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Risk Management Activities (Tables)

3 Months Ended

Mar. 31, 2023

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value

Risk management assets and liabilities on our derivatives are presented on the Condensed Consolidated Balance Sheets (unaudited) as shown below:

			March 31, 2023												December 31, 2022
(in millions)			Assets						Liabilities						Assets						Liabilities
Current(1)
Derivatives designated as hedging instruments			$	—					$	—					$	—					$	—
Derivatives not designated as hedging instruments			5.0						5.4						18.8						1.1
Total			$	5.0					$	5.4					$	18.8					$	1.1
Noncurrent(2)
Derivatives designated as hedging instruments			$	—					$	—					$	—					$	—
Derivatives not designated as hedging instruments			46.5						1.1						66.0						1.9
Total			$	46.5					$	1.1					$	66.0					$	1.9

(1)Current assets and liabilities are presented in "Prepayments and other" and "Other accruals", respectively, on the Condensed Consolidated Balance Sheets (unaudited).

(2)Noncurrent assets and liabilities are presented in "Deferred charges and other" and "Other noncurrent liabilities and deferred credits", respectively, on the Condensed Consolidated Balance Sheets (unaudited).

Derivative Instruments, Gain (Loss)

The following table summarizes the gains and losses associated with the commodity price risk programs:

(in millions)			March 31, 2023						December 31, 2022
Regulatory Assets
Losses on commodity price risk programs			$	21.7					$	10.0
Regulatory Liabilities
Gains on commodity price risk programs			52.3						90.0

Our derivative instruments measured at fair value as of March 31, 2023 and December 31, 2022 do not contain any credit-risk-related contingent features.

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Tabular disclosure of the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4E
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5624181-113959

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5624171-113959

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Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5624163-113959

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