Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019
ASSETS
Property, plant and equipment	$ 25,133	$ 23,941
Accumulated depreciation	(5,866)	(5,709)
Property, plant and equipment, net	19,267	18,232
Current assets:
Cash and cash equivalents	560	60
Restricted funds	39	31
Accounts receivable, net of allowance for uncollectible accounts of $52 and $41, respectively	358	294
Unbilled revenues	201	172
Materials and supplies	49	44
Assets held for sale	618	566
Other	142	118
Total current assets	1,967	1,285
Regulatory and other long-term assets:
Regulatory assets	1,144	1,128
Operating lease right-of-use assets	97	103
Goodwill	1,504	1,501
Postretirement benefit assets	155	159
Intangible assets	58	67
Other	202	207
Total regulatory and other long-term assets	3,160	3,165
Total assets	24,394	22,682
Capitalization:
Common stock ($0.01 par value; 500,000,000 shares authorized; 186,437,589 and 185,903,727 shares issued, respectively)	2	2
Paid-in-capital	6,739	6,700
Retained earnings (accumulated deficit)	157	(207)
Accumulated other comprehensive loss	(38)	(36)
Treasury stock, at cost (5,168,086 and 5,090,855 shares, respectively)	(348)	(338)
Total common shareholders' equity	6,512	6,121
Long-term debt	9,580	8,639
Redeemable preferred stock at redemption value	4	5
Total long-term debt	9,584	8,644
Total capitalization	16,096	14,765
Current liabilities:
Short-term debt	1,044	786
Current portion of long-term debt	67	28
Accounts payable	162	203
Accrued liabilities	505	596
Accrued taxes	64	46
Accrued interest	101	84
Liabilities related to assets held for sale	138	128
Other	179	174
Total current liabilities	2,260	2,045
Regulatory and other long-term liabilities:
Advances for construction	262	240
Deferred income taxes and investment tax credits	2,060	1,893
Regulatory liabilities	1,777	1,806
Operating lease liabilities	83	89
Accrued pension expense	386	411
Other	79	78
Total regulatory and other long-term liabilities	4,647	4,517
Contributions in aid of construction	1,391	1,355
Commitments and contingencies (See Note 11)
Total capitalization and liabilities	$ 24,394	$ 22,682