CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS (USD $) In Millions	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
CASH FLOW FROM OPERATING ACTIVITIES
Net income	$ 5,137	$ 3,376
Adjustments to reconcile net income to net cash provided by operating activities
Discontinued operations, net	(138)	59
Depreciation, depletion and amortization of assets	2,653	2,353
Deferred income tax provision	999	273
Other noncash charges to income	338	350
Gains on disposition of assets, net	(22)	(1)
Undistributed earnings from equity investments	(68)	(60)
Dry hole and impairment expense	109	121
Changes in operating assets and liabilities, net	(135)	327
Other operating, net	(219)	(182)
Operating cash flow from continuing operations	8,654	6,616
Operating cash flow from discontinued operations, net of taxes	(16)	128
Net cash provided by operating activities	8,638	6,744
CASH FLOW FROM INVESTING ACTIVITIES
Capital expenditures	(4,969)	(2,580)
Payments for purchases of assets and businesses	(4,070)	(1,813)
Sales of assets, net	45	18
Other, net	(64)	(17)
Investing cash flow from continuing operations	(9,058)	(4,392)
Investing cash flow from discontinued operations	2,570	(315)
Net cash used by investing activities	(6,488)	(4,707)
CASH FLOW FROM FINANCING ACTIVITIES
Proceeds from long-term debt	2,111
Payments of long-term debt	(1,523)	(311)
Proceeds from issuance of common stock	47	7
Purchases of treasury stock	(159)	(11)
Distributions to noncontrolling interest	(121)
Cash dividends paid	(1,060)	(848)
Other, net	16	9
Net cash used by financing activities	(689)	(1,154)
Increase in cash and cash equivalents	1,461	883
Cash and cash equivalents-beginning of period	2,578	1,224
Cash and cash equivalents-end of period	$ 4,039	$ 2,107