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v3.23.1

Derivatives - Assets and Liabilities (Details) - USD ($) $ in Millions | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Derivative [Line Items] |  |
Due to affiliate, current | $ 22.6 | $ 17.0
Due to affiliate, noncurrent | 5.9 | 8.3
Not designated as hedging instrument |  |
Derivative [Line Items] |  |
Derivative asset | 52.6 | 129.1
Derivative liability | 19.3 | 31.0
Not designated as hedging instrument | Commodity contract |  |
Derivative [Line Items] |  |
Derivative asset | 52.5 | 129.1
Derivative liability | 15.1 | 23.7
Not designated as hedging instrument | Foreign exchange contract |  |
Derivative [Line Items] |  |
Derivative asset | 0.1 | 0.0
Derivative liability | 4.2 | 7.3
Glencore | Commodity contract |  |
Derivative [Line Items] |  |
Due from affiliate, current | 7.1 |
Due from affiliate, noncurrent | $ 5.9 |
Due to affiliate, current |  | 11.9
Due to affiliate, noncurrent |  | $ 8.3

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