CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Current assets
Cash and cash equivalents	$ 244	$ 248
Accounts receivable, net	839	837
Accrued unbilled revenues	561	713
Inventories	488	544
Regulatory assets	508	488
Derivative instruments	45	55
Prepaid taxes	68	43
Prepayments and other	230	185
Total current assets	2,983	3,113
Property, plant and equipment, net	40,776	39,483
Other assets
Nuclear decommissioning fund and other investments	2,429	2,731
Regulatory assets	3,130	2,935
Derivative instruments	39	22
Operating lease right-of-use assets	1,260	1,672
Other	516	492
Total other assets	7,374	7,852
Total assets	51,133	50,448
Current liabilities
Current portion of long-term debt	1,102	702
Short-term debt	1,765	595
Accounts payable	996	1,294
Regulatory liabilities	456	407
Taxes accrued	553	466
Accrued interest	167	192
Dividends payable	226	212
Derivative instruments	52	38
Operating lease liabilities	143	194
Other	379	468
Total current liabilities	5,839	4,568
Deferred credits and other liabilities
Deferred income taxes	4,492	4,509
Deferred investment tax credits	48	49
Regulatory liabilities	5,342	5,077
Asset retirement obligations	2,734	2,701
Derivative instruments	183	175
Customer advances	202	203
Pension and employee benefit obligations	622	785
Operating lease liabilities	1,163	1,549
Other	196	186
Total deferred credits and other liabilities	14,982	15,234
Commitments and contingencies
Capitalization
Long-term debt	17,010	17,407
Common stock — 1,000,000,000 shares authorized of $2.50 par value; 525,033,594 and 524,539,000 shares outstanding at March 31, 2020 and Dec. 31, 2019, respectively	1,313	1,311
Additional paid in capital	6,659	6,656
Retained earnings	5,478	5,413
Accumulated other comprehensive loss	(148)	(141)
Total common stockholders’ equity	13,302	13,239
Total liabilities and equity	$ 51,133	$ 50,448