Consolidated Statements of Income - USD ($) shares in Millions, $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
REVENUES:
Revenues	[1]	$ 3,124	$ 3,022	$ 8,472	$ 8,253
OPERATING EXPENSES:
Fuel		132	101	362	276
Purchased power		874	766	2,206	2,073
Other operating expenses		856	937	2,326	2,416
Provision for depreciation		326	316	972	954
Amortization (deferral) of regulatory assets, net		30	(91)	171	(26)
General taxes		275	272	812	792
DPA penalty (Note 9)		0	0	230	0
Gain on sale of Yards Creek (Note 8)		0	0	(109)	0
Total operating expenses		2,493	2,301	6,970	6,485
OPERATING INCOME		631	721	1,502	1,768
OTHER INCOME (EXPENSE):
Miscellaneous income, net		136	100	379	303
Pension and OPEB mark-to-market adjustment (Note 5)		0	0	0	(423)
Interest expense		(283)	(266)	(855)	(792)
Capitalized financing costs		20	21	54	57
Total other expense		(127)	(145)	(422)	(855)
INCOME BEFORE INCOME TAXES		504	576	1,080	913
INCOME TAXES		88	116	271	122
INCOME FROM CONTINUING OPERATIONS		416	460	809	791
Discontinued operations (Note 3)	[2]	47	(6)	47	46
NET INCOME		$ 463	$ 454	$ 856	$ 837
EARNINGS PER SHARE OF COMMON STOCK (Note 4):
Basic - Continuing Operations (in dollars per share)		$ 0.76	$ 0.85	$ 1.48	$ 1.46
Basic - Discontinued Operations (in dollars per share)		0.09	(0.01)	0.09	0.08
Basic - Earnings Per Share of Common Stock (in dollars per share)		0.85	0.84	1.57	1.54
Diluted - Continuing Operations (in dollars per share)		0.76	0.85	1.48	1.46
Diluted - Discontinued Operations (in dollars per share)		0.09	(0.01)	0.09	0.08
Diluted - Earnings Per Share to Common Stock (in dollars per share)		$ 0.85	$ 0.84	$ 1.57	$ 1.54
WEIGHTED AVERAGE NUMBER OF COMMON SHARES OUTSTANDING:
Basic, in shares		544	542	544	542
Diluted, in shares		545	543	545	543
Distribution Services and Retail Generation
REVENUES:
Revenues		$ 2,550	$ 2,470	$ 6,882	$ 6,624
Transmission
REVENUES:
Revenues		411	408	1,223	1,185
Other
REVENUES:
Revenues		$ 163	$ 144	$ 367	$ 444

[1] Includes excise and gross receipts tax collections of $103 million and $100 million during the three months ended September 30, 2021 and 2020, respectively, and $283 million and $276 million during the nine months ended September 30, 2021 and 2020, respectively.

[2] Net of income tax expense (benefits) of $(47) million for the three and nine months ended September 30, 2021, and $6 million and $(29) million for the three and nine months ended September 30, 2020, respectively.