Consolidated Condensed Statements of Income and Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Revenues
Electric	$ 633	$ 505	$ 1,610	$ 1,378
Gas	114	91	390	314
Total revenues	747	596	2,000	1,692
Expenses
Fuel	175	71	413	239
Purchased power	42	30	86	57
Cost of natural gas sold	30	22	113	89
Operations and maintenance	139	134	406	394
Depreciation and amortization	109	97	322	286
Taxes, other than income	59	51	169	152
Total expenses	554	405	1,509	1,217
Income from operations	193	191	491	475
Other income
Allowance for equity funds used during construction	12	8	32	21
Other income, net	1	1	4	4
Total other income	13	9	36	25
Interest charges
Interest expense	37	36	114	108
Allowance for borrowed funds used during construction	(5)	(4)	(15)	(10)
Total interest charges	32	32	99	98
Income before provision for income taxes	174	168	428	402
Provision for income taxes	25	27	66	67
Net income	149	141	362	335
Comprehensive income	$ 149	$ 141	$ 362	$ 335