v3.26.1
Segment Reporting - Net Revenues by Product Category (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Segment Reporting [Line Items]        
Total net revenues $ 9,355 $ 8,984 [1] $ 19,435 $ 18,297 [1]
Biscuits & Baked Snacks        
Segment Reporting [Line Items]        
Total net revenues 4,735 4,564 [1] 9,278 8,887 [1]
Chocolate        
Segment Reporting [Line Items]        
Total net revenues 2,721 2,672 [1] 6,324 5,862 [1]
Gum & Candy        
Segment Reporting [Line Items]        
Total net revenues 1,067 950 [1] 2,121 1,919 [1]
Beverages        
Segment Reporting [Line Items]        
Total net revenues 226 227 [1] 501 524 [1]
Meals        
Segment Reporting [Line Items]        
Total net revenues 606 571 [1] 1,211 1,105 [1]
Latin America        
Segment Reporting [Line Items]        
Total net revenues 1,374 1,194 [1] 2,722 2,397 [1]
Latin America | Biscuits & Baked Snacks        
Segment Reporting [Line Items]        
Total net revenues 343 295 [1] 644 582 [1]
Latin America | Biscuits & Baked Snacks | Revision of Prior Period, Reclassification, Adjustment        
Segment Reporting [Line Items]        
Total net revenues   (11)   (19)
Latin America | Chocolate        
Segment Reporting [Line Items]        
Total net revenues 372 345 [1] 803 714 [1]
Latin America | Chocolate | Revision of Prior Period, Reclassification, Adjustment        
Segment Reporting [Line Items]        
Total net revenues   11   19
Latin America | Gum & Candy        
Segment Reporting [Line Items]        
Total net revenues 436 361 [1] 835 701 [1]
Latin America | Beverages        
Segment Reporting [Line Items]        
Total net revenues 84 79 [1] 172 175 [1]
Latin America | Meals        
Segment Reporting [Line Items]        
Total net revenues 139 114 [1] 268 225 [1]
AMEA        
Segment Reporting [Line Items]        
Total net revenues 1,971 1,821 [1] 4,275 3,837 [1]
AMEA | Biscuits & Baked Snacks        
Segment Reporting [Line Items]        
Total net revenues 735 686 [1] 1,551 1,422 [1]
AMEA | Chocolate        
Segment Reporting [Line Items]        
Total net revenues 742 657 [1] 1,694 1,430 [1]
AMEA | Gum & Candy        
Segment Reporting [Line Items]        
Total net revenues 282 261 [1] 557 504 [1]
AMEA | Beverages        
Segment Reporting [Line Items]        
Total net revenues 115 122 [1] 269 286 [1]
AMEA | Meals        
Segment Reporting [Line Items]        
Total net revenues 97 95 [1] 204 195 [1]
Europe        
Segment Reporting [Line Items]        
Total net revenues 3,377 3,412 [1] 7,248 6,962 [1]
Europe | Biscuits & Baked Snacks        
Segment Reporting [Line Items]        
Total net revenues 1,311 1,289 [1] 2,523 2,377 [1]
Europe | Chocolate        
Segment Reporting [Line Items]        
Total net revenues 1,517 1,589 [1] 3,620 3,529 [1]
Europe | Gum & Candy        
Segment Reporting [Line Items]        
Total net revenues 152 146 [1] 306 308 [1]
Europe | Beverages        
Segment Reporting [Line Items]        
Total net revenues 27 26 [1] 60 63 [1]
Europe | Meals        
Segment Reporting [Line Items]        
Total net revenues 370 362 [1] 739 685 [1]
North America        
Segment Reporting [Line Items]        
Total net revenues 2,633 2,557 [1] 5,190 5,101 [1]
North America | Biscuits & Baked Snacks        
Segment Reporting [Line Items]        
Total net revenues 2,346 2,294 [1] 4,560 4,506 [1]
North America | Chocolate        
Segment Reporting [Line Items]        
Total net revenues 90 81 [1] 207 189 [1]
North America | Gum & Candy        
Segment Reporting [Line Items]        
Total net revenues 197 182 [1] 423 406 [1]
North America | Beverages        
Segment Reporting [Line Items]        
Total net revenues 0 0 [1] 0 0 [1]
North America | Meals        
Segment Reporting [Line Items]        
Total net revenues $ 0 $ 0 [1] $ 0 $ 0 [1]
[1] During the first quarter of 2026, we realigned some of our products between our biscuits & baked snacks and chocolate categories in the North America segment; as such, we reclassified $11 million and $19 million of product category net revenues from biscuits & baked snacks to chocolate for the three and six months ended June 30, 2025, respectively, on a basis consistent with the 2026 presentation.