Consolidated Balance Sheets - USD ($) $ in Millions	Sep. 30, 2018	Dec. 31, 2017
CURRENT ASSETS:
Cash and cash equivalents	$ 436	$ 588
Restricted cash	51	51
Receivables-
Customers, net of allowance for uncollectible accounts of $49 in 2018 and 2017	1,317	1,282
Other, net of allowance for uncollectible accounts of $2 in 2018 and $1 in 2017	299	170
Materials and supplies, at average cost	240	236
Prepaid taxes and other	236	151
Current assets - discontinued operations	17	632
Total current assets	2,596	3,110
PROPERTY, PLANT AND EQUIPMENT:
In service	38,585	37,113
Less — Accumulated provision for depreciation	10,468	10,011
Property, plant and equipment in service net of accumulated provision for depreciation	28,117	27,102
Construction work in progress	1,290	999
Total net property, plant and equipment	29,407	28,101
PROPERTY, PLANT AND EQUIPMENT, NET - DISCONTINUED OPERATIONS	0	1,132
INVESTMENTS:
Nuclear plant decommissioning trusts	822	822
Nuclear fuel disposal trust	253	251
Other	254	255
Investments - discontinued operations	0	1,875
Total other property and investments	1,329	3,203
DEFERRED CHARGES AND OTHER ASSETS:
Goodwill	5,618	5,618
Regulatory assets	80	40
Other	413	697
Deferred charges and other assets - discontinued operations	0	356
Total deferred charges and other assets	6,111	6,711
Total assets	39,443	42,257
CURRENT LIABILITIES:
Currently payable long-term debt	1,128	558
Short-term borrowings	1,700	300
Accounts payable	997	827
Accrued taxes	529	533
Accrued compensation and benefits	300	257
Collateral	27	39
Other	1,012	621
Current liabilities - discontinued operations	0	978
Total current liabilities	5,800	4,113
Stockholders’ equity-
Common stock, $0.10 par value, authorized 700,000,000 shares - 511,445,350 and 445,334,111 shares outstanding as of September 30, 2018 and December 31, 2017, respectively	51	44
Preferred stock, $100 par value, authorized 5,000,000 shares, of which 1,616,000 are designated Series A Convertible Preferred - 704,589 shares outstanding as of September 30, 2018	70	0
Other paid-in capital	11,708	10,001
Accumulated other comprehensive income	61	142
Accumulated deficit	(5,017)	(6,262)
Total stockholders’ equity	6,873	3,925
Long-term debt and other long-term obligations	16,608	18,687
Total capitalization	23,481	22,612
NONCURRENT LIABILITIES:
Accumulated deferred income taxes	2,427	3,171
Retirement benefits	2,742	3,975
Regulatory liabilities	2,673	2,720
Asset retirement obligations	630	570
Adverse power contract liability	99	130
Other	1,591	1,438
Noncurrent liabilities - discontinued operations	0	3,528
Total noncurrent liabilities	10,162	15,532
COMMITMENTS, GUARANTEES AND CONTINGENCIES (Note 11)
Total liabilities and capitalization	39,443	42,257
Affiliated Companies
CURRENT LIABILITIES:
Accounts payable	$ 107	$ 0