Merger and Integration Charges (Merger and Integration Activity) (Details) (USD $) In Millions	6 Months Ended	12 Months Ended	6 Months Ended	12 Months Ended	6 Months Ended	12 Months Ended
Jun. 11, 2011	Jun. 12, 2010	Jun. 11, 2011 Severance and Other Employee Costs [Member]	Dec. 25, 2010 Severance and Other Employee Costs [Member]	Jun. 11, 2011 Other Costs [Member]	Dec. 25, 2010 Other Costs [Member]	Jun. 11, 2011 Total [Member]	Dec. 25, 2010 Total [Member]
2011 merger and integration charges			$ 36		$ 77		$ 113
Cash payments for merger and integration costs	(207)	(209)	(101)		(106)		(207)
Non-cash charges	(113)	(476)	(35)		14		(21)
Liability			$ 79	$ 179	$ 10	$ 25	$ 89	$ 204

Costs incurred to effect a business combination which have been expensed during the period. Such costs could include business integration costs, systems integration and conversion costs, and severance and other employee-related costs.

Name:	pep_BusinessCombinationIntegrationRelatedCosts
Namespace Prefix:	pep
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Liability remaining for merger and integration costs

+ Details

Name:	pep_MergerAndIntegrationChargesReserve
Namespace Prefix:	pep
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The net change during the reporting period in the balance of the reserve for business combination costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 28

+ Details

Name:	us-gaap_NoncashMergerRelatedCosts
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of cash paid during the reporting period for charges associated with the mergers.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 28

+ Details

Name:	us-gaap_PaymentsForMergerRelatedCosts
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration