Basis of Presentation and Our Divisions (COVID-19) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 30, 2023	Dec. 31, 2022	Dec. 25, 2021
Segment Reporting Information [Line Items]
Charges Related to Novel Coronavirus (COVID-19)		$ 95	$ 148
Insigificant Charges Related to Novel Coronavirus (COVID-19)	not significant
Frito Lay North America [Member]
Segment Reporting Information [Line Items]
Charges Related to Novel Coronavirus (COVID-19)		25	56
Quaker Foods North America [Member]
Segment Reporting Information [Line Items]
Charges Related to Novel Coronavirus (COVID-19)		1	2
PepsiCo Beverages North America [Member]
Segment Reporting Information [Line Items]
Charges Related to Novel Coronavirus (COVID-19)		23	(11)
Africa, Middle East and South Asia [Member]
Segment Reporting Information [Line Items]
Charges Related to Novel Coronavirus (COVID-19)		5	7
Asia Pacific, Australia and New Zealand, and China Region [Member]
Segment Reporting Information [Line Items]
Charges Related to Novel Coronavirus (COVID-19)		21	9
Latin America
Segment Reporting Information [Line Items]
Charges Related to Novel Coronavirus (COVID-19)		15	64
Europe
Segment Reporting Information [Line Items]
Charges Related to Novel Coronavirus (COVID-19)		$ 5	$ 21