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Financial Instruments Tingyi (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended
--- | ---
Mar. 25, 2017 | Mar. 19, 2016
Schedule of Equity Method Investments [Line Items] |  |
Tingyi Charge | $ 0 | $ 373
indirect equity investment percentage | 5.00% |
indirect equity investment [Table Text Block] | $ 166 |
Asia Middle East and North Africa |  |
Schedule of Equity Method Investments [Line Items] |  |
Tingyi Charge |  | $ (373)
Tingyi Charge per share |  | $ (0.26)

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- Definition [Table Text Block] for indirect equity investment [Table] + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition indirect equity investment percentage + References No definition available. + Details
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Namespace Prefix: | pep_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Tingyi Charge + References No definition available. + Details
Name: | pep_TingyiCharge
Namespace Prefix: | pep_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Tingyi Charge per share + References No definition available. + Details
Name: | pep_TingyiChargepershare
Namespace Prefix: | pep_
Data Type: | num:perShareItemType
Balance Type: | na
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
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Data Type: | xbrli:stringItemType
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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |