Consolidated Statements of Operations (Unaudited) - SPPC - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Total operating revenue	$ 6,030	$ 6,081
Cost of sales	1,460	1,569
Total operating expenses	4,794	4,748
Operating income	1,236	1,333
Interest expense	(532)	(530)
Allowance for equity funds	38	26
Interest and dividend income	23	21
Other, net	5	8
Total other income (expense)	(1,706)	(1,579)
Income (loss) before income tax expense (benefit) and equity income (loss)	(470)	(246)
Income tax benefit	(507)	(535)
Net income (loss) attributable to parent	(129)	4
SPPC
Total operating revenue	279	220
Operations and maintenance	41	36
Depreciation and amortization	36	36
Property and other taxes	6	6
Total operating expenses	241	181
Operating income	38	39
Interest expense	(13)	(14)
Capitalized interest	1	0
Allowance for equity funds	2	1
Interest and dividend income	3	2
Other, net	2	4
Total other income (expense)	(5)	(7)
Income (loss) before income tax expense (benefit) and equity income (loss)	33	32
Income tax benefit	5	4
Net income (loss) attributable to parent	28	28
SPPC | Regulated electric
Total operating revenue	227	181
Cost of sales	124	82
SPPC | Regulated natural gas
Total operating revenue	52	39
Cost of sales	$ 34	$ 21