Basic and Diluted Net Income Attributable to PepsiCo (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 07, 2013		Sep. 08, 2012		Sep. 07, 2013		Sep. 08, 2012
Earnings Per Share [Abstract]
Net income attributable to PepsiCo	$ 1,913		$ 1,902		$ 4,998		$ 4,517
Preferred Stock [Abstract]
Dividends					(1)		(1)
Redemption premium			(1)		(4)		(4)
Net income available for PepsiCo common shareholders - Value	1,913		1,901		4,993		4,512
Net income available for PepsiCo common shareholders - Shares	1,542	[1]	1,556	[1]	1,545	[1]	1,562	[1]
Basic net income attributable to PepsiCo per common share (in dollars per share)	$ 1.24		$ 1.22		$ 3.23		$ 2.89
Dilutive Securities [Abstract]
Stock options and RSUs - Shares	18	[1],[2]	18	[1],[2]	18	[1],[2]	17	[1],[2]
ESOP convertible preferred stock - Value			1		5		5
ESOP convertible preferred stock - Shares	1	[1]	1	[1]	1	[1]	1	[1]
Diluted shares - Value	$ 1,913		$ 1,902		$ 4,998		$ 4,517
Diluted shares - Shares	1,561	[1]	1,575	[1]	1,564	[1]	1,580	[1]
Diluted net income attributable to PepsiCo per common share (in dollars per share)	$ 1.23		$ 1.21		$ 3.20		$ 2.86

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

[2] Options to purchase 0.9 million shares for the 36 weeks ended September 7, 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 0.6 million and 13.5 million shares, respectively, for the 12 and 36 weeks ended September 8, 2012 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 for the 12 and 36 weeks ended September 8, 2012 had average exercise prices of $72.26 and $67.51, respectively.