Restructuring and Impairment Charges - (Summary of 2019 Productivity Plan Charges) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 25, 2023	Mar. 19, 2022
Restructuring Cost and Reserve [Line Items]
Cash payments	$ (64)	$ (32)
2019 Productivity Plan
Restructuring Cost and Reserve [Line Items]
Liability as of December 31, 2022	196
2023 restructuring charges	112	$ 27
Cash payments	(64)
Non-cash charges and translation	(4)
Liability as of March 25, 2023	$ 240
Impact on net income attributable to PepsiCo per common share	$ (0.07)	$ (0.02)
Restructuring and Related Cost, Cost Incurred to Date	$ 1,567
2019 Productivity Plan | FLNA
Restructuring Cost and Reserve [Line Items]
2023 restructuring charges	7	$ 3
Restructuring and Related Cost, Cost Incurred to Date	217
2019 Productivity Plan | QFNA
Restructuring Cost and Reserve [Line Items]
2023 restructuring charges	0	0
Restructuring and Related Cost, Cost Incurred to Date	19
2019 Productivity Plan | PBNA
Restructuring Cost and Reserve [Line Items]
2023 restructuring charges	5	3
Restructuring and Related Cost, Cost Incurred to Date	231
2019 Productivity Plan | AMESA
Restructuring Cost and Reserve [Line Items]
2023 restructuring charges	5	2
Restructuring and Related Cost, Cost Incurred to Date	87
2019 Productivity Plan | APAC
Restructuring Cost and Reserve [Line Items]
2023 restructuring charges	1	1
Restructuring and Related Cost, Cost Incurred to Date	78
2019 Productivity Plan | LatAm
Restructuring Cost and Reserve [Line Items]
2023 restructuring charges	5	6
Restructuring and Related Cost, Cost Incurred to Date	176
2019 Productivity Plan | Europe
Restructuring Cost and Reserve [Line Items]
2023 restructuring charges	89	7
Restructuring and Related Cost, Cost Incurred to Date	432
Other than 2019 Productivity Plan
Restructuring Cost and Reserve [Line Items]
2023 restructuring charges	0
Corporate | 2019 Productivity Plan
Restructuring Cost and Reserve [Line Items]
2023 restructuring charges	1	5
Restructuring and Related Cost, Cost Incurred to Date	230
Severance and Other Employee Costs | 2019 Productivity Plan
Restructuring Cost and Reserve [Line Items]
Liability as of December 31, 2022	188
2023 restructuring charges	92	11
Cash payments	(44)
Non-cash charges and translation	(4)
Liability as of March 25, 2023	232
Restructuring and Related Cost, Cost Incurred to Date	899
[Asset Impairments] | 2019 Productivity Plan
Restructuring Cost and Reserve [Line Items]
2023 restructuring charges	0	0
Restructuring and Related Cost, Cost Incurred to Date	190
Other Costs | 2019 Productivity Plan
Restructuring Cost and Reserve [Line Items]
Liability as of December 31, 2022	8
2023 restructuring charges	20	16
Cash payments	(20)
Non-cash charges and translation	0
Liability as of March 25, 2023	8
Restructuring and Related Cost, Cost Incurred to Date	478
Cost of sales | 2019 Productivity Plan
Restructuring Cost and Reserve [Line Items]
2023 restructuring charges	3	5
Selling, general and administrative expenses | 2019 Productivity Plan
Restructuring Cost and Reserve [Line Items]
2023 restructuring charges	110	22
Other pension and retiree medical benefits income (a) | 2019 Productivity Plan
Restructuring Cost and Reserve [Line Items]
2023 restructuring charges	(1)	0
Restructuring and Related Cost, Cost Incurred to Date	97
Restructuring, Settlement and Impairment Provisions, less Other pension and retiree medical benefits expense | 2019 Productivity Plan
Restructuring Cost and Reserve [Line Items]
2023 restructuring charges	113	27
Restructuring and Related Cost, Cost Incurred to Date	1,470
After-tax amount | 2019 Productivity Plan
Restructuring Cost and Reserve [Line Items]
2023 restructuring charges	$ 98	$ 21