Basis of Presentation and Our Divisions (Share-Based Compensation Expense) (Details)	12 Months Ended
	Dec. 25, 2021	Dec. 26, 2020	Dec. 28, 2019
Frito Lay North America [Member]
Segment Reporting Information [Line Items]
Share Based Compensation Percentage Allocation by Division	13.00%	13.00%	13.00%
Quaker Foods North America [Member]
Segment Reporting Information [Line Items]
Share Based Compensation Percentage Allocation by Division	1.00%	1.00%	1.00%
PepsiCo Beverages North America [Member]
Segment Reporting Information [Line Items]
Share Based Compensation Percentage Allocation by Division	19.00%	18.00%	17.00%
Africa, Middle East and South Asia [Member]
Segment Reporting Information [Line Items]
Share Based Compensation Percentage Allocation by Division	6.00%	6.00%	3.00%
Asia Pacific, Australia and New Zealand, and China Region [Member]
Segment Reporting Information [Line Items]
Share Based Compensation Percentage Allocation by Division	2.00%	2.00%	5.00%
Latin America
Segment Reporting Information [Line Items]
Share Based Compensation Percentage Allocation by Division	5.00%	6.00%	7.00%
Europe
Segment Reporting Information [Line Items]
Share Based Compensation Percentage Allocation by Division	13.00%	16.00%	17.00%
Corporate
Segment Reporting Information [Line Items]
Share Based Compensation Percentage Allocation by Division	41.00%	38.00%	37.00%