Condensed Statements of Consolidated Income (Unaudited) - USD ($) shares in Thousands, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenues:
Utility revenues	$ 1,862	$ 1,652	$ 4,571	$ 4,136
Non-utility revenues	82	90	136	153
Total	1,944	1,742	4,707	4,289
Expenses:
Utility natural gas, fuel and purchased power	413	258	1,511	1,193
Non-utility cost of revenues, including natural gas	56	58	91	98
Operation and maintenance	662	677	1,350	1,346
Depreciation and amortization	327	327	645	634
Taxes other than income taxes	135	126	282	269
Total	1,593	1,446	3,879	3,540
Operating Income	351	296	828	749
Other Income (Expense):
Gain (loss) on equity securities	(61)	75	(78)	52
Gain (loss) on indexed debt securities	65	(77)	171	(51)
Gain on sale	0	0	303	0
Interest expense and other finance charges	(106)	(126)	(259)	(266)
Interest expense on Securitization Bonds	(4)	(5)	(8)	(11)
Other income (expense), net	(1)	18	17	37
Total	(107)	(115)	146	(239)
Income from Continuing Operations Before Income Taxes	244	181	974	510
Income tax expense (benefit)	54	(19)	253	30
Income from Continuing Operations	190	200	721	480
Income from Discontinued Operations (net of tax expense of $-0-, $16, $-0- and $41, respectively)	0	51	0	134
Net Income	190	251	721	614
Income allocated to preferred shareholders	11	30	24	59
Income Available to Common Shareholders	$ 179	$ 221	$ 697	$ 555
Basic Earnings (Loss) Per Common Share [Abstract]
Basic earnings per common share - continuing operations (in dollars per share)	$ 0.28	$ 0.29	$ 1.11	$ 0.74
Basic earnings per common share - discontinued operations (in dollars per share)	0	0.09	0	0.24
Basic Earnings Per Common Share (in dollars per share)	0.28	0.38	1.11	0.98
Diluted Earnings (Loss) Per Common Share [Abstract]
Diluted earnings per common share - continuing operations (in dollars per share)	0.28	0.29	1.10	0.71
Diluted earnings (loss) per common share - discontinued operations (in dollars per share)	0	0.08	0	0.22
Diluted Earnings Per Common Share (in dollars per share)	$ 0.28	$ 0.37	$ 1.10	$ 0.93
Weighted Average Number of Shares Outstanding, Basic (in shares)	629,475	585,720	629,306	568,728
Weighted Average Number of Shares Outstanding, Diluted (in shares)	631,663	596,330	631,494	596,130