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Basic and Diluted Net Income Attributable to PepsiCo (Parenthetical) (Detail) (USD $)
In Millions, except Per Share data, unless otherwise specified
6 Months Ended
Jun. 14, 2014
Jun. 15, 2013
Earnings Per Share [Abstract]    
Out-of-the-money options 0.1 1.3
Out-of-the-money options average exercise price $ 82.25 $ 75.69