Segment Reporting Information by Net Revenue (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 19, 2022	Mar. 20, 2021
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Revenue	$ 16,200	$ 14,820
Frito Lay North America [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Revenue	4,839	4,236
Quaker Foods North America [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Revenue	713	646
PepsiCo Beverages North America [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Revenue	5,353	5,074
Latin America (Segment)
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Revenue	1,474	1,242
Europe (Segment)
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Revenue	1,797	1,795
Africa, Middle East and South Asia [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Revenue	1,004	883
Asia Pacific, Australia and New Zealand, and China Region [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Net Revenue	$ 1,020	$ 944