Consolidated Balance Sheet - USD ($) shares in Millions, $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 142	$ 289
Trade accounts and other receivables	1,000	1,002
Allowance for doubtful accounts	(1)	(6)
Trade accounts and other receivables - net	999	996
Inventories	136	125
Other current assets and deferred charges	152	170
Total current assets	1,429	1,580
Investments	5,159	6,235
Property, plant, and equipment – net	28,929	29,200
Intangible assets – net of accumulated amortization	7,444	7,959
Regulatory assets, deferred charges, and other	1,204	1,066
Total assets	44,165	46,040
Current liabilities:
Accounts payable	482	552
Accrued liabilities	944	1,276
Long-term debt due within one year	893	2,140
Total current liabilities	2,319	3,968
Long-term debt	21,451	20,148
Deferred income tax liabilities	1,923	1,782
Regulatory liabilities, deferred income, and other	3,889	3,778
Contingent liabilities and commitments (Note 19)
Stockholders’ equity:
Preferred stock	35	35
Common stock ($1 par value; 1,470 million shares authorized at December 31, 2020 and December 31, 2019; 1,248 million shares issued at December 31, 2020 and 1,247 million shares issued at December 31, 2019)	1,248	1,247
Capital in excess of par value	24,371	24,323
Retained deficit	(12,748)	(11,002)
Accumulated other comprehensive income (loss)	(96)	(199)
Treasury stock, at cost (35 million shares of common stock)	(1,041)	(1,041)
Total stockholders’ equity	11,769	13,363
Noncontrolling interests in consolidated subsidiaries	2,814	3,001
Total equity	14,583	16,364
Total liabilities and equity	$ 44,165	$ 46,040
Common Stock, Par or Stated Value Per Share	$ 1	$ 1
Common Stock, Shares Authorized	1,470	1,470
Common Stock, Shares, Issued	1,248	1,247
Treasury Stock, Shares	35	35