BUSINESS SEGMENTS AND RELATED INFORMATION - Segment Reporting Information by Segment (Details) - USD ($) $ in Millions	3 Months Ended			12 Months Ended
	Nov. 24, 2024	May 26, 2024	Aug. 28, 2022	May 25, 2025	May 26, 2024	May 28, 2023
BUSINESS SEGMENTS AND RELATED INFORMATION
Net sales				$ 11,612.8	$ 12,050.9	$ 12,277.0
Segment cost of goods sold				8,609.3	8,717.5	9,012.2
Selling, general and administrative expenses				1,537.3	1,487.5	1,431.9
Operating profit				1,364.6	852.8	1,075.3
Goodwill impairment charges	$ 0.0				526.5	141.7
Other intangible asset impairment charges				72.1	430.2	589.2
Loss on divestitures				29.5	36.4	26.7
Other charges, net				78.0	54.5	(26.9)
Pension and postretirement non-service income				25.9	10.3	24.2
Interest expense, net				416.7	430.5	409.6
Equity method investment earnings				182.4	177.6	212.0
Income before income taxes				1,156.2	610.2	901.9
Operating Segments
BUSINESS SEGMENTS AND RELATED INFORMATION
Net sales				11,612.8	12,050.9	12,277.0
Segment cost of goods sold				8,623.9	8,715.1	8,949.8
Selling, general and administrative expenses				1,045.3	1,113.2
Operating profit				1,943.6	2,222.6	2,248.7
Corporate, Non-Segment
BUSINESS SEGMENTS AND RELATED INFORMATION
Selling, general and administrative expenses						1,078.5
General corporate expenses				399.4	322.2	388.9
Grocery & Snacks
BUSINESS SEGMENTS AND RELATED INFORMATION
Other intangible asset impairment charges				11.9	77.6	78.9
Grocery & Snacks | Operating Segments
BUSINESS SEGMENTS AND RELATED INFORMATION
Net sales				4,899.3	4,958.7	4,981.9
Segment cost of goods sold				3,431.4	3,404.2	3,462.8
Selling, general and administrative expenses				450.9	454.2
Operating profit				1,017.0	1,100.3	1,086.3
Grocery & Snacks | Corporate, Non-Segment
BUSINESS SEGMENTS AND RELATED INFORMATION
Selling, general and administrative expenses						432.8
Refrigerated & Frozen
BUSINESS SEGMENTS AND RELATED INFORMATION
Goodwill impairment charges		$ 526.5	$ 141.7		526.5	141.7
Other intangible asset impairment charges				60.2	352.6	496.6
Refrigerated & Frozen | Operating Segments
BUSINESS SEGMENTS AND RELATED INFORMATION
Net sales				4,662.3	4,865.5	5,156.2
Segment cost of goods sold				3,606.4	3,598.3	3,782.1
Selling, general and administrative expenses				404.2	451.3
Operating profit				651.7	815.9	923.6
Refrigerated & Frozen | Corporate, Non-Segment
BUSINESS SEGMENTS AND RELATED INFORMATION
Selling, general and administrative expenses						450.5
International
BUSINESS SEGMENTS AND RELATED INFORMATION
Other intangible asset impairment charges						13.7
International | Operating Segments
BUSINESS SEGMENTS AND RELATED INFORMATION
Net sales				956.5	1,078.3	1,002.5
Segment cost of goods sold				700.7	792.6	751.7
Selling, general and administrative expenses				111.9	130.6
Operating profit				143.9	155.1	135.0
International | Corporate, Non-Segment
BUSINESS SEGMENTS AND RELATED INFORMATION
Selling, general and administrative expenses						115.8
Food service | Operating Segments
BUSINESS SEGMENTS AND RELATED INFORMATION
Net sales				1,094.7	1,148.4	1,136.4
Segment cost of goods sold				885.4	920.0	953.2
Selling, general and administrative expenses				78.3	77.1
Operating profit				131.0	151.3	103.8
Food service | Corporate, Non-Segment
BUSINESS SEGMENTS AND RELATED INFORMATION
Selling, general and administrative expenses						79.4
Frozen
BUSINESS SEGMENTS AND RELATED INFORMATION
Net sales				3,945.5	4,061.2	4,288.1
Other Shelf-stable
BUSINESS SEGMENTS AND RELATED INFORMATION
Net sales				2,790.8	2,834.1	2,851.9
Refrigerated
BUSINESS SEGMENTS AND RELATED INFORMATION
Net sales				716.8	804.3	868.1
Snacks
BUSINESS SEGMENTS AND RELATED INFORMATION
Net sales				2,108.5	2,124.6	2,130.0
International
BUSINESS SEGMENTS AND RELATED INFORMATION
Net sales				956.5	1,078.3	1,002.5
Food service
BUSINESS SEGMENTS AND RELATED INFORMATION
Net sales				$ 1,094.7	$ 1,148.4	$ 1,136.4