Consolidated Condensed Statements of Income and Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Revenues
Electric	$ 531	$ 453	$ 977	$ 873
Gas	123	96	276	223
Total revenues	654	549	1,253	1,096
Expenses
Fuel	129	67	238	168
Purchased power	26	25	44	27
Cost of natural gas sold	33	25	83	67
Operations and maintenance	139	126	267	260
Depreciation and amortization	107	92	213	189
Taxes, other than income	56	50	110	101
Total expenses	490	385	955	812
Income from operations	164	164	298	284
Other income
Allowance for equity funds used during construction	10	7	20	13
Other income, net	2	2	3	3
Total other income	12	9	23	16
Interest charges
Interest expense	39	35	77	72
Allowance for borrowed funds used during construction	(5)	(3)	(10)	(6)
Total interest charges	34	32	67	66
Income before provision for income taxes	142	141	254	234
Provision for income taxes	21	24	41	40
Net income	121	117	213	194
Comprehensive income	$ 121	$ 117	$ 213	$ 194