Restructuring and Impairment Charges - (Summary of 2019 Productivity Plan Charges) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 15, 2024	Jun. 17, 2023	Jun. 15, 2024	Jun. 17, 2023
Restructuring Cost and Reserve [Line Items]
Cash payments			$ (173)	$ (187)
2019 Productivity Plan
Restructuring Cost and Reserve [Line Items]
Liability as of December 30, 2023			197
2024 restructuring charges	$ 74	$ 92	170	$ 204
Cash payments			(173)
Non-cash charges and translation			(1)
Liability as of June 15, 2024	$ 193		$ 193
Impact on net income attributable to PepsiCo per common share	$ (0.04)	$ (0.05)	$ (0.09)	$ (0.12)
Restructuring and Related Cost, Cost Incurred to Date	$ 2,070		$ 2,070
2019 Productivity Plan | FLNA
Restructuring Cost and Reserve [Line Items]
2024 restructuring charges	13	$ 6	35	$ 13
Restructuring and Related Cost, Cost Incurred to Date	287		287
2019 Productivity Plan | QFNA
Restructuring Cost and Reserve [Line Items]
2024 restructuring charges	0	0	4	0
Restructuring and Related Cost, Cost Incurred to Date	23		23
2019 Productivity Plan | PBNA
Restructuring Cost and Reserve [Line Items]
2024 restructuring charges	5	5	15	10
Restructuring and Related Cost, Cost Incurred to Date	282		282
2019 Productivity Plan | AMESA
Restructuring Cost and Reserve [Line Items]
2024 restructuring charges	3	0	3	5
Restructuring and Related Cost, Cost Incurred to Date	100		100
2019 Productivity Plan | APAC
Restructuring Cost and Reserve [Line Items]
2024 restructuring charges	4	4	4	5
Restructuring and Related Cost, Cost Incurred to Date	89		89
2019 Productivity Plan | LatAm
Restructuring Cost and Reserve [Line Items]
2024 restructuring charges	16	6	21	11
Restructuring and Related Cost, Cost Incurred to Date	221		221
2019 Productivity Plan | Europe
Restructuring Cost and Reserve [Line Items]
2024 restructuring charges	19	52	37	141
Restructuring and Related Cost, Cost Incurred to Date	603		603
Other than 2019 Productivity Plan
Restructuring Cost and Reserve [Line Items]
2024 restructuring charges			0
Corporate | 2019 Productivity Plan
Restructuring Cost and Reserve [Line Items]
2024 restructuring charges	6	19	36	20
Restructuring and Related Cost, Cost Incurred to Date	353		353
Severance and Other Employee Costs | 2019 Productivity Plan
Restructuring Cost and Reserve [Line Items]
Liability as of December 30, 2023			188
2024 restructuring charges	10	50	82	142
Cash payments			(84)
Non-cash charges and translation			(11)
Liability as of June 15, 2024	175		175
Restructuring and Related Cost, Cost Incurred to Date	1,132		1,132
Asset Impairments | 2019 Productivity Plan
Restructuring Cost and Reserve [Line Items]
Liability as of December 30, 2023			0
2024 restructuring charges	3	0	4	0
Cash payments			0
Non-cash charges and translation			(4)
Liability as of June 15, 2024	0		0
Restructuring and Related Cost, Cost Incurred to Date	196		196
Other Costs | 2019 Productivity Plan
Restructuring Cost and Reserve [Line Items]
Liability as of December 30, 2023			9
2024 restructuring charges	61	42	84	62
Cash payments			(89)
Non-cash charges and translation			14
Liability as of June 15, 2024	18		18
Restructuring and Related Cost, Cost Incurred to Date	742		742
Cost of sales | 2019 Productivity Plan
Restructuring Cost and Reserve [Line Items]
2024 restructuring charges	0	3	6	6
Selling, general and administrative expenses | 2019 Productivity Plan
Restructuring Cost and Reserve [Line Items]
2024 restructuring charges	66	89	149	199
Other pension and retiree medical benefits expense/(income) (a) | 2019 Productivity Plan
Restructuring Cost and Reserve [Line Items]
2024 restructuring charges	8	0	15	(1)
Restructuring and Related Cost, Cost Incurred to Date	112		112
Restructuring, Settlement and Impairment Provisions, less Other pension and retiree medical benefits expense | 2019 Productivity Plan
Restructuring Cost and Reserve [Line Items]
2024 restructuring charges	66	92	155	205
Restructuring and Related Cost, Cost Incurred to Date	1,958		1,958
After-tax amount | 2019 Productivity Plan
Restructuring Cost and Reserve [Line Items]
2024 restructuring charges	$ 54	$ 63	$ 130	$ 161