Restructuring and Impairment Charges - (Summary of 2019 Productivity Plan Charges) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		8 Months Ended
	Sep. 09, 2023	Sep. 03, 2022	Sep. 09, 2023	Sep. 03, 2022
Restructuring Cost and Reserve [Line Items]
Cash payments			$ (283)	$ (134)
2019 Productivity Plan
Restructuring Cost and Reserve [Line Items]
Liability as of December 31, 2022			196
2023 restructuring charges	$ 83	$ 51	287	$ 126
Cash payments			(283)
Non-cash charges and translation			(8)
Liability as of September 9, 2023	$ 192		$ 192
Impact on net income attributable to PepsiCo per common share	$ (0.05)	$ (0.03)	$ (0.16)	$ (0.07)
Restructuring and Related Cost, Cost Incurred to Date	$ 1,742		$ 1,742
2019 Productivity Plan | FLNA
Restructuring Cost and Reserve [Line Items]
2023 restructuring charges	6	$ 4	19	$ 10
Restructuring and Related Cost, Cost Incurred to Date	229		229
2019 Productivity Plan | QFNA
Restructuring Cost and Reserve [Line Items]
2023 restructuring charges	0	1	0	1
Restructuring and Related Cost, Cost Incurred to Date	19		19
2019 Productivity Plan | PBNA
Restructuring Cost and Reserve [Line Items]
2023 restructuring charges	8	4	18	9
Restructuring and Related Cost, Cost Incurred to Date	244		244
2019 Productivity Plan | AMESA
Restructuring Cost and Reserve [Line Items]
2023 restructuring charges	5	0	10	5
Restructuring and Related Cost, Cost Incurred to Date	92		92
2019 Productivity Plan | APAC
Restructuring Cost and Reserve [Line Items]
2023 restructuring charges	2	4	7	8
Restructuring and Related Cost, Cost Incurred to Date	84		84
2019 Productivity Plan | LatAm
Restructuring Cost and Reserve [Line Items]
2023 restructuring charges	8	3	19	17
Restructuring and Related Cost, Cost Incurred to Date	190		190
2019 Productivity Plan | Europe
Restructuring Cost and Reserve [Line Items]
2023 restructuring charges	44	21	185	40
Restructuring and Related Cost, Cost Incurred to Date	528		528
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	10	14	30	33
Restructuring and Related Cost, Cost Incurred to Date	259		259
Severance and Other Employee Costs | 2019 Productivity Plan
Restructuring Cost and Reserve [Line Items]
Liability as of December 31, 2022			188
2023 restructuring charges	39	10	181	41
Cash payments			(174)
Non-cash charges and translation			(8)
Liability as of September 9, 2023	187		187
Restructuring and Related Cost, Cost Incurred to Date	988		988
Asset Impairments | 2019 Productivity Plan
Restructuring Cost and Reserve [Line Items]
Liability as of December 31, 2022			0
2023 restructuring charges	1	7	1	7
Cash payments			0
Non-cash charges and translation			(1)
Liability as of September 9, 2023	0		0
Restructuring and Related Cost, Cost Incurred to Date	191		191
Other Costs | 2019 Productivity Plan
Restructuring Cost and Reserve [Line Items]
Liability as of December 31, 2022			8
2023 restructuring charges	43	34	105	78
Cash payments			(109)
Non-cash charges and translation			1
Liability as of September 9, 2023	5		5
Restructuring and Related Cost, Cost Incurred to Date	563		563
Cost of sales | 2019 Productivity Plan
Restructuring Cost and Reserve [Line Items]
2023 restructuring charges	4	1	10	6
Selling, general and administrative expenses | 2019 Productivity Plan
Restructuring Cost and Reserve [Line Items]
2023 restructuring charges	79	50	278	117
Other pension and retiree medical benefits (income)/expense (a) | 2019 Productivity Plan
Restructuring Cost and Reserve [Line Items]
2023 restructuring charges	0	0	(1)	3
Restructuring and Related Cost, Cost Incurred to Date	97		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	83	51	288	123
Restructuring and Related Cost, Cost Incurred to Date	1,645		1,645
After-tax amount | 2019 Productivity Plan
Restructuring Cost and Reserve [Line Items]
2023 restructuring charges	$ 67	$ 40	$ 228	$ 101