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. 29, 2018	Dec. 30, 2017	Dec. 31, 2016
Segment Reporting Information [Line Items]
Amortization of Intangible Assets	$ 69	$ 68	$ 70
Depreciation and Other Amortization	2,330	2,301	2,298
Frito Lay North America [Member]
Segment Reporting Information [Line Items]
Amortization of Intangible Assets	7	7	7
Depreciation and Other Amortization	457	449	435
Quaker Foods North America [Member]
Segment Reporting Information [Line Items]
Amortization of Intangible Assets	0	0	0
Depreciation and Other Amortization	45	47	50
North America Beverages [Member]
Segment Reporting Information [Line Items]
Amortization of Intangible Assets	31	31	37
Depreciation and Other Amortization	821	780	809
Latin America [Member]
Segment Reporting Information [Line Items]
Amortization of Intangible Assets	5	5	5
Depreciation and Other Amortization	253	245	211
Europe Sub-Saharan Africa [Member]
Segment Reporting Information [Line Items]
Amortization of Intangible Assets	23	22	18
Depreciation and Other Amortization	331	329	321
Asia, Middle East and North Africa [Member]
Segment Reporting Information [Line Items]
Amortization of Intangible Assets	3	3	3
Depreciation and Other Amortization	237	257	294
Total Division
Segment Reporting Information [Line Items]
Amortization of Intangible Assets	69	68	70
Depreciation and Other Amortization	2,144	2,107	2,120
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Amortization of Intangible Assets	0	0	0
Depreciation and Other Amortization	$ 186	$ 194	$ 178