Basic and Diluted Net Income Attributable to PepsiCo (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended				8 Months Ended
	Sep. 03, 2016		Sep. 05, 2015		Sep. 03, 2016	Sep. 05, 2015
Earnings Per Share [Abstract]
Net income attributable to PepsiCo	$ 1,992		$ 533		$ 4,928	$ 3,734
Preferred Stock Dividends and Other Adjustments			(1)		0	(1)
Preferred Stock [Abstract]
Redemption premium	(1)		(1)		(3)	(3)
Net income available for PepsiCo common shareholders - Value	$ 1,991		$ 531		$ 4,925	$ 3,730
Net income available for PepsiCo common shareholders - Shares	1,438.0	[1]	1,467.0	[1]	1,443.0	1,475.0
Basic net income attributable to PepsiCo per common share (in dollars per share)	$ 1.38		$ 0.36		$ 3.41	$ 2.53
Dilutive Securities [Abstract]
Dilutive Securities, Effect on Basic Earnings Per Share, Dilutive Convertible Securities	$ 0		$ 1		$ 0	$ 1
Stock options and RSUs - Shares	13.0	[1],[2]	15.0	[1],[2]	12.0	16.0
ESOP convertible preferred stock - Value	$ 1		$ 1		$ 3	$ 3
ESOP convertible preferred stock - Shares	1.0	[1]	1.0	[1]	1.0	1.0
Diluted shares - Value	$ 1,992		$ 533		$ 4,928	$ 3,734
Diluted shares - Shares	1,452.0	[1]	1,483.0	[1]	1,456.0	1,492.0
Diluted net income attributable to PepsiCo per common share (in dollars per share)	$ 1.37		$ 0.36		$ 3.39	$ 2.50
Venezuela impairment charges	$ 0		$ 1,359		$ 0	$ 1,359
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount			1.5		1.0	1.6
Out-of-the-money options average exercise price			$ 99.25		$ 98.99	$ 99.25

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

[2] Weighted-average common shares outstanding (in millions).(b)Net income attributable to PepsiCo for the 12 and 36 weeks ended September 5, 2015 included an after-tax charge of $1.4 billion related to our change in accounting for our investments in our wh