Segments and Related Information (Tables)

12 Months Ended

Dec. 31, 2022

Segment Reporting [Abstract]

Results from Operations by Reportable Segment

PSCo’s segment information:

(Millions of Dollars)	2022		2021		2020
Regulated Electric
Operating revenues — external	$	3,795	$	3,413	$	3,116
Intersegment revenue	1		1		1
Total revenues	$	3,796	$	3,414	$	3,117
Depreciation and amortization	650		566		497
Interest charges and financing costs	200		179		173
Income tax (benefit) expense	(11)		(16)		13
Net income	550		495		460
Regulated Natural Gas
Total revenues	$	1,860	$	1,355	$	1,024
Depreciation and amortization	190		171		152
Interest charges and financing costs	59		53		50
Income tax expense	49		45		29
Net income	180		168		126
All Other
Total revenues (a)	$	53	$	47	$	43
Depreciation and amortization	8		7		6
Interest charges and financing costs	1		2		1
Income tax (benefit) expense	(1)		4		3
Net (loss) income	(3)		(3)		2
Consolidated Total
Total revenues (a)	$	5,709	$	4,816	$	4,184
Reconciling eliminations	(1)		(1)		(1)
Total operating revenues	$	5,708	$	4,815	$	4,183
Depreciation and amortization	848		744		655
Interest charges and financing costs	260		234		224
Income tax expense	37		33		45
Net income	727		660		588

(a)    Operating revenues include $5 million of other affiliate revenue for the years ended Dec. 31, 2022, 2021 and 2020, respectively. See Note 13 for further information.