Net Income Attributable To PepsiCo Per Common Share (Basic And Diluted Net Income Attributable To PepsiCo Per Common Share) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011		Dec. 25, 2010		Dec. 26, 2009
Net Income Attributable To PepsiCo Per Common Share [Abstract]
Net income attributable to PepsiCo	$ 6,443		$ 6,320		$ 5,946
Dividends	(1)		(1)		(1)
Redemption premium	(6)		(5)		(5)
Net income available for PepsiCo common shareholders - Value	6,436		6,314		5,940
Net income available for PepsiCo common stockholders - Shares	1,576	[1]	1,590	[1]	1,558	[1]
Basic net income attributable to PepsiCo per common share	$ 4.08		$ 3.97		$ 3.81
Stock options and RSUs - Shares	20	[1]	23	[1]	17	[1]
ESOP convertible preferred stock - Value	7		6		6
ESOP convertible preferred stock - Shares	1	[1]	1	[1]	2	[1]
Diluted shares - Value	$ 6,443		$ 6,320		$ 5,946
Diluted shares - Shares	1,597	[1]	1,614	[1]	1,577	[1]
Diluted net income attributable to PepsiCo per common share	$ 4.03		$ 3.91		$ 3.77

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