Volumetric Production Payments (Narrative) (Details) (Volumetric Production Payment [Member])	6 Months Ended
Jun. 30, 2011
Volumetric Production Payment [Member]
Production/capital costs responsibility, in percentage	100.00%

Name:

pxd_ResponsibilityForProductionCostsAndCapitalCostsRelatedToVolumetricProductionPayments

Namespace Prefix:

pxd

Data Type:

num:percentItemType

Balance Type:

na

Period Type:

duration