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. 15, 2013		Jun. 16, 2012		Jun. 15, 2013		Jun. 16, 2012
Earnings Per Share [Abstract]
Net income attributable to PepsiCo	$ 2,010		$ 1,488		$ 3,085		$ 2,615
Dividends	(1)		(1)		(1)		(1)
Redemption premium	(2)		(2)		(4)		(3)
Net income available for PepsiCo common shareholders - Value	2,007		1,485		3,080		2,611
Net income available for PepsiCo common shareholders - Shares	1,548	[1]	1,563	[1]	1,546	[1]	1,565	[1]
Basic net income attributable to PepsiCo per common share (in dollars per share)	$ 1.30		$ 0.95		$ 1.99		$ 1.67
Stock options and RSUs - Shares	18	[1],[2]	17	[1],[2]	18	[1],[2]	17	[1],[2]
ESOP convertible preferred stock - Value	3		3		5		4
ESOP convertible preferred stock - Shares	1	[1]	1	[1]	1	[1]	1	[1]
Diluted shares - Value	$ 2,010		$ 1,488		$ 3,085		$ 2,615
Diluted shares - Shares	1,567	[1]	1,581	[1]	1,565	[1]	1,583	[1]
Diluted net income attributable to PepsiCo per common share (in dollars per share)	$ 1.28		$ 0.94		$ 1.97		$ 1.65

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

[2] Options to purchase 1.3 million shares for the 24 weeks 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 an average exercise price of $75.69. Options to purchase 10.2 million and 19.9 million shares, respectively, for the 12 and 24 weeks in 2012 were not included in the calculation of diluted earnings per common share because these options were out-of-the-money. Out-of-the-money options for the 12 and 24 weeks in 2012 had average exercise prices of $68.93 and $67.44, respectively.