Restructuring and Impairment Charges (Expected Pre-Tax Charges for 2019 Productivity Plan) (Details) - 2019 Productivity Plan [Member] $ in Millions	Sep. 04, 2021 USD ($)
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
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
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Percentage of Expect Costs	65.00%
Asset Impairments
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Percentage of Expect Costs	10.00%
Other Costs
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Percentage of Expect Costs	25.00%
Corporate Unallocated [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Percentage of Expect Costs	15.00%
Frito Lay North America [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Percentage of Expect Costs	15.00%
Quaker Foods North America [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Percentage of Expect Costs	1.00%
PepsiCo Beverages North America [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Percentage of Expect Costs	25.00%
Latin America (Segment)
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Percentage of Expect Costs	10.00%
Europe (Segment)
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Percentage of Expect Costs	25.00%
Africa, Middle East and South Asia [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Percentage of Expect Costs	6.00%
Asia Pacific, Australia and New Zealand, and China Region [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Percentage of Expect Costs	3.00%