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v3.20.4

Income Taxes - Components of Deferred Income Tax Assets and Liabilities (Details) - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Deferred tax assets: |  |  |
Net operating loss |  | $ 1,573.5 | $ 1,235.6
Other |  | 0.0 | 2.3
Deferred tax assets before valuation allowance |  | 1,573.5 | 1,237.9
Valuation allowance |  | (196.5) | (2.3)
Deferred tax assets |  | 1,377.0 | 1,235.6
Deferred tax liabilities: |  |  |
Investments | [1] | (1,519.4) | (1,647.7)
Property, plant, and equipment |  | (4.0) | (15.6)
Other |  | (5.7) | (6.5)
Deferred tax liabilities |  | (1,529.1) | (1,669.8)
Net deferred tax asset (liability) |  | (152.1) | (434.2)
Net deferred tax asset (liability) |  |  |
Federal |  | (148.3) | (363.5)
Foreign |  | 0.6 | 0.6
State |  | (4.4) | (71.3)
Net deferred tax asset (liability) |  | $ (152.1) | $ (434.2)
[1] | Our deferred tax liability attributable to investments reflects the differences between the book and tax carrying values of our investment in the Partnership.

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