Restructuring, Impairment and Integration Charges Restructuring, Impairment and Integration Charges (Summary of 2014 Productivity Plan Charges) (Details) - USD ($) $ / shares in Units, $ in Millions		12 Months Ended
		Dec. 29, 2018		Dec. 30, 2017		Dec. 31, 2016	Dec. 26, 2015
Restructuring Cost and Reserve [Line Items]
Selling, general and administrative expenses		$ 25,170		$ 24,453		$ 24,773
Restructuring, Settlement and Impairment Provisions		308		295		160
Payments for Restructuring		(255)		(113)		(125)
2014 Productivity Plan
Restructuring Cost and Reserve [Line Items]
Selling, general and administrative expenses		169		229		155
2014 Productivity Plan
Restructuring Cost and Reserve [Line Items]
Restructuring, Settlement and Impairment Provisions		170		295		160
Restructuring, Settlement and Impairment Provisions, After Tax		$ 143		$ 224		$ 134
Restructuring, Settlement and Impairment Provisions, Net of Tax, Per Share Amount		$ 0.10		$ 0.16		$ 0.09
Restructuring and Related Cost, Cost Incurred to Date		$ 1,204
Payments for Restructuring		(255)	[1]	$ (113)		$ (95)
Restructuring Reserve, Settled without Cash		(27)		(52)		(50)
Restructuring Reserve		114		226		96	$ 81
Frito Lay North America [Member] | 2014 Productivity Plan
Restructuring Cost and Reserve [Line Items]
Restructuring, Settlement and Impairment Provisions		8		67		13
Restructuring and Related Cost, Cost Incurred to Date		171
Quaker Foods North America [Member] | 2014 Productivity Plan
Restructuring Cost and Reserve [Line Items]
Restructuring, Settlement and Impairment Provisions		2		11		1
Restructuring and Related Cost, Cost Incurred to Date		34
North America Beverages [Member] | 2014 Productivity Plan
Restructuring Cost and Reserve [Line Items]
Restructuring, Settlement and Impairment Provisions		51		54		35
Restructuring and Related Cost, Cost Incurred to Date		352
Latin America [Member] | 2014 Productivity Plan
Restructuring Cost and Reserve [Line Items]
Restructuring, Settlement and Impairment Provisions		30		63		27
Restructuring and Related Cost, Cost Incurred to Date		182
Europe Sub-Saharan Africa [Member] | 2014 Productivity Plan
Restructuring Cost and Reserve [Line Items]
Restructuring, Settlement and Impairment Provisions		55		53		60
Restructuring and Related Cost, Cost Incurred to Date		282
Asia, Middle East and North Africa [Member] | 2014 Productivity Plan
Restructuring Cost and Reserve [Line Items]
Restructuring, Settlement and Impairment Provisions		25		(3)	[2]	14
Restructuring and Related Cost, Cost Incurred to Date		69
Corporate, Non-Segment [Member] | 2014 Productivity Plan
Restructuring Cost and Reserve [Line Items]
Restructuring, Settlement and Impairment Provisions		(1)	[3]	50		10
Restructuring and Related Cost, Cost Incurred to Date		114
Pension Costs [Member] | 2014 Productivity Plan
Restructuring Cost and Reserve [Line Items]
Restructuring, Settlement and Impairment Provisions		1		66		5
Employee Severance [Member] | 2014 Productivity Plan
Restructuring Cost and Reserve [Line Items]
Restructuring, Settlement and Impairment Provisions		86		280		88
Restructuring and Related Cost, Cost Incurred to Date		713
Payments for Restructuring		(203)	[1]	(91)		(46)
Restructuring Reserve, Settled without Cash		(4)		(65)		(15)
Restructuring Reserve		91		212		88	61
Asset Impairment [Member] | 2014 Productivity Plan
Restructuring Cost and Reserve [Line Items]
Restructuring, Settlement and Impairment Provisions		28		21		36
Restructuring and Related Cost, Cost Incurred to Date		182
Payments for Restructuring		0		0		0
Restructuring Reserve, Settled without Cash		(28)		(21)		(36)
Restructuring Reserve		0		0		0	0
Other Restructuring [Member] | 2014 Productivity Plan
Restructuring Cost and Reserve [Line Items]
Restructuring, Settlement and Impairment Provisions		56		(6)	[4]	36
Restructuring and Related Cost, Cost Incurred to Date	[5]	309
Payments for Restructuring		(52)		(22)		(49)
Restructuring Reserve, Settled without Cash		5		34		1
Restructuring Reserve		$ 23		$ 14		$ 8	$ 20

[1] Excludes cash expenditures of $11 million reported in the cash flow statement in pension and retiree medical plan contributions.

[2] In 2017, income amount primarily reflects a gain on the sale of property, plant and equipment.

[3] In 2018, income amount primarily relates to other pension and retiree medical benefits.

[4] Income amount represents adjustments for changes in estimates and a gain on the sale of property, plant, and equipment.

[5] Includes other costs associated with the implementation of our initiatives, including certain consulting and contract termination costs.