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EQUITY AND NONCONTROLLING INTEREST - SCHEDULE OF THE CHANGES IN THE OUTSTANDING SHARES OF COMMMON STOCK (Details) - shares
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Class of Stock [Line Items]        
Common stock, shares issued (shares) 221,553,025 221,553,025 221,553,025  
Treasury stock, shares (shares) 17,160,099 16,588,308 15,444,011 13,325,898
Stock issuances:        
Common stock, shares, outstanding (shares) 204,392,926 204,964,717 206,109,014  
Employee stock options        
Stock repurchases:        
Stock repurchases (shares) (127,609) (824,701) (2,005,500)  
Stock issuances:        
Stock issued during period, shares, share-based compensation (gross) (shares) 555,818 680,404 758,531  
Common stock        
Class of Stock [Line Items]        
Common stock, shares issued (shares) 166,939,511 163,439,248    
Stock repurchases:        
Stock repurchases (shares) 0 0 (871,144)  
Hershey Trust Company        
Stock repurchases:        
Stock repurchases (shares) (1,000,000) (1,000,000) 0