Basis of Presentation and Our Divisions (Segment Reporting Information by Amortization of Intangible Assets and Depreciation and Other Amortization) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 25, 2021	Dec. 26, 2020	Dec. 28, 2019
Segment Reporting Information [Line Items]
Amortization of Intangible Assets	$ 91	$ 90	$ 81
Depreciation and Other Amortization	2,619	2,458	2,351
Frito Lay North America [Member]
Segment Reporting Information [Line Items]
Amortization of Intangible Assets	11	10	7
Depreciation and Other Amortization	594	550	492
Quaker Foods North America [Member]
Segment Reporting Information [Line Items]
Amortization of Intangible Assets	0	0	0
Depreciation and Other Amortization	46	41	44
PepsiCo Beverages North America [Member]
Segment Reporting Information [Line Items]
Amortization of Intangible Assets	25	28	29
Depreciation and Other Amortization	926	899	857
Europe
Segment Reporting Information [Line Items]
Amortization of Intangible Assets	37	40	37
Depreciation and Other Amortization	364	350	341
Africa, Middle East and South Asia [Member]
Segment Reporting Information [Line Items]
Amortization of Intangible Assets	5	3	2
Depreciation and Other Amortization	181	149	116
Asia Pacific, Australia and New Zealand, and China Region [Member]
Segment Reporting Information [Line Items]
Amortization of Intangible Assets	9	5	1
Depreciation and Other Amortization	102	91	76
Latin America
Segment Reporting Information [Line Items]
Amortization of Intangible Assets	4	4	5
Depreciation and Other Amortization	283	251	270
Operating Segments [Member]
Segment Reporting Information [Line Items]
Amortization of Intangible Assets	91	90	81
Depreciation and Other Amortization	2,496	2,331	2,196
Corporate
Segment Reporting Information [Line Items]
Amortization of Intangible Assets	0	0	0
Depreciation and Other Amortization	$ 123	$ 127	$ 155