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Basis of Presentation and Our Divisions Venezuela (Details) - USD ($) $ in Billions | 3 Months Ended | 8 Months Ended
--- | --- | ---
Sep. 05, 2015 | Sep. 05, 2015
Investments in previously consolidated Venezuelan subsidiaries [Line Items] |  |
Portion of Venezuela charge related to our investments in previously consolidated Venezuelan subsidiaries and our joint venture | $ 1.2 | $ 1.2

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- Definition [Line Items] for Investments in previously consolidated Venezuelan subsidiaries [Table] + References No definition available. + Details
Name: | pep_InvestmentsinpreviouslyconsolidatedVenezuelansubsidiariesLineItems
Namespace Prefix: | pep_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Portion of Venezuela charge related to our investments in previously consolidated Venezuelan subsidiaries and our joint venture + References No definition available. + Details
Name: | pep_PortionofVenezuelachargerelatedtoourinvestmentsinpreviouslyconsolidatedVenezuelansubsidiariesandourjointventure
Namespace Prefix: | pep_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration