GENERAL - Additional Information (Details) £ in Millions, lb in Millions, bird in Millions, $ in Millions				6 Months Ended
	Jun. 17, 2021 GBP (£)	Jun. 17, 2021 USD ($)	Jul. 27, 2020	Jun. 27, 2021 employee state grower country pig bird lb	Jun. 16, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of countries in which entity exports products | country				120
Number of states in which entity operates | state				14
Number of employees | employee				54,700
Meats and Meals of Kerry Consumer Foods
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Aggregate purchase price	£ 680	$ 952
Exchange rate, translation					1.40
Chicken
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Maximum processing capacity of employees per week (in animals per week) | bird				45.8
Maximum annual processing capacity of employees (in pounds) (more than) | lb				13,300.0
Number of contract growers | grower				4,800
Pork
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Maximum processing capacity of employees per week (in animals per week) | pig				45,000
Maximum annual processing capacity of employees (in pounds) (more than) | lb				449.4
Number of contract growers | grower				275
JBS S.A.
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Percentage of beneficial ownership by holding company			80.00%	80.20%