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Report of Business Segments (Tables)

6 Months Ended

Jun. 30, 2020

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment [Table Text Block]

The following tables summarize the results of the Company's business segments during the three and six months ended June 30, 2020 and 2019.

Three Months Ended June 30, 2020			Electric Utility			Natural Gas Midstream Operations			Other Operations			Eliminations			Total
(In millions)
Operating revenues			$	503.5		$	—		$	—		$	—		$	503.5
Cost of sales			137.4			—			—			—			137.4
Other operation and maintenance			117.7			0.3			(0.5)			—			117.5
Depreciation and amortization			97.3			—			—			—			97.3
Taxes other than income			25.0			0.1			0.8			—			25.9
Operating income (loss)			126.1			(0.4)			(0.3)			—			125.4
Equity in earnings of unconsolidated affiliates			—			26.9			—			—			26.9
Other income			0.5			—			1.7			(0.2)			2.0
Interest expense			39.3			—			1.7			(0.2)			40.8
Income tax expense			8.4			7.5			11.7			—			27.6
Net income (loss)			$	78.9		$	19.0		$	(12.0)		$	—		$	85.9
Investment in unconsolidated affiliates			$	—		$	356.4		$	20.1		$	—		$	376.5
Total assets			$	10,367.6		$	360.2		$	109.1		$	(397.8)		$	10,439.1

Three Months Ended June 30, 2019			Electric Utility			Natural Gas Midstream Operations			Other Operations			Eliminations			Total
(In millions)
Operating revenues			$	513.7		$	—		$	—		$	—		$	513.7
Cost of sales			178.7			—			—			—			178.7
Other operation and maintenance			120.0			0.3			(0.5)			—			119.8
Depreciation and amortization			84.3			—			—			—			84.3
Taxes other than income			20.1			0.1			0.7			—			20.9
Operating income (loss)			110.6			(0.4)			(0.2)			—			110.0
Equity in earnings of unconsolidated affiliates			—			35.8			—			—			35.8
Other income (expense)			1.5			(0.4)			1.0			(0.6)			1.5
Interest expense			33.3			—			3.2			(0.6)			35.9
Income tax expense (benefit)			4.3			8.1			(1.2)			—			11.2
Net income (loss)			$	74.5		$	26.9		$	(1.2)		$	—		$	100.2
Investment in unconsolidated affiliates			$	—		$	1,157.2		$	14.1		$	—		$	1,171.3
Total assets			$	9,733.8		$	1,160.0		$	104.5		$	(112.1)		$	10,886.2

Six Months Ended June 30, 2020			Electric Utility			Natural Gas Midstream Operations			Other Operations			Eliminations			Total
(In millions)
Operating revenues			$	934.8		$	—		$	—		$	—		$	934.8
Cost of sales			272.4			—			—			—			272.4
Other operation and maintenance			238.7			0.9			(2.1)			—			237.5
Depreciation and amortization			191.7			—			—			—			191.7
Taxes other than income			48.9			0.2			2.4			—			51.5
Operating income (loss)			183.1			(1.1)			(0.3)			—			181.7
Equity in earnings (losses) of unconsolidated affiliates (A)			—			(719.6)			—			—			(719.6)
Other income			2.3			—			3.0			(1.2)			4.1
Interest expense			76.2			—			4.1			(1.2)			79.1
Income tax expense (benefit)			10.4			(171.7)			(45.7)			—			(207.0)
Net income (loss)			$	98.8		$	(549.0)		$	44.3		$	—		$	(405.9)
Investment in unconsolidated affiliates			$	—		$	356.4		$	20.1		$	—		$	376.5
Total assets			$	10,367.6		$	360.2		$	109.1		$	(397.8)		$	10,439.1

(A)In March 2020, the Company recorded a $780.0 million impairment on its investment in Enable, as further discussed in Notes 4 and 5.

Six Months Ended June 30, 2019			Electric Utility			Natural Gas Midstream Operations			Other Operations			Eliminations			Total
(In millions)
Operating revenues			$	1,003.7		$	—		$	—		$	—		$	1,003.7
Cost of sales			391.3			—			—			—			391.3
Other operation and maintenance			240.3			0.7			(2.2)			—			238.8
Depreciation and amortization			166.7			—			—			—			166.7
Taxes other than income			44.5			0.3			2.4			—			47.2
Operating income (loss)			160.9			(1.0)			(0.2)			—			159.7
Equity in earnings of unconsolidated affiliates			—			66.5			—			—			66.5
Other income (expense)			4.1			(7.8)			1.7			(1.0)			(3.0)
Interest expense			65.7			—			5.8			(1.0)			70.5
Income tax expense (benefit)			5.2			9.5			(9.3)			—			5.4
Net income			$	94.1		$	48.2		$	5.0		$	—		$	147.3
Investment in unconsolidated affiliates			$	—		$	1,157.2		$	14.1		$	—		$	1,171.3
Total assets			$	9,733.8		$	1,160.0		$	104.5		$	(112.1)		$	10,886.2

X

- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 280
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-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8906-108599

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