Restructuring and Impairment Charges (Expected Pre-Tax Charges for 2019 Productivity Plan) (Details) - 2019 Productivity Plan [Member] $ in Millions	Dec. 25, 2021 USD ($)
Total Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	$ 3,150
Restructuring and Related Cost, Expected Cash Expenditures	2,400
Previous Estimate
Total Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	2,500
Restructuring and Related Cost, Expected Cash Expenditures	$ 1,600
Severance and Other Employee Costs
Total Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Percentage of Expect Costs	55.00%
Asset Impairments
Total Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Percentage of Expect Costs	10.00%
Other Costs
Total Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Percentage of Expect Costs	35.00%
Corporate
Total Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Percentage of Expect Costs	15.00%
Frito Lay North America [Member]
Total Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Percentage of Expect Costs	15.00%
Quaker Foods North America [Member]
Total Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Percentage of Expect Costs	1.00%
PepsiCo Beverages North America [Member]
Total Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Percentage of Expect Costs	25.00%
Latin America
Total Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Percentage of Expect Costs	10.00%
Europe
Total Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Percentage of Expect Costs	25.00%
Africa, Middle East and South Asia [Member]
Total Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Percentage of Expect Costs	5.00%
Asia Pacific, Australia and New Zealand, and China Region [Member]
Total Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Percentage of Expect Costs	4.00%