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	3 Months Ended
	Mar. 24, 2012		Mar. 19, 2011
Net Income Attributable To PepsiCo Per Common Share [Abstract]
Net income attributable to PepsiCo	$ 1,127		$ 1,143
Redemption premium	(1)		(2)
Net income available for PepsiCo common shareholders - Value	1,126		1,141
Net income available for PepsiCo common shareholders - Shares	1,568	[1]	1,583	[1]
Basic net income attributable to PepsiCo per common share	$ 0.72		$ 0.72
Stock options and RSUs - Shares	15	[1],[2]	21	[1],[2]
ESOP convertible preferred stock - Value	1		2
ESOP convertible preferred stock - Shares	1	[1]	1	[1]
Diluted shares - Value	$ 1,127		$ 1,143
Diluted shares - Shares	1,584	[1]	1,605	[1]
Diluted net income attributable to PepsiCo per common share	$ 0.71		$ 0.71
Out-of-the-money options excluded from earnings per share	29.6		31.3
Out-of-the-money options average exercise price	$ 66.93		$ 66.85

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

[2] Options to purchase 29.6 million shares in 2012 and 31.3 million shares in 2011 were not included in the calculation of earnings per share because these options were out-of-the-money. These out-of-the-money options had average exercise prices of $66.93 in 2012 and $66.85 in 2011.