Intangible Assets (Schedule of Change in Book Value of Nonamortizable Intangible Assets) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 25, 2021	Dec. 26, 2020	Dec. 28, 2019
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	$ 35,508	$ 36,369	$ 30,111
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	(564)	6,395
Acquisitions	(297)	(137)
Frito Lay North America [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	798	805	461
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	(8)	343
Acquisitions	1	1
PepsiCo Beverages North America [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	23,127	23,954	19,267
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	(505)	4,696
Acquisitions	(322)	(9)
Asia Pacific, Australia and New Zealand, and China Region [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	1,040	999	307
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	3	615
Acquisitions	38	77
Quaker Foods North America [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	189	189	200
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	0	0
Acquisitions	0	(11)
Africa, Middle East and South Asia [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	1,268	1,310	446
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	(2)	743
Acquisitions	(40)	121
Europe
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	8,553	8,546	8,804
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	(51)	(2)
Acquisitions	58	(256)
Latin America
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	533	566	626
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	(1)	0
Acquisitions	(32)	(60)
Goodwill [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	18,381	18,757	15,501
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	(251)	3,308
Acquisitions	(125)	(52)
Goodwill [Member] | Frito Lay North America [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	458	465	299
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	(8)	164
Acquisitions	1	2
Goodwill [Member] | PepsiCo Beverages North America [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	11,974	12,189	9,898
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	(216)	2,280
Acquisitions	1	11
Goodwill [Member] | Asia Pacific, Australia and New Zealand, and China Region [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	564	554	207
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	3	306
Acquisitions	7	41
Goodwill [Member] | Quaker Foods North America [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	189	189	189
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	0	0
Acquisitions	0	0
Goodwill [Member] | Africa, Middle East and South Asia [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	1,063	1,096	446
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	(2)	560
Acquisitions	(31)	90
Goodwill [Member] | Europe
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	3,700	3,806	3,961
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	(28)	(2)
Acquisitions	(78)	(153)
Goodwill [Member] | Latin America
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	433	458	501
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	0	0
Acquisitions	(25)	(43)
Reacquired Franchise Rights
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	7,548	7,603	7,594
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	(23)	0
Acquisitions	(32)	9
Reacquired Franchise Rights | PepsiCo Beverages North America [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	7,107	7,107	7,089
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	0	0
Acquisitions	0	18
Reacquired Franchise Rights | Europe
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	441	496	505
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	(23)	0
Acquisitions	(32)	(9)
Brands [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	7,883	8,301	5,342
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	(291)	3,071
Acquisitions	(127)	(112)
Brands [Member] | Frito Lay North America [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	340	340	162
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	0	179
Acquisitions	0	(1)
Brands [Member] | PepsiCo Beverages North America [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	2,508	3,122	763
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	(290)	2,400
Acquisitions	(324)	(41)
Brands [Member] | Asia Pacific, Australia and New Zealand, and China Region [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	476	445	100
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	0	309
Acquisitions	31	36
Brands [Member] | Quaker Foods North America [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	0	0	11
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	0	0
Acquisitions	0	(11)
Brands [Member] | Africa, Middle East and South Asia [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	205	214	0
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	0	183
Acquisitions	(9)	31
Brands [Member] | Europe
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	4,254	4,072	4,181
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	0	0
Acquisitions	182	(109)
Brands [Member] | Latin America
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	100	108	125
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	(1)	0
Acquisitions	(7)	(17)
Acquired Franchise Rights
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	1,696	1,708	1,674
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	1	16
Acquisitions	(13)	18
Acquired Franchise Rights | PepsiCo Beverages North America [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	1,538	1,536	1,517
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	1	16
Acquisitions	1	3
Acquired Franchise Rights | Europe
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	158	172	$ 157
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	0	0
Acquisitions	$ (14)	$ 15