Consolidated Balance Sheet (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 889	$ 758
Accounts and notes receivable (net of allowance of $1 at December 31, 2011 and 2010, respectively)	637	497
Inventories	169	225
Assets of discontinued operations	0	897
Regulatory assets	40	51
Other current assets and deferred charges	159	102
Total current assets	1,894	2,530
Investments	1,391	1,240
Property, plant and equipment - net	12,580	11,754
Assets of discontinued operations	0	8,828
Regulatory assets, deferred charges, and other	637	620
Total assets	16,502	24,972
Current liabilities:
Accounts payable	691	432
Accrued liabilities	631	738
Liabilities of discontinued operations	0	896
Long-term debt due within one year	353	508
Total current liabilities	1,675	2,574
Long-term debt	8,369	8,600
Deferred income taxes	1,660	1,738
Liabilities of discontinued operations	0	2,179
Regulatory liabilities,deferred income, and other	1,715	1,262
Contingent liabilities and commitments (Note 16)
Stockholders' equity:
Common stock (960 million shares authorized at $1 par value; 626 million shares issued at December 31, 2011, and 620 million shares issued at December 31, 2010)	626	620
Capital in excess of par value	8,417	8,269
Retained deficit	(5,820)	(478)
Accumulated other comprehensive income (loss)	(389)	(82)
Treasury stock, at cost (35 million shares of common stock)	(1,041)	(1,041)
Total stockholders' equity	1,793	7,288
Noncontrolling interests in consolidated subsidiaries	1,290	1,331
Total equity	3,083	8,619
Total liabilities and equity	$ 16,502	$ 24,972