Restructuring, Impairment and Integration Charges Restructuring, Impairment and Integration Charges (Summary of 2019 Productivity Plan Charges) (Details) - USD ($) $ / shares in Units, $ in Millions		12 Months Ended
		Dec. 29, 2018	Dec. 30, 2017	Dec. 31, 2016
Restructuring Cost and Reserve [Line Items]
Cost of sales		$ 29,381	$ 28,796	$ 28,222
Selling, general and administrative expenses		25,170	24,453	24,773
Restructuring, Settlement and Impairment Provisions		308	295	160
2019 Productivity Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, Settlement and Impairment Provisions		138	$ 0	$ 0
Restructuring, Settlement and Impairment Provisions, less Other pension and retiree medical benefits expense		103
Restructuring, Settlement and Impairment Provisions, After Tax		$ 109
Restructuring, Settlement and Impairment Provisions, Net of Tax, Per Share Amount		$ 0.08
Restructuring Reserve, Settled without Cash		$ (32)
Restructuring Reserve		106
2019 Productivity Plan [Member]
Restructuring Cost and Reserve [Line Items]
Cost of sales		3
Selling, general and administrative expenses		100
Frito Lay North America [Member] | 2019 Productivity Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, Settlement and Impairment Provisions		31
Quaker Foods North America [Member] | 2019 Productivity Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, Settlement and Impairment Provisions		5
North America Beverages [Member] | 2019 Productivity Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, Settlement and Impairment Provisions		40
Latin America [Member] | 2019 Productivity Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, Settlement and Impairment Provisions		9
Europe Sub-Saharan Africa [Member] | 2019 Productivity Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, Settlement and Impairment Provisions		8
Asia, Middle East and North Africa [Member] | 2019 Productivity Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, Settlement and Impairment Provisions		3
Corporate, Non-Segment [Member] | 2019 Productivity Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, Settlement and Impairment Provisions		7
Pension Costs [Member] | 2019 Productivity Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, Settlement and Impairment Provisions		35
Employee Severance [Member] | 2019 Productivity Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, Settlement and Impairment Provisions		137
Restructuring Reserve, Settled without Cash		(32)
Restructuring Reserve		105
Asset Impairment [Member] | 2019 Productivity Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, Settlement and Impairment Provisions		0
Restructuring Reserve, Settled without Cash		0
Restructuring Reserve		0
Other Restructuring [Member] | 2019 Productivity Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, Settlement and Impairment Provisions	[1]	1
Restructuring Reserve, Settled without Cash	[1]	0
Restructuring Reserve	[1]	$ 1

[1] Includes other costs associated with the implementation of our initiatives, including consulting and other professional fees.