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Fair Value Measurements (Assets and Liabilities Reconciliation) (Schedule and Footnote) (Details) $ in Millions | 3 Months Ended
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Mar. 31, 2021 USD ($)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
Balance of net assets at January 1, 2021 | $ 800.5
Gains included in net earnings (loss) |
Realized and unrealized gains on derivative instruments, net | 203.9
Realized and unrealized gains due to changes in fair values of certain investments and debt, net | 100.9
Additions | 4.3
Reclassification of liability to held for sale | (179.4)
Foreign currency translation adjustments and other, net | (6.2)
Balance of net assets at March 31, 2021 | 759.1
Investments |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
Balance of net assets at January 1, 2021 | 519.6
Gains included in net earnings (loss) |
Realized and unrealized gains on derivative instruments, net | 0.0
Realized and unrealized gains due to changes in fair values of certain investments and debt, net | 100.9
Additions | 4.3
Reclassification of liability to held for sale | 0.0
Foreign currency translation adjustments and other, net | (6.1)
Balance of net assets at March 31, 2021 | 618.7
Cross-currency, interest rate and foreign currency derivative contracts |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
Balance of net assets at January 1, 2021 | 0.0
Gains included in net earnings (loss) |
Realized and unrealized gains on derivative instruments, net | 179.4
Realized and unrealized gains due to changes in fair values of certain investments and debt, net | 0.0
Additions | 0.0
Reclassification of liability to held for sale | (179.4)
Foreign currency translation adjustments and other, net | 0.0
Balance of net assets at March 31, 2021 | 0.0
Equity-related derivative instruments |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
Balance of net assets at January 1, 2021 | 280.9
Gains included in net earnings (loss) |
Realized and unrealized gains on derivative instruments, net | 24.5
Realized and unrealized gains due to changes in fair values of certain investments and debt, net | 0.0
Additions | 0.0
Reclassification of liability to held for sale | 0.0
Foreign currency translation adjustments and other, net | (0.1)
Balance of net assets at March 31, 2021 | 140.4
ITV Collar |
Gains included in net earnings (loss) |
Reclassification of liability to held for sale | (164.9)
ITV Collar | Investments |
Gains included in net earnings (loss) |
Reclassification of liability to held for sale | 0.0
ITV Collar | Cross-currency, interest rate and foreign currency derivative contracts |
Gains included in net earnings (loss) |
Reclassification of liability to held for sale | 0.0
ITV Collar | Equity-related derivative instruments |
Gains included in net earnings (loss) |
Reclassification of liability to held for sale | $ (164.9)

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