Change in Book Value of Nonamortizable Intangible Assets (Detail) - USD ($) $ in Millions	8 Months Ended
Sep. 07, 2019	Dec. 29, 2018
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	$ 29,713	$ 28,989
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	691
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	33
Frito Lay North America [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	460	458
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	(3)
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	5
QFNA
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	205	209
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	(4)
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	0
PepsiCo Beverages North America [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	19,226	18,734
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	456
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	36
Latin America [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	613	636
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	0
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	(23)
Europe Sub-Saharan Africa
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	8,742	8,457
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	246
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	39
Asia, Middle East and North Africa [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	467	495
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	(4)
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	(24)
Goodwill
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	15,338	14,808
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	532
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	(2)
Goodwill \| Frito Lay North America [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	298	297
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	(3)
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	4
Goodwill \| QFNA
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	194	184
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	10
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	0
Goodwill \| PepsiCo Beverages North America [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	9,961	9,813
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	134
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	14
Goodwill \| Latin America [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	492	509
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	0
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	(17)
Goodwill \| Europe Sub-Saharan Africa
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	4,022	3,611
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	395
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	16
Goodwill \| Asia, Middle East and North Africa [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	371	394
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	(4)
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	(19)
Brands
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	5,137	4,955
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	159
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	23
Brands \| Frito Lay North America [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	162	161
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	0
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	1
Brands \| QFNA
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	11	25
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	(14)
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	0
Brands \| PepsiCo Beverages North America [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	668	353
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	322
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	(7)
Brands \| Latin America [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	121	127
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	0
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	(6)
Brands \| Europe Sub-Saharan Africa
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	4,079	4,188
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	(149)
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	40
Brands \| Asia, Middle East and North Africa [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	96	101
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	0
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	(5)
Reacquired Franchise Rights
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	7,568	7,555
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	0
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	13
Reacquired Franchise Rights \| PepsiCo Beverages North America [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	7,082	7,058
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	0
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	24
Reacquired Franchise Rights \| Europe Sub-Saharan Africa
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	486	497
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	0
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	(11)
Acquired franchise rights
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	1,670	1,671
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	0
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	(1)
Acquired franchise rights \| PepsiCo Beverages North America [Member]
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	1,515	1,510
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	0
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	5
Acquired franchise rights \| Europe Sub-Saharan Africa
Indefinite-lived Intangible Assets [Line Items]
Indefinite-Lived Intangible Assets	155	$ 161
Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period	0
Indefinite-lived Intangible Assets [Roll Forward]
Translation and Other	$ (6)

Change in Book Value of Nonamortizable Intangible Assets (Detail) - USD ($)
$ in Millions

8 Months Ended

Sep. 07, 2019

Dec. 29, 2018

Indefinite-lived Intangible Assets [Line Items]

Indefinite-Lived Intangible Assets

$ 29,713

$ 28,989

Goodwill and Indefinite-lived Intangible Assets, Acquired (Divested) During Period

691

Indefinite-lived Intangible Assets [Roll Forward]

Translation and Other