Restructuring and Impairment Charges - (Summary of 2019 Productivity Plan Charges) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		8 Months Ended
	Sep. 03, 2022	Sep. 04, 2021	Sep. 03, 2022	Sep. 04, 2021
Restructuring Cost and Reserve [Line Items]
Cash payments			$ (134)	$ (165)
2019 Productivity Plan
Restructuring Cost and Reserve [Line Items]
Liability as of December 25, 2021			71
2022 restructuring charges	$ 51	$ 52	126	$ 129
Cash payments			(134)
Non-cash charges and translation			(13)
Liability as of September 3, 2022	$ 50		$ 50
Impact on net income attributable to PepsiCo per common share	$ (0.03)	$ (0.03)	$ (0.07)	$ (0.08)
Restructuring and Related Cost, Cost Incurred to Date	$ 1,170		$ 1,170
2019 Productivity Plan | FLNA
Restructuring Cost and Reserve [Line Items]
2022 restructuring charges	4	$ 2	10	$ 20
Restructuring and Related Cost, Cost Incurred to Date	174		174
2019 Productivity Plan | QFNA
Restructuring Cost and Reserve [Line Items]
2022 restructuring charges	1	1	1	1
Restructuring and Related Cost, Cost Incurred to Date	13		13
2019 Productivity Plan | PBNA
Restructuring Cost and Reserve [Line Items]
2022 restructuring charges	4	3	9	8
Restructuring and Related Cost, Cost Incurred to Date	167		167
2019 Productivity Plan | AMESA
Restructuring Cost and Reserve [Line Items]
2022 restructuring charges	0	5	5	9
Restructuring and Related Cost, Cost Incurred to Date	75		75
2019 Productivity Plan | APAC
Restructuring Cost and Reserve [Line Items]
2022 restructuring charges	4	1	8	2
Restructuring and Related Cost, Cost Incurred to Date	69		69
2019 Productivity Plan | LatAm
Restructuring Cost and Reserve [Line Items]
2022 restructuring charges	3	14	17	22
Restructuring and Related Cost, Cost Incurred to Date	156		156
2019 Productivity Plan | Europe
Restructuring Cost and Reserve [Line Items]
2022 restructuring charges	21	20	40	46
Restructuring and Related Cost, Cost Incurred to Date	274		274
Other than 2019 Productivity Plan
Restructuring Cost and Reserve [Line Items]
2022 restructuring charges			0
Corporate | 2019 Productivity Plan
Restructuring Cost and Reserve [Line Items]
2022 restructuring charges	14	5	33	15
Restructuring and Related Cost, Cost Incurred to Date	172		172
Severance and Other Employee Costs | 2019 Productivity Plan
Restructuring Cost and Reserve [Line Items]
Liability as of December 25, 2021			64
2022 restructuring charges	10	28	41	77
Cash payments			(55)
Non-cash charges and translation			(6)
Liability as of September 3, 2022	44		44
Restructuring and Related Cost, Cost Incurred to Date	605		605
Asset Impairments | 2019 Productivity Plan
Restructuring Cost and Reserve [Line Items]
Liability as of December 25, 2021			0
2022 restructuring charges	7	3	7	4
Cash payments			0
Non-cash charges and translation			(7)
Liability as of September 3, 2022	0		0
Restructuring and Related Cost, Cost Incurred to Date	164		164
Other Costs | 2019 Productivity Plan
Restructuring Cost and Reserve [Line Items]
Liability as of December 25, 2021			7
2022 restructuring charges	34	21	78	48
Cash payments			(79)
Non-cash charges and translation			0
Liability as of September 3, 2022	6		6
Restructuring and Related Cost, Cost Incurred to Date	401		401
Cost of sales | 2019 Productivity Plan
Restructuring Cost and Reserve [Line Items]
2022 restructuring charges	1	9	6	13
Selling, general and administrative expenses | 2019 Productivity Plan
Restructuring Cost and Reserve [Line Items]
2022 restructuring charges	50	42	117	110
Other pension and retiree medical benefits expense | 2019 Productivity Plan
Restructuring Cost and Reserve [Line Items]
2022 restructuring charges	0	1	3	6
Restructuring and Related Cost, Cost Incurred to Date	70		70
Restructuring, Settlement and Impairment Provisions, less Other pension and retiree medical benefits expense | 2019 Productivity Plan
Restructuring Cost and Reserve [Line Items]
2022 restructuring charges	51	51	123	123
Restructuring and Related Cost, Cost Incurred to Date	1,100		1,100
After-tax amount | 2019 Productivity Plan
Restructuring Cost and Reserve [Line Items]
2022 restructuring charges	$ 40	$ 45	$ 101	$ 109