CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
CASH FLOW FROM OPERATING ACTIVITIES
Net income (loss)	$ (7,829)	$ 630	$ 5,903
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Income from discontinued operations	(317)	(760)	(971)
Depreciation, depletion and amortization of assets	4,544	4,261	4,203
Deferred income tax provision (benefit)	(1,372)	(1,178)	914
Other noncash charges to income	159	101	261
Asset impairments and related items	9,684	7,379	621
Gain on sale of equity investments and other assets	(101)	(2,505)	(1,175)
Undistributed earnings from equity investments	6	38	(3)
Dry hole expenses	10	99	70
Changes in operating assets and liabilities:
Decrease (increase) in receivables	1,431	1,413	(747)
Decrease (increase) in inventories	(24)	(112)	79
Decrease in other current assets	33	89	58
(Decrease) increase in accounts payable and accrued liabilities	(1,989)	(530)	265
(Decrease) increase in current domestic and foreign income taxes	(331)	(54)	369
Other operating, net	(650)		382
Operating cash flow from continuing operations	3,254	8,871	10,229
Operating cash flow from discontinued operations	97	2,197	2,549
Net cash provided by operating activities	3,351	11,068	12,778
CASH FLOW FROM INVESTING ACTIVITIES
Capital expenditures	(5,272)	(8,930)	(7,357)
Change in capital accrual	(592)	542	149
Proceeds from sale of assets and equity investments, net	819	4,177	1,619
Purchase of businesses and other assets, net	(109)	(1,687)	(606)
Other, net	(269)	(346)	(122)
Investing cash flow from continuing operations	(5,423)	(6,244)	(6,317)
Investing cash flow from discontinued operations		(2,226)	(1,727)
Net cash used by investing activities	(5,423)	(8,470)	(8,044)
CASH FLOW FROM FINANCING ACTIVITIES
Change in restricted cash	(2,826)	4,019
Proceeds from long-term debt	1,478
Payment of long-term debt		(107)	(690)
Special cash distributions from California Resources Corporation		6,100
Proceeds from issuance of common stock	37	33	30
Purchases of treasury stock	(593)	(2,500)	(943)
Cash dividends paid	(2,264)	(2,210)	(1,553)
Contributions from noncontrolling interest		375	214
Other, net		2	9
Financing cash flow from continuing operations	1,484	(2,326)	(2,933)
Financing cash flow from discontinued operations		124
Net cash provided (used) by financing activities	1,484	(2,202)	(2,933)
Decrease in cash and cash equivalents	(588)	396	1,801
Cash and cash equivalents-beginning of period	3,789	3,393	1,592
Cash and cash equivalents-end of period	$ 3,201	$ 3,789	$ 3,393