COMBINED AND CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS (Parenthitical) (USD $) In Millions, unless otherwise specified	1 Months Ended
Aug. 31, 2014
COMBINED AND CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS
Transfer of trade receivables	$ 400
Transfer of Liabilities and Accruals	$ 80

Represents the amount of liabilities and accruals transferred from Occidental.

No definition available.

Name:	crc_TransferOfLiabilitiesAndAccruals
Namespace Prefix:	crc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration