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Risk Management Activities (Tables) | 12 Months Ended
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Dec. 31, 2023
Risk Management Activities [Abstract] |
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value | Risk management assets and liabilities on our derivatives are presented on the Consolidated Balance Sheets as shown below:
| December 31, 2023 |  | December 31, 2022
(in millions) | Assets |  | Liabilities |  | Assets |  | Liabilities
Current(1) |  |  |  |  |  |  |
Derivatives not designated as hedging instruments | $ | 1.1 |  |  | $ | 7.5 |  |  | $ | 18.8 |  |  | $ | 1.1 |
Total | $ | 1.1 |  |  | $ | 7.5 |  |  | $ | 18.8 |  |  | $ | 1.1 |
Noncurrent(2) |  |  |  |  |  |  |
Derivatives not designated as hedging instruments | $ | 22.2 |  |  | $ | 1.9 |  |  | $ | 66.0 |  |  | $ | 1.9 |
Total | $ | 22.2 |  |  | $ | 1.9 |  |  | $ | 66.0 |  |  | $ | 1.9 |
(1) Current assets and liabilities are presented in "Prepayments and other" and "Other accruals", respectively, on the Consolidated Balance Sheets. (2) Noncurrent assets and liabilities are presented in "Deferred charges and other" and "Other noncurrent liabilities and deferred credits", respectively, on the Consolidated Balance Sheets.

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- Definition Risk Management Activities [Abstract] + References No definition available. + Details
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- Definition 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 -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4B + Details
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