Consolidated Statements of Operations (Unaudited) - SPPC - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Total operating revenue	$ 6,346	$ 6,030
Cost of sales	1,955	1,460
Total operating expenses	5,679	4,794
Operating income	667	1,236
Interest expense	(586)	(532)
Allowance for equity funds	49	38
Interest and dividend income	86	23
Other, net	40	5
Total other income (expense)	312	(1,706)
Income (loss) before income tax expense (benefit) and equity income (loss)	979	(470)
Income tax expense (benefit)	(162)	(507)
Net income (loss) attributable to parent	989	(129)
SPPC
Total operating revenue	400	279
Operations and maintenance	56	41
Depreciation and amortization	46	36
Property and other taxes	7	6
Total operating expenses	365	241
Operating income	35	38
Interest expense	(16)	(13)
Capitalized interest	2	1
Allowance for equity funds	2	2
Interest and dividend income	7	3
Other, net	1	2
Total other income (expense)	(4)	(5)
Income (loss) before income tax expense (benefit) and equity income (loss)	31	33
Income tax expense (benefit)	4	5
Net income (loss) attributable to parent	27	28
SPPC | Regulated electric
Total operating revenue	304	227
Cost of sales	181	124
SPPC | Regulated natural gas
Total operating revenue	96	52
Cost of sales	$ 75	$ 34