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

Portion of Venezuela charge related to our investments in previously consolidated Venezuelan subsidiaries and our joint venture

No definition available.

Name:	pep_PortionofVenezuelachargerelatedtoourinvestmentsinpreviouslyconsolidatedVenezuelansubsidiariesandourjointventure
Namespace Prefix:	pep_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration