Segments and Related Information (Tables)

12 Months Ended

Dec. 31, 2018

Segment Reporting [Abstract]

Results from Operations by Reportable Segment

Xcel Energy’s segment information:

(Millions of Dollars)	2018			2017			2016
Regulated Electric
Operating revenues from external customers	$	9,719		$	9,676		$	9,500
Intersegment revenue	1			2			1
Total revenues	$	9,720		$	9,678		$	9,501
Depreciation and amortization	1,421			1,298			1,136
Interest charges and financing costs	449			449			450
Income tax expense	187			528			567
Net income	1,177			1,066			1,067
Regulated Natural Gas
Operating revenues from external customers	$	1,739		$	1,650		$	1,531
Intersegment revenue	2			1			1
Total revenues	$	1,741		$	1,651		$	1,532
Depreciation and amortization	212			174			160
Interest charges and financing costs	61			57			54
Income tax expense	28			23			76
Net income	187			182			124
All Other
Total operating revenue	$	79		$	78		$	76
Depreciation and amortization	9			7			7
Interest charges and financing costs	142			122			116
Income tax (benefit)	(34		)	(9		)	(62		)
Net (loss)	(103		)	(100		)	(68		)
Consolidated Total
Total revenue	$	11,540		$	11,407		$	11,109
Reconciling eliminations	(3		)	(3		)	(2		)
Consolidated total revenue	$	11,537		$	11,404		$	11,107
Depreciation and amortization	1,642			1,479			1,303
Interest charges and financing costs	652			628			620
Income tax expense	181			542			581
Net income	1,261			1,148			1,123