Planned Spin-Off of California Resources Corporation (Details) (USD $) In Billions, unless otherwise specified	1 Months Ended			0 Months Ended	1 Months Ended
	Aug. 31, 2014 CRC Credit Facilities	Sep. 30, 2014 California Resources Corporation Term Loan Facility	Sep. 30, 2014 California Resources Corporation Revolving Credit Facility	Nov. 17, 2014 California Resources Corporation Subsequent event	Oct. 31, 2014 California Resources Corporation Subsequent event California Notes	Oct. 31, 2014 California Resources Corporation Subsequent event 5.0% senior notes due January 2020	Oct. 31, 2014 California Resources Corporation Subsequent event 5.50% senior notes due September 2021	Oct. 31, 2014 California Resources Corporation Subsequent event 6.0% senior notes due November 2024	Sep. 30, 2014 California Resources Corporation Subsequent event CRC Credit Facilities
Planned separation of California Resources Corporation
Percentage of common stock that is intended to be distributed				80.10%
Common stock conversion ratio				0.4
Maximum percentage of retained shares that is intended to be disposed				19.90%
Period following the spin-off within which specified percentage of common stock retained is intended to be disposed				18 months
Amount issued					$ 5.00	$ 1.00	$ 1.75	$ 2.25
Debt instrument interest rate stated percentage						5.00%	5.50%	6.00%
Net proceeds from the private placement					4.95
Debt Instrument term	5 years	5 years	5 years
Debt instrument amount		1.0	2.0
Amount of funds intended to be borrowed to make distribution concurrent with the spin-off									$ 1.25