Consolidated Statements Of Cash Flows - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Cash flows from operating activities:
Net earnings (loss)	$ 1,007	$ (3,909)	$ (4,024)	$ (10,291)
Adjustments to reconcile net earnings (loss) to net cash from operating activities:
Depreciation, depletion and amortization	394	744	1,420	2,488
Asset impairments	319	5,851	4,851	15,479
Gains on asset sales	(1,351)		(1,351)
Deferred income tax expense (benefit)	86	(1,708)	(300)	(5,348)
Derivatives and other financial instruments	(58)	(481)	359	(606)
Cash settlements on derivatives and financial instruments	15	730	(133)	1,913
Other	169	171	190	437
Net change in working capital	136	67	181	93
Change in long-term other assets	(3)	52	10	211
Change in long-term other liabilities	12	36	7	(74)
Net cash from operating activities	726	1,553	1,210	4,302
Cash flows from investing activities:
Capital expenditures	(421)	(1,080)	(1,659)	(4,229)
Acquisitions of property, equipment and businesses	(3)	(113)	(1,641)	(530)
Divestitures of property and equipment	1,680	27	1,889	35
Other	34	(3)	7	(8)
Net cash from investing activities	1,290	(1,169)	(1,404)	(4,732)
Cash flows from financing activities:
Borrowings of long-term debt, net of issuance costs	816	277	1,662	3,328
Repayments of long-term debt	(2,173)	(252)	(2,722)	(1,773)
Net short-term debt repayments		(169)	(626)	(932)
Early retirement of debt	(82)		(82)
Issuance of common stock			1,469
Sale of subsidiary units				654
Issuance of subsidiary units	59	9	835	13
Dividends paid on common stock	(32)	(99)	(190)	(296)
Contributions from noncontrolling interests	146	5	151	12
Distributions to noncontrolling interests	(77)	(68)	(224)	(186)
Other	(2)	(3)	(9)	(18)
Net cash from financing activities	(1,345)	(300)	264	802
Effect of exchange rate changes on cash	(9)	(22)	5	(65)
Net change in cash and cash equivalents	662	62	75	307
Cash and cash equivalents at beginning of period	1,723	1,725	2,310	1,480
Cash and cash equivalents at end of period	$ 2,385	$ 1,787	$ 2,385	$ 1,787