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Business Segment Information (Tables)

9 Months Ended

Sep. 30, 2021

Segment Reporting [Abstract]

Schedule Of Operating Income Derived From Revenues And Expenses By Segment

The following table provides information about our business segments. We use operating income as our primary measurement for each of the reported segments and make decisions on finance, dividends and taxes at the corporate level on a consolidated basis. Segment revenues include intersegment sales to affiliated subsidiaries, which are eliminated in consolidation. Affiliated sales are recognized on the basis of prevailing market, regulated prices or at levels provided for under contractual agreements. Operating income is derived from revenues and expenses directly associated with each segment.

			Three Months Ended September 30,												Nine Months Ended  September 30,
(in millions)			2021						2020						2021						2020
Operating Revenues
Gas Distribution Operations
Unaffiliated			$	472.3					$	470.1					$	2,182.4					$	2,304.4
Intersegment			3.0						3.0						9.1						9.0
Total			475.3						473.1						2,191.5						2,313.4
Electric Operations
Unaffiliated			478.9						432.2						1,284.9						1,165.7
Intersegment			0.2						0.1						0.6						0.5
Total			479.1						432.3						1,285.5						1,166.2
Corporate and Other
Unaffiliated			8.2						0.2						23.7						0.6
Intersegment			108.6						120.5						329.9						327.9
Total			116.8						120.7						353.6						328.5
Eliminations			(111.8)						(123.6)						(339.6)						(337.4)
Consolidated Operating Revenues			$	959.4					$	902.5					$	3,491.0					$	3,470.7
Operating Income (Loss)
Gas Distribution Operations			$	11.0					$	(42.2)					$	419.1					$	38.0
Electric Operations			140.4						130.0						307.9						295.4
Corporate and Other			(4.3)						5.0						(4.5)						(0.7)
Consolidated Operating Income			$	147.1					$	92.8					$	722.5					$	332.7

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- 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
-Paragraph 22
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 25
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8813-108599

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 30
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8906-108599

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- References

No definition available.

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