Consolidated and Combined Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
CASH FLOW FROM OPERATING ACTIVITIES
Net income (loss)	$ 279	$ (3,554)	$ (1,434)	[1]
Adjustments to reconcile net income (loss) to net cash provided by operating activities
Depreciation, depletion and amortization	559	1,004	1,198
Asset impairments		4,852	3,402
Deferred income tax benefit	(78)	(2,258)	(1,152)
Net derivative losses (gains)	206	(133)	5
Net proceeds (payments) on settled derivatives	77	81	(2)
Net gains on early extinguishment of debt	(805)	(20)
Deferred gain and issuance costs amortization	(41)	7
Other non-cash tax provision		310
Other non-cash losses in income, net	41	200	113
Dry hole expenses	3	9	101
Changes in operating assets and liabilities, net:
(Increase) decrease in receivables, net	(33)	99	146
(Increase) decrease in inventories			2
(Increase) decrease in other current assets	25	18	(133)
Increase (decrease) in accounts payable and accrued liabilities	(103)	(212)	125
Net cash provided by operating activities	130	403	2,371
CASH FLOW FROM INVESTING ACTIVITIES
Capital investments	(75)	(401)	(2,089)
Changes in capital investment accruals	(6)	(205)	69
Asset divestitures	20
Acquisitions and other		(151)	(292)
Net cash used by investing activities	(61)	(757)	(2,312)
CASH FLOW FROM FINANCING ACTIVITIES
Proceeds from revolving credit facility	2,218	2,035	515
Repayments of revolving credit facility	(2,110)	(1,656)	(155)
Issuance of senior notes			5,000
Issuance of term loans	990		1,000
Debt repurchases	(770)	(12)
Payments on first-lien first-out term loan	(350)
Debt transaction costs	(51)	(11)	(70)
Issuance of common stock	4	8
Cash dividends paid		(12)
Distributions to Occidental, net			(335)
Dividends to Occidental			(6,000)
Net cash provided (used) by financing activities	(69)	352	(45)
(Decrease) increase in cash and cash equivalents		(2)	14
Cash and cash equivalents-beginning of year	12	14
Cash and cash equivalents-end of year	$ 12	$ 12	$ 14

[1] Net income of $683 million related to operations from January 1, 2014 through the spin-off date of November 30, 2014 was included in Net Parent Company Investment. The net loss of $2,117 million for the month ended December 31, 2014 reflected our accumulated deficit as of that date as a stand-alone company.