Consolidated Statement of Equity - USD ($) $ in Millions		Total		Preferred Stock	Preferred Stock Repurchased Preferred Stock	Common Stock	Capital In Excess Of Par Value	Retained Earnings	Accumulated Other Comprehensive Loss	Repurchased Common Stock	Total Common Shareholders' Equity	Noncontrolling Interests
Preferred Stock, Value, Outstanding				$ 41	$ (186)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets								$ 0
Stockholders' Equity Attributable to Noncontrolling Interest												$ 107
Preferred Stock, Shares Issued, Beginning of year at Dec. 26, 2015				800,000	(700,000)
Stockholders' Equity Attributable to Parent at Dec. 26, 2015						$ 24	$ 4,076	50,472	$ (13,319)	$ (29,185)
Stock Repurchased During Period, Value										$ (3,000)
Conversion of Stock, Shares Converted				0
Retirement of preferred stock				0
Convertible Preferred Stock Converted to Other Securities				$ 0		$ 0	0
Retirement of preferred stock, value				$ 0	$ 0			0
Preferred Stock, Shares Issued, End of year at Dec. 31, 2016				800,000	(700,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Redemptions (in shares)					0
Redemptions					$ (6)
Balance, beginning of year (in shares) at Dec. 26, 2015										(418,000,000)
Balance, end of year (in shares) at Dec. 31, 2016										(438,000,000)
Balance, outstanding, beginning of year (in shares) at Dec. 26, 2015						1,448,000,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Repurchased During Period, Shares						(20,000,000)				(29,000,000)
Balance, outstanding, end of year (in shares) at Dec. 31, 2016						1,428,000,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation expense							289
Stock option exercises, RSUs, PSUs and PEPunits converted										$ 712
Stock Options Exercises RSUs and Performance Stock Units Converted							(138)
Adjustments Related to Tax Withholding for Share-based Compensation							(130)
Other							(6)
Stock option exercises (in shares)										9,000,000
Other (in shares)										0
Other										$ 5		(2)
Currency translation adjustment												4
Dividends, Common Stock, Cash	[1]							(4,282)
Dividends, Preferred Stock, Cash								(1)
Net Income (Loss) Attributable to Noncontrolling Interest		$ 50										50
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders												(55)
Other comprehensive income/(loss) attributable to PepsiCo									(600)
Balance, end of year at Dec. 31, 2016		11,199
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		6,329						6,329
Stockholders' Equity Attributable to Parent at Dec. 31, 2016						$ 24	4,091	52,518	(13,919)	(31,468)	$ 11,246
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Issued During Period, Shares, Conversion of Convertible Securities						0
Stock option exercises/RSUs converted, tax benefit		$ 110
Common Stock, Dividends, Per Share, Declared		$ 2.96
Preferred Stock, Value, Outstanding				$ 41	(192)
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets								0
Stockholders' Equity Attributable to Noncontrolling Interest												104
Stock Repurchased During Period, Value										$ (2,000)
Conversion of Stock, Shares Converted				0
Retirement of preferred stock				0
Convertible Preferred Stock Converted to Other Securities				$ 0		$ 0	0
Retirement of preferred stock, value				$ 0	$ 0			0
Preferred Stock, Shares Issued, End of year at Dec. 30, 2017				803,953	(700,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Redemptions (in shares)					0
Redemptions					$ (5)
Balance, end of year (in shares) at Dec. 30, 2017										(446,000,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Repurchased During Period, Shares						(8,000,000)				(18,000,000)
Balance, outstanding, end of year (in shares) at Dec. 30, 2017						1,420,000,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation expense							290
Stock option exercises, RSUs, PSUs and PEPunits converted										$ 708
Stock Options Exercises RSUs and Performance Stock Units Converted							(236)
Adjustments Related to Tax Withholding for Share-based Compensation							(145)
Other							(4)
Share repurchases						$ 0
Stock option exercises (in shares)										10,000,000
Other (in shares)										0
Other										$ 3		(1)
Currency translation adjustment												0
Dividends, Common Stock, Cash	[1]							(4,536)
Dividends, Preferred Stock, Cash								0
Net Income (Loss) Attributable to Noncontrolling Interest		$ 51										51
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders												(62)
Other comprehensive income/(loss) attributable to PepsiCo									862
Balance, end of year at Dec. 30, 2017		10,981
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		4,857						4,857
Stockholders' Equity Attributable to Parent at Dec. 30, 2017		$ 11,045				$ 24	3,996	52,839	(13,057)	(32,757)	11,045
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Issued During Period, Shares, Conversion of Convertible Securities						0
Common Stock, Dividends, Per Share, Declared		$ 3.1675
Preferred Stock, Value, Outstanding		$ 41		$ 41	$ (197)
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets								(145)
Stockholders' Equity Attributable to Noncontrolling Interest		$ 92										92
Stock Repurchased During Period, Value										$ (2,000)
Conversion of Stock, Shares Converted				(100,000)
Retirement of preferred stock				(700,000)	700,000
Convertible Preferred Stock Converted to Other Securities				$ (6)		$ 0	6
Retirement of preferred stock, value				$ (35)	$ 199			(164)
Preferred Stock, Shares Issued, End of year at Dec. 29, 2018				0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Redemptions (in shares)					0
Redemptions					$ (2)
Balance, end of year (in shares) at Dec. 29, 2018										(458,000,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Repurchased During Period, Shares						(12,000,000)				(18,000,000)
Balance, outstanding, end of year (in shares) at Dec. 29, 2018						1,409,000,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation expense							250
Stock option exercises, RSUs, PSUs and PEPunits converted										$ 469
Stock Options Exercises RSUs and Performance Stock Units Converted							(193)
Adjustments Related to Tax Withholding for Share-based Compensation							(103)
Other							(3)
Share repurchases						$ (1)
Stock option exercises (in shares)		4,377,000	[2]							6,000,000
Other (in shares)										0
Other										$ 2		(3)
Currency translation adjustment												0
Dividends, Common Stock, Cash	[1]							(5,098)
Dividends, Preferred Stock, Cash								0
Net Income (Loss) Attributable to Noncontrolling Interest		$ 44										44
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders												(49)
Other comprehensive income/(loss) attributable to PepsiCo									(2,062)
Balance, end of year at Dec. 29, 2018		14,602
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income		12,515						12,515
Stockholders' Equity Attributable to Parent at Dec. 29, 2018		$ 14,518				$ 23	$ 3,953	$ 59,947	$ (15,119)	$ (34,286)	$ 14,518
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Issued During Period, Shares, Conversion of Convertible Securities						1,000,000
Common Stock, Dividends, Per Share, Declared		$ 3.5875
Preferred Stock, Value, Outstanding		$ 0		$ 0	$ 0
Stockholders' Equity Attributable to Noncontrolling Interest		$ 84										$ 84

[1] (b) Cash dividends declared per common share were $3.5875, $3.1675 and $2.96 for 2018, 2017 and 2016, respectively.

[2] Options are in thousands and include options previously granted under the PBG plan. No additional options or shares were granted under the PBG plan after 2009.