Basis of Presentation and Our Divisions (Schedule of Segment Reporting Information, by Segment) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 25, 2021	Dec. 26, 2020	Dec. 28, 2019
Segment Reporting Information [Line Items]
Net Revenue	$ 79,474	$ 70,372	$ 67,161
Operating Profit	11,162	10,080	10,291
Frito Lay North America [Member]
Segment Reporting Information [Line Items]
Net Revenue	19,608	18,189	17,078
Operating Profit	5,633	5,340	5,258
Quaker Foods North America [Member]
Segment Reporting Information [Line Items]
Net Revenue	2,751	2,742	2,482
Operating Profit	578	669	544
PepsiCo Beverages North America [Member]
Segment Reporting Information [Line Items]
Net Revenue	25,276	22,559	21,730
Operating Profit	2,442	1,937	2,179
Africa, Middle East and South Asia [Member]
Segment Reporting Information [Line Items]
Net Revenue	6,078	4,573	3,651
Operating Profit	858	600	671
Asia Pacific, Australia and New Zealand, and China Region [Member]
Segment Reporting Information [Line Items]
Net Revenue	4,615	3,445	2,919
Operating Profit	673	590	477
Europe
Segment Reporting Information [Line Items]
Net Revenue	13,038	11,922	11,728
Operating Profit	1,292	1,353	1,327
Latin America
Segment Reporting Information [Line Items]
Net Revenue	8,108	6,942	7,573
Operating Profit	1,369	1,033	1,141
Operating Segments [Member]
Segment Reporting Information [Line Items]
Operating Profit	12,845	11,522	11,597
Corporate
Segment Reporting Information [Line Items]
Net Revenue	0	0	0
Operating Profit	$ (1,683)	$ (1,442)	$ (1,306)