CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
CASH FLOW FROM OPERATING ACTIVITIES
Net income (loss)	$ 624	$ (61)
Adjustments to reconcile income (loss) to net cash provided by operating activities:
Discontinued operations, net		(435)
Depreciation, depletion and amortization of assets	1,931	2,172
Deferred income tax provision (benefit)	(24)	76
Other noncash charges to income	43	37
Gain on sale of assets, net	(512)	(138)
Asset impairments and related items	13	78
Dry hole expenses	7	28
Changes in operating assets and liabilities, net	(306)	(511)
Other operating, net	729	(304)
Operating cash flow from continuing operations	2,505	942
Operating cash flow from discontinued operations		876
Net cash provided by operating activities	2,505	1,818
CASH FLOW FROM INVESTING ACTIVITIES
Capital expenditures	(1,492)	(1,247)
Change in capital accrual	(35)	(209)
Payments for purchases of assets and businesses	(377)	(34)
Proceeds from sale of assets	609	260
Equity investments and other, net	(67)	(104)
Net cash used by investing activities	(1,362)	(1,334)
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	16	29
Purchases of treasury stock	(6)	(15)
Cash dividends paid	(1,168)	(1,149)
Net cash provided (used) by financing activities	(1,158)	66
Increase (decrease) in cash and cash equivalents	(15)	550
Cash and cash equivalents - beginning of period	2,233	3,201
Cash and cash equivalents - end of period	$ 2,218	$ 3,751