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Commitments (Tables)
 12 Months Ended
Dec. 31, 2022
Commitments and Contingencies Disclosure [Abstract]  
Schedule of commitments and contingencies A schedule of future minimum long-term purchase commitments, based on expected market prices as of December 31, 2022 is as follows:
(in millions)Purchase
Commitments
2023$4,393.0 
20241,054.2 
2025307.7 
2026216.3 
202740.0 
Subsequent years92.3 
$6,103.5