Segment Reporting Information by COVID-19 Charges (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 11, 2022	Jun. 12, 2021	Jun. 11, 2022	Jun. 12, 2021
Unusual or Infrequent Item, or Both [Line Items]
Charges Related to Novel Coronavirus (COVID-19)	$ 24	$ 35	$ 60	$ 96
Frito Lay North America [Member]
Unusual or Infrequent Item, or Both [Line Items]
Charges Related to Novel Coronavirus (COVID-19)	5	14	19	38
Quaker Foods North America [Member]
Unusual or Infrequent Item, or Both [Line Items]
Charges Related to Novel Coronavirus (COVID-19)	0	1	1	3
PepsiCo Beverages North America [Member]
Unusual or Infrequent Item, or Both [Line Items]
Charges Related to Novel Coronavirus (COVID-19)	1	(11)	11	2
Latin America (Segment)
Unusual or Infrequent Item, or Both [Line Items]
Charges Related to Novel Coronavirus (COVID-19)	4	17	10	32
Europe (Segment)
Unusual or Infrequent Item, or Both [Line Items]
Charges Related to Novel Coronavirus (COVID-19)	2	9	3	15
Africa, Middle East and South Asia [Member]
Unusual or Infrequent Item, or Both [Line Items]
Charges Related to Novel Coronavirus (COVID-19)	1	3	3	2
Asia Pacific, Australia and New Zealand, and China Region [Member]
Unusual or Infrequent Item, or Both [Line Items]
Charges Related to Novel Coronavirus (COVID-19)	$ 11	$ 2	$ 13	$ 4