Change in Book Value of Nonamortizable Intangible Assets (Detail) - USD ($) $ in Millions	6 Months Ended
	Jun. 11, 2022	Dec. 25, 2021
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	$ 34,290	$ 35,508
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	231
Goodwill and Intangible Asset Impairment	(1,449)
Frito Lay North America [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	799	798
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	1
Goodwill and Intangible Asset Impairment	0
QFNA
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	189	189
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	0
Goodwill and Intangible Asset Impairment	0
PepsiCo Beverages North America [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	23,134	23,127
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	7
Goodwill and Intangible Asset Impairment	0
Africa, Middle East and South Asia [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	1,274	1,268
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	6
Goodwill and Intangible Asset Impairment	0
Asia Pacific, Australia and New Zealand, and China Region [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	998	1,040
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	(42)
Goodwill and Intangible Asset Impairment	0
Latin America (Segment)
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	541	533
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	37
Goodwill and Intangible Asset Impairment	(29)
Europe (Segment)
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	7,355	8,553
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	222
Goodwill and Intangible Asset Impairment	(1,420)
Goodwill
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	18,547	18,381
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	166
Goodwill and Intangible Asset Impairment	0
Goodwill | Frito Lay North America [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	459	458
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	1
Goodwill and Intangible Asset Impairment	0
Goodwill | QFNA
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	189	189
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	0
Goodwill and Intangible Asset Impairment	0
Goodwill | PepsiCo Beverages North America [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	11,975	11,974
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	1
Goodwill and Intangible Asset Impairment	0
Goodwill | Africa, Middle East and South Asia [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	1,065	1,063
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	2
Goodwill and Intangible Asset Impairment	0
Goodwill | Asia Pacific, Australia and New Zealand, and China Region [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	540	564
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	(24)
Goodwill and Intangible Asset Impairment	0
Goodwill | Latin America (Segment)
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	460	433
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	27
Goodwill and Intangible Asset Impairment	0
Goodwill | Europe (Segment)
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	3,859	3,700
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	159
Goodwill and Intangible Asset Impairment	0
Brands
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	6,497	7,883
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	63
Goodwill and Intangible Asset Impairment	(1,449)
Brands | Frito Lay North America [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	340	340
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	0
Goodwill and Intangible Asset Impairment	0
Brands | PepsiCo Beverages North America [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	2,508	2,508
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	0
Goodwill and Intangible Asset Impairment	0
Brands | Africa, Middle East and South Asia [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	209	205
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	4
Goodwill and Intangible Asset Impairment	0
Brands | Asia Pacific, Australia and New Zealand, and China Region [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	458	476
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	(18)
Goodwill and Intangible Asset Impairment	0
Brands | Latin America (Segment)
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	81	100
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	10
Goodwill and Intangible Asset Impairment	(29)
Brands | Europe (Segment)
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	2,901	4,254
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	67
Goodwill and Intangible Asset Impairment	(1,420)
Reacquired Franchise Rights
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	7,558	7,548
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	10
Goodwill and Intangible Asset Impairment	0
Reacquired Franchise Rights | PepsiCo Beverages North America [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	7,113	7,107
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	6
Goodwill and Intangible Asset Impairment	0
Reacquired Franchise Rights | Europe (Segment)
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	445	441
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	4
Goodwill and Intangible Asset Impairment	0
Acquired franchise rights
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	1,688	1,696
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	(8)
Goodwill and Intangible Asset Impairment	0
Acquired franchise rights | PepsiCo Beverages North America [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	1,538	1,538
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	0
Goodwill and Intangible Asset Impairment	0
Acquired franchise rights | Europe (Segment)
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	150	$ 158
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	8
Goodwill and Intangible Asset Impairment	$ 0