Restructuring and Impairment Charges (Summary of 2019 Productivity Plan Charges) (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 25, 2021	Dec. 26, 2020
Total Restructuring Cost and Reserve [Line Items]
Restructuring and impairment charges	$ 0	$ 1	$ (1)
Cash payments for restructuring charges	(224)	(256)	(255)
2019 Productivity Plan [Member]
Total Restructuring Cost and Reserve [Line Items]
Beginning Balance	71	127	149
Restructuring and impairment charges	411	247	289
Cash payments for restructuring charges	(224)	(256)	(255)
Non-cash charges and translation	(62)	(47)	(56)
Ending Balance	$ 196	$ 71	$ 127
Impact on net income attributable to PepsiCo per common share	$ (0.24)	$ (0.15)	$ (0.17)
Plan to Date through 12/31/2022	$ 1,455
Cash payments reported on the cash flow statement in pension and retiree medical contributions	1	$ 2	$ 2
Frito Lay North America [Member] | 2019 Productivity Plan [Member]
Total Restructuring Cost and Reserve [Line Items]
Restructuring and impairment charges	46	28	83
Plan to Date through 12/31/2022	210
Quaker Foods North America [Member] | 2019 Productivity Plan [Member]
Total Restructuring Cost and Reserve [Line Items]
Restructuring and impairment charges	7	0	5
Plan to Date through 12/31/2022	19
PepsiCo Beverages North America [Member] | 2019 Productivity Plan [Member]
Total Restructuring Cost and Reserve [Line Items]
Restructuring and impairment charges	68	20	47
Plan to Date through 12/31/2022	226
Africa, Middle East and South Asia [Member] | 2019 Productivity Plan [Member]
Total Restructuring Cost and Reserve [Line Items]
Restructuring and impairment charges	12	15	14
Plan to Date through 12/31/2022	82
Asia Pacific, Australia and New Zealand, and China Region [Member] | 2019 Productivity Plan [Member]
Total Restructuring Cost and Reserve [Line Items]
Restructuring and impairment charges	16	7	5
Plan to Date through 12/31/2022	77
Latin America | 2019 Productivity Plan [Member]
Total Restructuring Cost and Reserve [Line Items]
Restructuring and impairment charges	32	37	31
Plan to Date through 12/31/2022	171
Europe | 2019 Productivity Plan [Member]
Total Restructuring Cost and Reserve [Line Items]
Restructuring and impairment charges	109	81	48
Plan to Date through 12/31/2022	343
Severance and Other Employee Costs | 2019 Productivity Plan [Member]
Total Restructuring Cost and Reserve [Line Items]
Beginning Balance	64	122	128
Restructuring and impairment charges	243	120	158
Cash payments for restructuring charges	(90)	(163)	(138)
Non-cash charges and translation	(29)	(15)	(26)
Ending Balance	188	64	122
Plan to Date through 12/31/2022	807
Asset Impairments | 2019 Productivity Plan [Member]
Total Restructuring Cost and Reserve [Line Items]
Beginning Balance	0	0	0
Restructuring and impairment charges	33	32	33
Cash payments for restructuring charges	0	0	0
Non-cash charges and translation	(33)	(32)	(33)
Ending Balance	0	0	0
Plan to Date through 12/31/2022	190
Other Costs | 2019 Productivity Plan [Member]
Total Restructuring Cost and Reserve [Line Items]
Beginning Balance	7	5	21
Restructuring and impairment charges	135	95	98
Cash payments for restructuring charges	(134)	(93)	(117)
Non-cash charges and translation	0	0	3
Ending Balance	8	7	5
Plan to Date through 12/31/2022	458
Cost of sales | 2019 Productivity Plan [Member]
Total Restructuring Cost and Reserve [Line Items]
Restructuring and impairment charges	33	29	30
Selling, general and administrative expenses | 2019 Productivity Plan [Member]
Total Restructuring Cost and Reserve [Line Items]
Restructuring and impairment charges	347	208	239
Other pension and retiree medical benefits expense | 2019 Productivity Plan [Member]
Total Restructuring Cost and Reserve [Line Items]
Restructuring and impairment charges	31	10	20
Plan to Date through 12/31/2022	98
After-tax amount | 2019 Productivity Plan [Member]
Total Restructuring Cost and Reserve [Line Items]
Restructuring and impairment charges	334	206	231
Restructuring, Settlement and Impairment Provisions, less Other pension and retiree medical benefits expense [Member] | 2019 Productivity Plan [Member]
Total Restructuring Cost and Reserve [Line Items]
Restructuring and impairment charges	380	237	269
Plan to Date through 12/31/2022	1,357
Corporate | 2019 Productivity Plan [Member]
Total Restructuring Cost and Reserve [Line Items]
Restructuring and impairment charges	90	$ 49	$ 36
Plan to Date through 12/31/2022	$ 229