Net Income Attributable to PepsiCo per Common Share (Basic and Diluted Net Income Attributable to PepsiCo per Common Share) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions		12 Months Ended
		Dec. 31, 2016	Dec. 26, 2015	Dec. 27, 2014
Earnings Per Share [Abstract]
Net income		$ 6,329	$ 5,452	$ 6,513
Dividends		(1)	(1)	(1)
Redemption premium		(5)	(5)	(9)
Net income available for PepsiCo common shareholders - Value		$ 6,323	$ 5,446	$ 6,503
Net income available for PepsiCo common stockholders - Shares	[1]	1,439	1,469	1,509
Basic net income attributable to PepsiCo per common share		$ 4.39	$ 3.71	$ 4.31
Stock options and RSUs - Shares	[1]	12	15	17
Dilutive Securities, Effect on Basic Earnings Per Share, Options and Restrictive Stock Units		$ 1	$ 0	$ 0
ESOP convertible preferred stock - Value		$ 5	$ 6	$ 10
ESOP convertible preferred stock - Shares	[1]	1	1	1
Diluted shares - Value		$ 6,329	$ 5,452	$ 6,513
Diluted shares - Shares	[1]	1,452	1,485	1,527
Diluted net income attributable to PepsiCo per common share		$ 4.36	$ 3.67	$ 4.27

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