Consolidated Balance Sheet (Unaudited) - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 1,292	$ 899
Trade accounts and other receivables (net of allowance of $10 at March 31, 2018 and $9 at December 31, 2017)	743	976
Inventories	160	113
Other current assets and deferred charges	204	191
Total current assets	2,399	2,179
Investments	6,513	6,552
Property, plant, and equipment	40,467	39,513
Accumulated depreciation and amortization	(11,620)	(11,302)
Property, plant, and equipment – net	28,847	28,211
Intangible assets – net of accumulated amortization	8,644	8,791
Regulatory assets, deferred charges, and other	649	619
Total assets	47,052	46,352
Current liabilities:
Accounts payable	776	978
Accrued liabilities	887	1,167
Long-term debt due within one year	501	501
Total current liabilities	2,164	2,646
Long-term debt	21,379	20,434
Deferred income tax liabilities	3,196	3,147
Regulatory liabilities, deferred income, and other	4,410	3,950
Contingent liabilities (Note 12)
Stockholders’ equity:
Common stock (960 million shares authorized at $1 par value; 862 million shares issued at March 31, 2018 and 861 million shares issued at December 31, 2017)	862	861
Capital in excess of par value	18,533	18,508
Retained deficit	(8,587)	(8,434)
Accumulated other comprehensive income (loss)	(294)	(238)
Treasury stock, at cost (35 million shares of common stock)	(1,041)	(1,041)
Total stockholders’ equity	9,473	9,656
Noncontrolling interests in consolidated subsidiaries	6,430	6,519
Total equity	15,903	16,175
Total liabilities and equity	$ 47,052	$ 46,352