v3.26.1
Accumulated Other Comprehensive Loss Attributable to PepsiCo - Schedule of Accumulated Other Comprehensive Loss (Detail) - USD ($)
$ in Millions
3 Months Ended
Mar. 21, 2026
Mar. 22, 2025
Dec. 27, 2025
Dec. 28, 2024
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]        
Beginning balance $ (13,494) $ (15,217)    
Other comprehensive income/(loss) before reclassifications (c) 757 410    
Amounts reclassified from accumulated other comprehensive loss 0 0    
Net other comprehensive income 757 410    
Tax amounts (38) 26    
Ending balance (12,775) (14,781)    
Net other comprehensive income 71 27    
Beginning balance 2,262 2,714    
Other comprehensive (loss)/income before reclassifications (d) (10) (4)    
Amounts reclassified from accumulated other comprehensive loss 19 (17)    
Net other comprehensive (loss)/income 9 13    
Tax amounts (3) (3)    
Ending balance 2,256 2,704    
Beginning balance 606 237    
Other Comprehensive Income (Loss), before Reclassifications, before Tax (129) 87    
Amounts reclassified from accumulated other comprehensive loss 0 0    
Other Comprehensive Income, Other, Before Tax (129) 87    
Tax amounts 31 (21)    
Ending balance 508 303    
OCI, before Reclassifications, before Tax, Attributable to Parent 726 551    
Reclassification from AOCI, Current Period, before Tax, Attributable to Parent 18 (14)    
Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent 708 537    
Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent (26) (3)    
Accumulated Other Comprehensive Income (Loss), Net of Tax (14,342) (17,078) $ (15,024) $ (17,612)
Net of taxes decrease to opening balance of accumulated other comprehensive loss attributable to Pepsico 1,135 1,279 $ 1,138 $ 1,282
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning balance 126 82    
Other comprehensive income/(loss) before reclassifications (c) 108 58    
Net gains before tax (37) 31    
Net other comprehensive income 71 27    
Tax amounts (16) (5)    
Ending balance $ 181 $ 104