Basic and Diluted Net Income Attributable to PepsiCo (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 14, 2014		Jun. 15, 2013		Jun. 14, 2014		Jun. 15, 2013
Earnings Per Share [Abstract]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount					0.1		1.3
Net income attributable to PepsiCo	$ 1,978		$ 2,010		$ 3,194		$ 3,085
Preferred Stock [Abstract]
Dividends			(1)				(1)
Redemption premium	(2)		(2)		(3)		(4)
Net income available for PepsiCo common shareholders - Value	1,976		2,007		3,191		3,080
Net income available for PepsiCo common shareholders - Shares	1,515	[1]	1,548	[1]	1,519	[1]	1,546	[1]
Dilutive Securities, Effect on Basic Earnings Per Share, Dilutive Convertible Securities	0		0		0		0
Basic net income attributable to PepsiCo per common share (in dollars per share)	$ 1.30		$ 1.30		$ 2.10		$ 1.99
Dilutive Securities [Abstract]
Stock options and RSUs - Shares	16	[1],[2]	18	[1],[2]	16	[1],[2]	18	[1],[2]
ESOP convertible preferred stock - Value	2		3		3		5
ESOP convertible preferred stock - Shares	1	[1]	1	[1]	1	[1]	1	[1]
Diluted shares - Value	$ 1,978		$ 2,010		$ 3,194		$ 3,085
Diluted shares - Shares	1,532	[1]	1,567	[1]	1,536	[1]	1,565	[1]
Diluted net income attributable to PepsiCo per common share (in dollars per share)	$ 1.29		$ 1.28		$ 2.08		$ 1.97
Out-of-the-money options average exercise price					$ 82.25		$ 75.69

[1] Weighted-average common shares outstanding (in millions).

[2] ptions to purchase 0.1 million shares in 2014 and 1.3 million shares in 2013 were not included in the calculation of diluted earnings per common share because these options were out-of-the-money. These out-of-the-money options had average exercise prices of $82.25 in 2014 and $75.69 in 2013.