Segment Information (Tables)

12 Months Ended

Dec. 31, 2019

Segment Reporting [Abstract]

Schedule of information concerning our reportable segments

The following tables show summarized financial information related to our reportable segments for the years ended December 31, 2019, 2018, and 2017.

2019 (in millions)	Utility		Other		Wisconsin Electric Power Company Consolidated
External revenues	$	3,496.7	$	—	$	3,496.7
Other operation and maintenance	1,053.1		—		1,053.1
Depreciation and amortization	384.4		—		384.4
Operating income	760.2		—		760.2
Interest expense	477.4		—		477.4
Capital expenditures	590.6		—		590.6
Total assets	13,360.8		—		13,360.8

2018 (in millions)	Utility		Other		Wisconsin Electric Power Company Consolidated
External revenues	$	3,625.0	$	—	$	3,625.0
Other operation and maintenance	1,502.4		—		1,502.4
Depreciation and amortization	348.1		—		348.1
Operating income	402.5		—		402.5
Interest expense	120.1		—		120.1
Capital expenditures	603.2		—		603.2
Total assets	13,538.3		—		13,538.3

2017 (in millions)	Utility		Other		Wisconsin Electric Power Company Consolidated
External revenues	$	3,711.7	$	—	$	3,711.7
Other operation and maintenance	1,352.0		—		1,352.0
Depreciation and amortization	331.6		—		331.6
Operating income	632.1		—		632.1
Interest expense	117.0		0.3		117.3
Capital expenditures	596.1		—		596.1
Total assets	13,121.6		—		13,121.6