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Commitments and Contingencies - Insurance (Details)
 3 Months Ended 6 Months Ended 17 Months Ended
Jun. 30, 2024
USD ($)
Jun. 30, 2024
USD ($)
Jun. 30, 2024
USD ($)
Loss Contingencies [Line Items]      
Percentage of potential losses covered by insurance on legal liabilities for bodily injury and property damage to third parties 93.00% 93.00% 93.00%
Policy insurance coverage for bodily injury and property damage to third parties, minimum $ 75,000,000 $ 75,000,000 $ 75,000,000
Policy insurance coverage for bodily injury and property damage to third parties, maximum $ 734,000,000 $ 734,000,000 $ 734,000,000
Percentage of potential losses covered by insurance on damage to property owned or in control 82.00% 82.00% 82.00%
Policy insurance coverage for potential losses on damage to property owned or in control, minimum $ 75,000,000 $ 75,000,000 $ 75,000,000
Policy insurance coverage for potential losses on damage to property owned or in control, maximum 275,000,000 275,000,000 275,000,000
Eastern Ohio Incident      
Loss Contingencies [Line Items]      
Actual insurance coverage for bodily injury and property damage to third parties, minimum 75,000,000 75,000,000 75,000,000
Actual insurance coverage for bodily injury and property damage to third parties, maximum 800,000,000 800,000,000 800,000,000
Actual insurance coverage for bodily injury and property damage to third parties, pollution releases, maximum $ 1,100,000,000 $ 1,100,000,000 $ 1,100,000,000
Percent of actual losses covered by insurance on damage to property owned or in control 82.00% 82.00% 82.00%
Actual insurance coverage for potential losses on damage to property owned or in control, minimum $ 75,000,000 $ 75,000,000 $ 75,000,000
Actual insurance coverage for potential losses on damage to property owned or in control, maximum 275,000,000 275,000,000 275,000,000
Insurance recoveries 156,000,000 264,000,000 365,000,000
Insurance recoveries receivable $ 119,000,000 $ 119,000,000 $ 119,000,000