Supplemental Cash Flow Information (Details) - USD ($) $ in Millions |
6 Months Ended | |||||
|---|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Cash: | ||||||
| Interest paid, net of capitalized interest | [1] | $ 419.9 | $ 363.4 | |||
| Income taxes paid, net of refunds | 1.2 | 21.1 | ||||
| Non-cash investing activities: | ||||||
| Change in deadstock commodity inventory | 11.3 | (3.8) | ||||
| Impact of net accruals on capital expenditures | 203.1 | (187.4) | ||||
| Non-cash financing activities: | ||||||
| Changes in accrued distributions to noncontrolling interests | (0.3) | (13.5) | ||||
| Change in ARO liability and property, plant and equipment, net due to additions and revised cash flow estimates | 10.8 | 1.0 | ||||
| Changes in lease liabilities from recognition (derecognition) of right-of-use assets: | ||||||
| Operating lease | 25.3 | (2.5) | ||||
| Finance lease | [2] | $ 490.8 | $ 36.5 | |||
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