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v3.20.4

Variable Interest Entities (Schedule of VIE Assets and Liabilities) (Details) - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | --- | ---
VIE Assets and Liabilities [Abstract] |  |  |  |
Net Property, Plant and Equipment |  | $ 16,619.5 | $ 16,912.2 |
Current assets | [1] | 1,659.4 | 1,853.9 |
Total Assets |  | 22,040.5 | 22,659.8 | $ 21,804.0
Current liabilities |  | 2,279.4 | 3,745.8 |
Asset retirement obligations |  | 477.1 | 416.9 |
Other noncurrent liabilities |  | 286.1 | $ 228.2 |
Rosewater |  |  |  |
VIE Assets and Liabilities [Abstract] |  |  |  |
Net Property, Plant and Equipment |  | 175.6 |  |
Current assets |  | 1.7 |  |
Total Assets |  | 177.3 |  |
Current liabilities |  | 15.3 |  |
Asset retirement obligations |  | 5.5 |  |
Other noncurrent liabilities |  | 0.1 |  |
Total liabilities |  | $ 20.9 |  |
[1] | (1)Includes $175.6 million of net property, plant and equipment assets and $1.7 million of current assets of a consolidated VIE that may be used only to settle obligations of the consolidated VIE. Refer to Note 4 "Variable Interest Entity" for additional information.

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