SEGMENT INFORMATION - SCHEDULE OF NET SALES AND EARNINGS BY SEGMENT (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Segment Reporting Information [Line Items]
Net sales	$ 11,692,576	$ 11,202,263	$ 11,164,992
Cost of sales	7,769,885	5,901,375	6,167,176
Selling, marketing and administrative expense	2,460,569	2,373,621	2,436,508
Operating profit	$ 1,441,528	$ 2,898,232	$ 2,560,867
Unallocated mark-to-market losses on commodity derivatives, extensible enumeration, not disclosed	Unallocated mark-to-market losses on commodity derivatives	Unallocated mark-to-market gains on commodity derivatives	Unallocated mark-to-market losses on commodity derivatives
Costs associated with business realignment activities (see Note 9)	$ 59,401	$ 117,536	$ 3,440
Interest expense, net	190,206	165,655	151,785
Other (income) expense, net	37,114	258,641	237,218
Income before income taxes	1,214,208	2,473,936	2,171,864
Operating Segments
Segment Reporting Information [Line Items]
Operating profit	2,738,403	3,256,597	3,423,636
Operating Segments | North America Confectionery
Segment Reporting Information [Line Items]
Net sales	9,479,709	9,118,590	9,123,139
Cost of sales	5,796,018	4,984,764	4,781,671
Selling, marketing and administrative expense	1,189,959	1,188,138	1,224,424
Operating profit	2,493,732	2,945,688	3,117,044
Operating Segments | North America Salty Snacks
Segment Reporting Information [Line Items]
Net sales	1,271,299	1,135,720	1,092,689
Cost of sales	804,635	719,850	726,569
Selling, marketing and administrative expense	225,311	216,480	207,787
Operating profit	241,353	199,390	158,333
Operating Segments | International
Segment Reporting Information [Line Items]
Net sales	941,568	947,953	949,164
Cost of sales	740,764	642,634	601,175
Selling, marketing and administrative expense	197,486	193,800	199,730
Operating profit	3,318	111,519	148,259
Corporate
Segment Reporting Information [Line Items]
Unallocated corporate expense	814,313	701,266	800,390
Excluding Corporate Nonsegment
Segment Reporting Information [Line Items]
Unallocated mark-to-market gains (losses) on commodity derivatives	423,161	(460,437)	58,939
Costs associated with business realignment activities (see Note 9)	$ 59,401	$ 117,536	$ 3,440