schedule of restructuring plan expenses (Details) - USD ($)
$ in Thousands
 12 Months Ended 95 Months Ended
May 31, 2026
May 25, 2025
May 26, 2024
May 31, 2026
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost $ 356,100     $ 356,100
Corporate, Non-Segment        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost 40,000     40,000
Conagra Restructuring Plan        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost 356,700     356,700
Restructuring plan charges 32,300 $ 101,700 $ 66,600 353,500
Balance 17,400      
Costs incurred and charged to expense $ 34,000      
Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration] Selling, General and Administrative Expense      
Costs Paid or Otherwise Settled $ (27,400)      
Changes in Estimates (2,200)      
Balance 21,800 17,400   21,800
Conagra Restructuring Plan | Operating Segments        
RESTRUCTURING ACTIVITIES        
Restructuring plan charges 900      
Conagra Restructuring Plan | Corporate, Non-Segment        
RESTRUCTURING ACTIVITIES        
Restructuring plan charges 16,100      
Accelerated depreciation | Conagra Restructuring Plan        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost 91,600     91,600
Restructuring plan charges       91,600
Accelerated depreciation | Conagra Restructuring Plan | Operating Segments        
RESTRUCTURING ACTIVITIES        
Restructuring plan charges 500      
Other cost of goods sold | Conagra Restructuring Plan        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost 26,800     26,800
Restructuring plan charges 3,300     26,900
Total cost of goods sold | Conagra Restructuring Plan        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost 118,400     118,400
Restructuring plan charges 3,800     118,500
Severance and related costs | Conagra Restructuring Plan        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost 55,600     55,600
Restructuring plan charges 11,400     55,500
Balance 14,600      
Costs incurred and charged to expense 15,200      
Costs Paid or Otherwise Settled (13,500)      
Changes in Estimates (2,200)      
Balance 14,100 14,600   14,100
Severance and related costs | Conagra Restructuring Plan | Operating Segments        
RESTRUCTURING ACTIVITIES        
Restructuring plan charges 800      
Severance and related costs | Conagra Restructuring Plan | Corporate, Non-Segment        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost 26,500     26,500
Restructuring plan charges 10,600     26,400
Asset impairment | Conagra Restructuring Plan        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost 127,300     127,300
Restructuring plan charges 4,800     127,300
Asset impairment | Conagra Restructuring Plan | Operating Segments        
RESTRUCTURING ACTIVITIES        
Restructuring plan charges 100      
Asset impairment | Conagra Restructuring Plan | Corporate, Non-Segment        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost (400)     (400)
Restructuring plan charges (400)     (400)
Contract/lease termination | Conagra Restructuring Plan        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost 3,900     3,900
Restructuring plan charges 600     3,900
Costs incurred and charged to expense 600      
Costs Paid or Otherwise Settled (600)      
Contract/lease termination | Conagra Restructuring Plan | Corporate, Non-Segment        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost 300     300
Restructuring plan charges 200     300
Consulting/professional fees | Conagra Restructuring Plan        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost 13,400     13,400
Restructuring plan charges 5,500     11,700
Costs incurred and charged to expense 5,500      
Costs Paid or Otherwise Settled (3,700)      
Balance 1,800     1,800
Consulting/professional fees | Conagra Restructuring Plan | Corporate, Non-Segment        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost 12,300     12,300
Restructuring plan charges 5,500     10,600
Other costs | Conagra Restructuring Plan        
RESTRUCTURING ACTIVITIES        
Balance 2,800      
Costs incurred and charged to expense 12,700      
Costs Paid or Otherwise Settled (9,600)      
Balance 5,900 $ 2,800   5,900
Other SG&A | Conagra Restructuring Plan        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost 37,500     37,500
Restructuring plan charges 6,200     36,000
Other SG&A | Conagra Restructuring Plan | Corporate, Non-Segment        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost 1,300     1,300
Restructuring plan charges 200     1,400
Total SG&A | Conagra Restructuring Plan        
RESTRUCTURING ACTIVITIES        
Restructuring plan charges       234,400
Total SG&A | Conagra Restructuring Plan | Corporate, Non-Segment        
RESTRUCTURING ACTIVITIES        
Restructuring plan charges       38,300
Aggregate Restructuring Selling, General and Administrative Expenses [Member] | Conagra Restructuring Plan        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost 237,700     237,700
Restructuring plan charges 28,500      
Aggregate Restructuring Selling, General and Administrative Expenses [Member] | Conagra Restructuring Plan | Operating Segments        
RESTRUCTURING ACTIVITIES        
Restructuring plan charges 900      
Aggregate Restructuring Selling, General and Administrative Expenses [Member] | Conagra Restructuring Plan | Corporate, Non-Segment        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost 40,000     40,000
Restructuring plan charges 16,100      
Cost Of Goods Sold And Selling General And Administrative Expenses Member | Conagra Restructuring Plan        
RESTRUCTURING ACTIVITIES        
Restructuring plan charges       352,900
Cost Of Goods Sold And Selling General And Administrative Expenses Member | Conagra Restructuring Plan | Corporate, Non-Segment        
RESTRUCTURING ACTIVITIES        
Restructuring plan charges       38,300
Pension And Postretirement Nonservice Cost Income Member | Conagra Restructuring Plan        
RESTRUCTURING ACTIVITIES        
Restructuring plan charges       600
Grocery & Snacks | Conagra Restructuring Plan        
RESTRUCTURING ACTIVITIES        
Restructuring plan charges 20,600      
Grocery & Snacks | Conagra Restructuring Plan | Operating Segments        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost 136,000     136,000
Grocery & Snacks | Accelerated depreciation | Conagra Restructuring Plan | Operating Segments        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost 43,900     43,900
Restructuring plan charges 500     43,900
Grocery & Snacks | Other cost of goods sold | Conagra Restructuring Plan | Operating Segments        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost 14,300     14,300
Restructuring plan charges 2,200     14,300
Grocery & Snacks | Total cost of goods sold | Conagra Restructuring Plan | Operating Segments        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost 58,200     58,200
Restructuring plan charges 2,700     58,200
Grocery & Snacks | Severance and related costs | Conagra Restructuring Plan | Operating Segments        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost 12,700     12,700
Restructuring plan charges       12,700
Grocery & Snacks | Asset impairment | Conagra Restructuring Plan | Operating Segments        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost 37,200     37,200
Restructuring plan charges 12,000     37,200
Grocery & Snacks | Contract/lease termination | Conagra Restructuring Plan | Operating Segments        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost 2,400     2,400
Restructuring plan charges 400     2,400
Grocery & Snacks | Consulting/professional fees | Conagra Restructuring Plan | Operating Segments        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost 500     500
Restructuring plan charges       500
Grocery & Snacks | Other SG&A | Conagra Restructuring Plan        
RESTRUCTURING ACTIVITIES        
Restructuring plan charges       24,500
Grocery & Snacks | Other SG&A | Conagra Restructuring Plan | Operating Segments        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost 25,000     25,000
Restructuring plan charges 5,500      
Grocery & Snacks | Total SG&A | Conagra Restructuring Plan        
RESTRUCTURING ACTIVITIES        
Restructuring plan charges       77,300
Grocery & Snacks | Aggregate Restructuring Selling, General and Administrative Expenses [Member] | Conagra Restructuring Plan | Operating Segments        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost 77,800     77,800
Restructuring plan charges 17,900      
Grocery & Snacks | Cost Of Goods Sold And Selling General And Administrative Expenses Member | Conagra Restructuring Plan        
RESTRUCTURING ACTIVITIES        
Restructuring plan charges       135,500
Refrigerated & Frozen | Conagra Restructuring Plan        
RESTRUCTURING ACTIVITIES        
Restructuring plan charges (5,300)      
Refrigerated & Frozen | Conagra Restructuring Plan | Operating Segments        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost 157,900     157,900
Refrigerated & Frozen | Accelerated depreciation | Conagra Restructuring Plan | Operating Segments        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost 47,700     47,700
Restructuring plan charges       47,700
Refrigerated & Frozen | Other cost of goods sold | Conagra Restructuring Plan | Operating Segments        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost 10,600     10,600
Restructuring plan charges 1,100     10,600
Refrigerated & Frozen | Total cost of goods sold | Conagra Restructuring Plan | Operating Segments        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost 58,300     58,300
Restructuring plan charges 1,100     58,300
Refrigerated & Frozen | Severance and related costs | Conagra Restructuring Plan | Operating Segments        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost 9,700     9,700
Restructuring plan charges       9,700
Refrigerated & Frozen | Asset impairment | Conagra Restructuring Plan | Operating Segments        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost 78,100     78,100
Restructuring plan charges (6,900)     78,100
Refrigerated & Frozen | Contract/lease termination | Conagra Restructuring Plan | Operating Segments        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost 900     900
Restructuring plan charges       900
Refrigerated & Frozen | Consulting/professional fees | Conagra Restructuring Plan | Operating Segments        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost 600     600
Restructuring plan charges       600
Refrigerated & Frozen | Other SG&A | Conagra Restructuring Plan        
RESTRUCTURING ACTIVITIES        
Restructuring plan charges       9,300
Refrigerated & Frozen | Other SG&A | Conagra Restructuring Plan | Operating Segments        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost 10,300     10,300
Restructuring plan charges 500      
Refrigerated & Frozen | Total SG&A | Conagra Restructuring Plan        
RESTRUCTURING ACTIVITIES        
Restructuring plan charges       98,600
Refrigerated & Frozen | Aggregate Restructuring Selling, General and Administrative Expenses [Member] | Conagra Restructuring Plan | Operating Segments        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost 99,600     99,600
Restructuring plan charges (6,400)      
Refrigerated & Frozen | Cost Of Goods Sold And Selling General And Administrative Expenses Member | Conagra Restructuring Plan        
RESTRUCTURING ACTIVITIES        
Restructuring plan charges       156,900
International | Conagra Restructuring Plan | Operating Segments        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost 21,900     21,900
International | Other cost of goods sold | Conagra Restructuring Plan | Operating Segments        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost 1,900     1,900
Restructuring plan charges       2,000
International | Total cost of goods sold | Conagra Restructuring Plan | Operating Segments        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost 1,900     1,900
Restructuring plan charges       2,000
International | Severance and related costs | Conagra Restructuring Plan | Operating Segments        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost 6,400     6,400
Restructuring plan charges       6,400
International | Asset impairment | Conagra Restructuring Plan | Operating Segments        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost 12,400     12,400
Restructuring plan charges       12,400
International | Contract/lease termination | Conagra Restructuring Plan | Operating Segments        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost 300     300
Restructuring plan charges       300
International | Other SG&A | Conagra Restructuring Plan        
RESTRUCTURING ACTIVITIES        
Restructuring plan charges       800
International | Other SG&A | Conagra Restructuring Plan | Operating Segments        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost 900     900
International | Total SG&A | Conagra Restructuring Plan        
RESTRUCTURING ACTIVITIES        
Restructuring plan charges       19,900
International | Aggregate Restructuring Selling, General and Administrative Expenses [Member] | Conagra Restructuring Plan | Operating Segments        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost 20,000     20,000
International | Cost Of Goods Sold And Selling General And Administrative Expenses Member | Conagra Restructuring Plan        
RESTRUCTURING ACTIVITIES        
Restructuring plan charges       21,900
Foodservice | Conagra Restructuring Plan | Operating Segments        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost 300     300
Foodservice | Severance and related costs | Conagra Restructuring Plan | Operating Segments        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost 300     300
Restructuring plan charges       300
Foodservice | Total SG&A | Conagra Restructuring Plan        
RESTRUCTURING ACTIVITIES        
Restructuring plan charges       300
Foodservice | Aggregate Restructuring Selling, General and Administrative Expenses [Member] | Conagra Restructuring Plan | Operating Segments        
RESTRUCTURING ACTIVITIES        
Restructuring plan expected cost $ 300     300
Foodservice | Cost Of Goods Sold And Selling General And Administrative Expenses Member | Conagra Restructuring Plan        
RESTRUCTURING ACTIVITIES        
Restructuring plan charges       $ 300