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Restructuring, Impairment and Integration Charges Other Productivity Charges (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 26, 2015 | Dec. 27, 2014
Restructuring Cost and Reserve [Line Items] |  |
Restructuring Reserve, Settled without Cash | $ 10 | $ 13

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- Definition Other Productivity Reserve, Settled without Cash + References No definition available. + Details
Name: | pep_OtherProductivityReserveSettledwithoutCash
Namespace Prefix: | pep_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_RestructuringCostAndReserveLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration