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Business Segment Information (Tables)

6 Months Ended

Jun. 30, 2024

Segment Reporting [Abstract]

Schedule Of Operating Income Derived From Revenues And Expenses By Segment

			Three Months Ended June 30,												Six Months Ended June 30,
(in millions)			2024						2023						2024						2023
Operating Revenues
Columbia Operations
Unaffiliated			$	487.4					$	521.6					$	1,441.1					$	1,570.5
Intersegment			3.1						3.1						6.3						6.1
Total			490.5						524.7						1,447.4						1,576.6
NIPSCO Operations
Unaffiliated			597.2						568.2						1,349.6						1,485.1
Intersegment			0.2						0.1						0.5						0.4
Total			597.4						568.3						1,350.1						1,485.5
Corporate and Other
Unaffiliated			0.1						0.2						0.3						0.4
Intersegment			139.0						122.8						278.9						239.5
Total			139.1						123.0						279.2						239.9
Eliminations			(142.3)						(126.0)						(285.7)						(246.0)
Consolidated Operating Revenues			$	1,084.7					$	1,090.0					$	2,791.0					$	3,056.0
Operating Income
Columbia Operations			$	96.6					$	101.1					$	458.6					$	452.9
NIPSCO Operations			142.3						63.8						358.7						240.8
Corporate and Other			(1.9)						4.0						3.1						6.2
Consolidated Operating Income			$	237.0					$	168.9					$	820.4					$	699.9

The following table provides information about the assets of our reportable segments included in the Condensed Consolidated Balance Sheet (unaudited):

(in millions)			June 30, 2024						December 31, 2023
Assets
Columbia Operations			$	13,863.5					$	13,664.5
NIPSCO Operations			14,785.5						13,962.6
Corporate and Other			1,248.6						3,450.1
Consolidated Assets			$	29,897.6					$	31,077.2

Information about our reportable segments for the six months ended June 30, 2023, as well as for the period ended December 31, 2023 has been recast to align with the current year's presentation.

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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
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 25
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-25

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-22

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 30
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-30

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- References

No definition available.

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