SEGMENT INFORMATION - SCHEDULE OF NET SALES AND EARNINGS BY SEGMENT (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 29, 2024	Oct. 01, 2023	Sep. 29, 2024	Oct. 01, 2023
Segment Reporting Information [Line Items]
Net sales	$ 2,987,494	$ 3,029,987	$ 8,314,723	$ 8,507,881
Operating profit	613,164	735,949	1,959,085	2,096,538
Restructuring and related cost	49,129	(426)	104,795	3,440
Interest expense, net	44,316	39,755	125,511	114,101
Other (income) expense, net	50,101	42,781	82,695	130,248
Income before income taxes	518,747	653,413	1,750,879	1,852,189
Operating Segments
Segment Reporting Information [Line Items]
Operating profit	793,006	936,546	2,364,368	2,668,169
Operating Segments | North America Confectionery
Segment Reporting Information [Line Items]
Net sales	2,477,303	2,457,647	6,764,439	6,902,891
Operating profit	724,822	847,469	2,137,514	2,392,397
Operating Segments | North America Salty Snacks
Segment Reporting Information [Line Items]
Net sales	291,835	345,182	856,835	887,532
Operating profit	53,977	57,389	144,887	147,934
Operating Segments | International
Segment Reporting Information [Line Items]
Net sales	218,356	227,158	693,449	717,458
Operating profit	14,207	31,688	81,967	127,838
Corporate, Non-Segment
Segment Reporting Information [Line Items]
Unallocated corporate expense	161,796	199,270	496,215	562,974
Segment Reconciling Items
Segment Reporting Information [Line Items]
Unallocated mark-to-market (gains) losses on commodity derivatives	(31,083)	1,753	(195,727)	5,217
Restructuring and related cost	$ 49,129	$ (426)	$ 104,795	$ 3,440