Consolidated Statements of Operations (Unaudited) - SPPC - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Total operating revenue	$ 6,229	$ 6,612	$ 12,575	$ 12,642
Cost of sales	1,566	1,525	3,521	2,985
Total operating expenses	5,183	5,405	10,862	10,199
Operating income	1,046	1,207	1,713	2,443
Interest expense	(599)	(550)	(1,185)	(1,082)
Allowance for equity funds	61	42	110	80
Interest and dividend income	127	30	213	53
Other, net	78	(26)	118	(21)
Total other income (expense)	3	2,042	315	336
Income (loss) before income tax expense (benefit) and equity income (loss)	1,049	3,249	2,028	2,779
Income tax expense (benefit)	(255)	149	(417)	(358)
Net income (loss) attributable to parent	1,075	2,897	2,064	2,768
SPPC
Total operating revenue	337	258	737	537
Operations and maintenance	49	47	105	88
Depreciation and amortization	46	37	92	73
Property and other taxes	6	6	13	12
Total operating expenses	311	235	676	476
Operating income	26	23	61	61
Interest expense	(15)	(14)	(31)	(27)
Capitalized interest	3	0	5	1
Allowance for equity funds	3	2	5	4
Interest and dividend income	5	4	12	7
Other, net	1	0	2	2
Total other income (expense)	(3)	(8)	(7)	(13)
Income (loss) before income tax expense (benefit) and equity income (loss)	23	15	54	48
Income tax expense (benefit)	3	2	7	7
Net income (loss) attributable to parent	20	13	47	41
SPPC | Regulated electric
Total operating revenue	293	230	597	457
Cost of sales	179	129	360	253
SPPC | Regulated natural gas
Total operating revenue	44	28	140	80
Cost of sales	$ 31	$ 16	$ 106	$ 50