Consolidated Condensed Statements of Income and Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Revenues
Electric	$ 505	$ 558	$ 1,378	$ 1,489
Gas	91	96	314	331
Total revenues	596	654	1,692	1,820
Expenses
Fuel	71	141	239	387
Purchased power	30	22	57	39
Cost of natural gas sold	22	30	89	115
Operations and maintenance	134	134	394	396
Depreciation and amortization	97	95	286	281
Taxes, other than income	51	53	152	155
Total expenses	405	475	1,217	1,373
Income from operations	191	179	475	447
Other income
Allowance for equity funds used during construction	8	3	21	7
Other income, net	1	2	4	7
Total other income	9	5	25	14
Interest charges
Interest expense	36	36	108	104
Allowance for borrowed funds used during construction	(4)	(1)	(10)	(3)
Total interest charges	32	35	98	101
Income before provision for income taxes	168	149	402	360
Provision for income taxes	27	23	67	63
Net income	141	126	335	297
Comprehensive income	$ 141	$ 126	$ 335	$ 297