Basis of Presentation and Our Divisions (Schedule of Quarterly Reporting) (Details)	3 Months Ended	4 Months Ended
Sep. 07, 2013	Jun. 15, 2013	Mar. 23, 2013	Dec. 28, 2013
U.S. and Canada
Segment Reporting Information [Line Items]
Quarterly reporting calendar, period	P12W	P12W	P12W	P16W
International Divisions
Segment Reporting Information [Line Items]
Quarterly reporting calendar, period	June, July and August	March, April and May	January, February	September, October, November and December

Quarterly Financial Information, Reporting Calendar, Period

No definition available.

Name:	pep_QuarterlyFinancialInformationReportingCalendarPeriod
Namespace Prefix:	pep_
Data Type:	us-types:durationStringItemType
Balance Type:	na
Period Type:	duration