CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019
Current assets
Cash and cash equivalents	$ 1,625	$ 248
Accounts receivable, net	799	837
Accrued unbilled revenues	613	713
Inventories	487	544
Regulatory assets	513	488
Derivative instruments	72	55
Prepaid taxes	73	43
Prepayments and other	208	185
Total current assets	4,390	3,113
Property, plant and equipment, net	41,124	39,483
Other assets
Nuclear decommissioning fund and other investments	2,683	2,731
Regulatory assets	2,973	2,935
Derivative instruments	38	22
Operating lease right-of-use assets	1,229	1,672
Other	1,019	492
Total other assets	7,942	7,852
Total assets	53,456	50,448
Current liabilities
Current portion of long-term debt	1,101	702
Short-term debt	1,410	595
Accounts payable	1,188	1,294
Regulatory liabilities	420	407
Taxes accrued	343	466
Accrued interest	200	192
Dividends payable	226	212
Derivative instruments	40	38
Operating lease liabilities	149	194
Other	396	468
Total current liabilities	5,473	4,568
Deferred credits and other liabilities
Deferred income taxes	4,569	4,509
Deferred investment tax credits	47	49
Regulatory liabilities	5,310	5,077
Asset retirement obligations	2,881	2,701
Derivative instruments	181	175
Customer advances	201	203
Pension and employee benefit obligations	636	785
Operating lease liabilities	1,125	1,549
Other	185	186
Total deferred credits and other liabilities	15,135	15,234
Commitments and contingencies
Capitalization
Long-term debt	19,463	17,407
Common stock — 1,000,000,000 shares authorized of $2.50 par value; 525,204,978 and 524,539,000 shares outstanding at June 30, 2020 and Dec. 31, 2019, respectively	$ 1,313	$ 1,311
Common Stock, Shares Authorized	1,000,000,000	1,000,000,000
Common Stock, Par or Stated Value Per Share	$ 2.50	$ 2.50
Common Stock, Shares, Outstanding	525,204,978	524,539,000
Additional paid in capital	$ 6,679	$ 6,656
Retained earnings	5,538	5,413
Accumulated other comprehensive loss	(145)	(141)
Total common stockholders’ equity	13,385	13,239
Total liabilities and equity	$ 53,456	$ 50,448