Consolidated Balance Sheets - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
CURRENT ASSETS:
Cash and cash equivalents	$ 1,281	$ 1,734
Restricted cash	45	67
Receivables-
Other, net of allowance for uncollectible accounts of $15 in 2021 and $26 in 2020	247	236
Materials and supplies, at average cost	303	317
Prepaid taxes and other	281	157
Total current assets	3,188	3,714
PROPERTY, PLANT AND EQUIPMENT:
In service	44,143	43,654
Less — Accumulated provision for depreciation	12,143	11,938
Property, plant and equipment in service net of accumulated provision for depreciation	32,000	31,716
Construction work in progress	1,640	1,578
Total net property, plant and equipment	33,640	33,294
PROPERTY, PLANT AND EQUIPMENT, NET - HELD FOR SALE (NOTE 8)	0	45
INVESTMENTS AND OTHER NONCURRENT ASSETS:
Goodwill	5,618	5,618
Investments (Note 7)	606	605
Regulatory assets	91	82
Other	974	1,106
Total deferred charges and other assets	7,289	7,411
Total assets	44,117	44,464
CURRENT LIABILITIES:
Currently payable long-term debt	539	146
Short-term borrowings	1,450	2,200
Accounts payable	870	827
Accrued interest	289	282
Accrued taxes	637	640
Accrued compensation and benefits	284	349
Other	555	560
Total current liabilities	4,624	5,004
Stockholders’ equity-
Common stock	54	54
Other paid-in capital	9,866	10,076
Accumulated other comprehensive loss	(7)	(5)
Accumulated deficit	(2,553)	(2,888)
Total stockholders’ equity	7,360	7,237
Long-term debt and other long-term obligations	22,204	22,131
Total capitalization	29,564	29,368
NONCURRENT LIABILITIES:
Accumulated deferred income taxes	3,203	3,095
Retirement benefits	3,274	3,345
Regulatory liabilities	1,959	1,826
Other	1,493	1,826
Total noncurrent liabilities	9,929	10,092
COMMITMENTS, GUARANTEES AND CONTINGENCIES (Note 9)
Total liabilities and capitalization	44,117	44,464
Customer
Receivables-
Customers	1,192	1,367
Less — Allowance for uncollectible customer receivables	161	164
Customers	1,031	1,203
Other Receivables
Receivables-
Less — Allowance for uncollectible customer receivables	$ 15	$ 26