CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
CASH FLOW FROM OPERATING ACTIVITIES
Net income (loss)	$ 814	$ (302)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Discontinued operations, net		(432)
Depreciation, depletion and amortization of assets	2,926	3,218
Deferred income tax benefit	(111)	(162)
Other noncash charges to income	170	79
Gain on sale of assets, net	(598)	(198)
Asset impairments and related items	24	139
Undistributed earnings from affiliates	(70)	(4)
Dry hole expenses	8	33
Changes in operating assets and liabilities, net	(310)	(460)
Other operating, net	722	(313)
Operating cash flow from continuing operations	3,575	1,598
Operating cash flow from discontinued operations		870
Net cash provided by operating activities	3,575	2,468
CASH FLOW FROM INVESTING ACTIVITIES
Capital expenditures	(2,439)	(1,845)
Change in capital accrual	20	(207)
Payments for purchases of assets and businesses	(1,060)	(82)
Proceeds from sale of assets	1,293	323
Equity investments and other, net	(75)	(165)
Net cash used by investing activities	(2,261)	(1,976)
CASH FLOW FROM FINANCING ACTIVITIES
Change in restricted cash		1,193
Proceeds from long-term debt, net		2,718
Payment of long-term debt, net		(2,710)
Proceeds from issuance of common stock	25	32
Purchases of treasury stock	(12)	(22)
Cash dividends paid	(1,754)	(1,724)
Net cash used by financing activities	(1,741)	(513)
Decrease in cash and cash equivalents	(427)	(21)
Cash and cash equivalents - beginning of period	2,233	3,201
Cash and cash equivalents - end of period	$ 1,806	$ 3,180