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							(897)
Shares issued, beginning of year at Dec. 27, 2014								(378.0)
Shares issued, end of period at Mar. 21, 2015								(387.0)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Redemptions, shares										0.0
Redemptions										$ (1)
Balance, beginning of year, shares at Dec. 27, 2014			1,488.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Repurchased During Period, Shares			(9.0)					(12.0)
Stock Repurchased During Period, Value								$ (1,166)
Stock option exercises, shares								3.0
Stock option exercises, RSUs, PSUs and PEPunits converted								$ 235
Adjustments Related to Tax Withholding for Share-based Compensation					(22)
Other (in shares)								0.0
Other								$ 3
Share-based compensation expense					76
Stock Options Exercises RSUs PSUS Pepunits Converted					(36)
Other					(4)
Net income attributable to PepsiCo	$ 1,221					1,221
Cash dividends declared - common						(978)
Noncontrolling Interest Items [Abstract]
Net income attributable to noncontrolling interests	10								10
Balance, end of year, shares at Mar. 21, 2015			1,479.0
Balance, end of period at Mar. 21, 2015	15,989
Noncontrolling Interest Items [Abstract]
Stock option exercises/RSUs converted, tax benefits	29
Preferred Stock, Shares Issued		0.8								0.7
Preferred Stock, Value, Issued		$ 41
Stockholders' Equity Attributable to Parent			$ 25	$ 16,010	4,129	49,335	(11,566)	(25,913)		$ (182)
Stockholders' Equity Attributable to Noncontrolling Interest									120
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							(250)
Shares issued, beginning of year at Dec. 26, 2015								(418.0)
Shares issued, end of period at Mar. 19, 2016								(420.0)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Redemptions, shares										0.0
Redemptions										$ (1)
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			(2.0)					(7.0)
Stock Repurchased During Period, Value								$ (664)
Stock option exercises, shares								5.0
Stock option exercises, RSUs, PSUs and PEPunits converted								$ 360
Adjustments Related to Tax Withholding for Share-based Compensation					(99)
Other (in shares)								0.0
Other								$ 2	(1)
Share-based compensation expense					70
Stock Options Exercises RSUs PSUS Pepunits Converted					(139)
Other					(2)
Net income attributable to PepsiCo	931					931
Cash dividends declared - common						(1,020)
Noncontrolling Interest Items [Abstract]
Net income attributable to noncontrolling interests	14								14
Balance, end of year, shares at Mar. 19, 2016			1,446.0
Balance, end of period at Mar. 19, 2016	11,231
Noncontrolling Interest Items [Abstract]
Stock option exercises/RSUs converted, tax benefits	53
Preferred Stock, Shares Issued		0.8								0.7
Preferred Stock, Value, Issued	41	$ 41
Stockholders' Equity Attributable to Parent	(11,257)		$ 24	$ 11,257	$ 3,906	$ 50,383	$ (13,569)	$ (29,487)		$ (187)
Stockholders' Equity Attributable to Noncontrolling Interest	$ 120								$ 120