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Variable Interest Entities (Schedule of VIE Assets and Liabilities) (Details) - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
VIE Assets and Liabilities [Abstract]      
Net Property, Plant and Equipment $ 19,842.6 $ 17,881.8  
Current assets [1] 2,584.3 1,920.8  
Total Assets 26,736.6 24,156.9 $ 22,040.5
Current liabilities 4,660.5 2,746.2  
Asset retirement obligations 478.1 469.7  
Other noncurrent liabilities 296.8 690.2  
Consolidated Variable Interest Entities      
VIE Assets and Liabilities [Abstract]      
Net Property, Plant and Equipment 978.5 695.9  
Current assets 25.7 14.3  
Total Assets 1,004.2 710.2  
Current liabilities 128.2 10.0  
Asset retirement obligations 30.6 20.5  
Total liabilities $ 158.8 $ 30.5  
[1] (1)Includes $978.5 million and $695.9 million in 2022 and 2021, respectively, of net property, plant and equipment assets and $25.7 million and $14.3 million in 2022 and 2021, respectively, of current assets of consolidated VIEs that may be used only to settle obligations of the consolidated VIEs. Refer to Note 4, "Variable Interest Entities," for additional information.