CONDENSED CONSOLIDATED STATEMENT OF EQUITY - USD ($) shares in Millions, $ in Millions	Total	Preferred Stock	Common Stock	Parent [Member]	Capital in Excess of Par Value	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Treasury Stock [Member]	Noncontrolling Interests	Redeemable Preferred Stock [Member] Preferred Stock
Preferred Stock, Shares Issued										0.7
Noncontrolling Interest Items [Abstract]
Stockholders' Equity Attributable to Parent			$ 25		$ 4,115	$ 49,092	$ (10,669)	$ (24,985)		$ (181)
Stockholders' Equity Attributable to Noncontrolling Interest									$ 110
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent							(1,845)
Shares issued, beginning of year at Dec. 27, 2014								(378.0)
Shares issued, end of period at Sep. 05, 2015								(404.0)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Redemptions, shares										0.0
Redemptions										$ (3)
Balance, beginning of year, shares at Dec. 27, 2014			1,488.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Repurchased During Period, Shares			(26.0)					(34.0)
Treasury Stock, Value, Acquired, Cost Method			$ 1
Stock Repurchased During Period, Value								$ (3,273)
Stock option exercises, shares								8.0
Stock option exercises, RSUs, PSUs and PEPunits converted								$ 560
Adjustments Related to Tax Withholding for Share-based Compensation					(125)
Other (in shares)								0.0
Other								$ 4	(2)
Share-based compensation expense					210
Stock Options Exercises RSUs PSUS Pepunits Converted					(175)
Other					(4)
Net income attributable to PepsiCo	$ 3,734					3,734
Cash dividends declared - common						(3,058)
Dividends, Preferred Stock, Cash	(1)
Noncontrolling Interest Items [Abstract]
Net income attributable to noncontrolling interests	34								34
Minority Interest Increase Decrease From Contributions From Or Distributions To Noncontrolling Interest Members									(23)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax									(1)
Balance, end of year, shares at Sep. 05, 2015			1,462.0
Balance, end of period at Sep. 05, 2015	13,579
Noncontrolling Interest Items [Abstract]
Stock option exercises/RSUs converted, tax benefits	59
Preferred Stock, Shares Issued		0.8								0.7
Preferred Stock, Value, Issued		$ 41
Stockholders' Equity Attributable to Parent			$ 24	$ 13,604	4,021	49,767	(12,514)	(27,694)		$ (184)
Stockholders' Equity Attributable to Noncontrolling Interest									118
Preferred Stock, Shares Issued										0.7
Preferred Stock, Value, Issued	41
Stockholders' Equity Attributable to Parent	(12,068)		$ 24		4,076	50,472	(13,319)	$ (29,185)		$ (186)
Stockholders' Equity Attributable to Noncontrolling Interest	107								107
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent							490
Shares issued, beginning of year at Dec. 26, 2015								(418.0)
Shares issued, end of period at Sep. 03, 2016								(430.0)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Redemptions, shares										0.0
Redemptions										$ (3)
Balance, beginning of year, shares at Dec. 26, 2015			1,448.0
Balance, beginning of year at Dec. 26, 2015	12,030
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Repurchased During Period, Shares			(12.0)					(21.0)
Stock Repurchased During Period, Value								$ (2,112)
Stock option exercises, shares								9.0
Stock option exercises, RSUs, PSUs and PEPunits converted								$ 646
Adjustments Related to Tax Withholding for Share-based Compensation					(114)
Other (in shares)								0.0
Other								$ 5
Share-based compensation expense					193
Stock Options Exercises RSUs PSUS Pepunits Converted					(148)
Other					(6)
Net income attributable to PepsiCo	4,928					4,928
Cash dividends declared - common						(3,200)
Dividends, Preferred Stock, Cash	0
Noncontrolling Interest Items [Abstract]
Net income attributable to noncontrolling interests	34								34
Minority Interest Increase Decrease From Contributions From Or Distributions To Noncontrolling Interest Members									(25)
Balance, end of year, shares at Sep. 03, 2016			1,436.0
Balance, end of period at Sep. 03, 2016	12,718
Noncontrolling Interest Items [Abstract]
Stock option exercises/RSUs converted, tax benefits	86
Preferred Stock, Shares Issued		0.8								0.7
Preferred Stock, Value, Issued	41	$ 41
Stockholders' Equity Attributable to Parent	(12,750)		$ 24	$ 12,750	$ 4,001	$ 52,200	$ (12,829)	$ (30,646)		$ (189)
Stockholders' Equity Attributable to Noncontrolling Interest	$ 116								$ 116