Consolidated Statements of Operations (Unaudited) - SPPC - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Total operating revenue	$ 6,064	$ 4,612	$ 12,145	$ 9,139
Cost of sales	1,110	888	2,679	1,926
Total operating expenses	4,856	3,676	9,604	7,284
Operating income	1,208	936	2,541	1,855
Interest expense	(532)	(503)	(1,062)	(986)
Allowance for equity funds	30	38	56	72
Other, net	48	52	56	25
Total other income (expense)	1,552	209	(27)	(203)
Income (loss) before income tax expense (benefit) and equity income (loss)	2,760	1,145	2,514	1,652
Income tax expense (benefit)	327	(7)	(208)	(191)
Net income (loss) attributable to parent	2,281	1,116	2,285	1,786
SPPC
Total operating revenue	209	185	429	417
Operations and maintenance	41	41	77	83
Depreciation and amortization	36	34	72	68
Property and other taxes	6	5	12	11
Total operating expenses	184	162	365	354
Operating income	25	23	64	63
Interest expense	(13)	(14)	(27)	(28)
Capitalized interest	1	1	1	1
Allowance for equity funds	2	1	3	2
Other, net	3	3	9	4
Total other income (expense)	(7)	(9)	(14)	(21)
Income (loss) before income tax expense (benefit) and equity income (loss)	18	14	50	42
Income tax expense (benefit)	1	1	5	4
Net income (loss) attributable to parent	17	13	45	38
SPPC | Regulated electric
Total operating revenue	189	165	370	349
Cost of sales	93	72	175	152
SPPC | Regulated natural gas
Total operating revenue	20	20	59	68
Cost of sales	$ 8	$ 10	$ 29	$ 40