Consolidated Statement of Cash Flows (Unaudited) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
OPERATING ACTIVITIES:
Net income (loss)	$ 2,031	$ 619
Adjustments to reconcile to net cash provided (used) by operating activities:
Depreciation and amortization	797	606
Provision (benefit) for deferred income taxes	1,042	301
Amortization of stock-based awards	36	28
Gain on remeasurement of equity-method investment	(2,522)	0
Cash provided (used) by changes in current assets and liabilities:
Accounts and notes receivable	(106)	85
Inventories	(89)	(53)
Other current assets and deferred charges	(49)	11
Accounts payable	60	(47)
Accrued liabilities	(126)	91
Other, including changes in noncurrent assets and liabilities	30	61
Net cash provided (used) by operating activities	1,104	1,702
FINANCING ACTIVITIES:
Proceeds from (payments of) commercial paper - net	39	370
Proceeds from long-term debt	6,134	1,705
Payments of long-term debt	(864)	(2,081)
Proceeds from issuance of common stock	3,414	14
Proceeds from sale of limited partner units of consolidated partnership	55	1,819
Dividends paid	(986)	(722)
Dividends and distributions paid to noncontrolling interests	(509)	(344)
Contributions from noncontrolling interests	260	327
Other - net	(16)	6
Net cash provided (used) by financing activities	7,527	1,094
INVESTING ACTIVITIES:
Capital expenditures	(2,943)	(2,542)
Purchases of and contributions to equity-method investments	(345)	(350)
Purchase of business, net of cash acquired	(5,958)	0
Other - net	236	(11)
Net cash provided (used) by investing activities	(9,010)	(2,903)
Increase (decrease) in cash and cash equivalents	(379)	(107)
Cash and cash equivalents at beginning of period	681	839
Cash and cash equivalents at end of period	302	732
Increases to property, plant and equipment	(2,902)	(2,685)
Changes in related accounts payable and accrued liabilities	(41)	143
Capital expenditures	$ (2,943)	$ (2,542)