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Fair Value Measurements (Assets and Liabilities Reconciliation) (Schedule and Footnote) (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2019 USD ($)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
Balance of net assets (liabilities) at January 1, 2019 | $ 1,149.7
Gains included in net earnings (loss) |
Realized and unrealized (gains) losses, net | (4.7)
Partial settlement of Lionsgate Forward | (18.1)
Additions | 19.6
Derivative instruments settled in connection with the sale of the Vodafone Disposal Group | (72.0)
Transfers out of Level 3 | 8.4
Foreign currency translation adjustments and other, net | (2.9)
Balance of net assets (liabilities) at December 31, 2019 | 1,063.5
Investments |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
Balance of net assets (liabilities) at January 1, 2019 | 418.9
Gains included in net earnings (loss) |
Realized and unrealized (gains) losses, net | (16.5)
Partial settlement of Lionsgate Forward | 0.0
Additions | 19.6
Derivative instruments settled in connection with the sale of the Vodafone Disposal Group | 0.0
Transfers out of Level 3 | 0.0
Foreign currency translation adjustments and other, net | (2.0)
Balance of net assets (liabilities) at December 31, 2019 | 420.0
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 (liabilities) at January 1, 2019 | (14.1)
Gains included in net earnings (loss) |
Realized and unrealized (gains) losses, net | 58.7
Partial settlement of Lionsgate Forward | 0.0
Additions | 0.0
Derivative instruments settled in connection with the sale of the Vodafone Disposal Group | (72.0)
Transfers out of Level 3 | 8.4
Foreign currency translation adjustments and other, net | (0.9)
Balance of net assets (liabilities) at December 31, 2019 | (19.9)
Equity-related derivative instruments |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
Balance of net assets (liabilities) at January 1, 2019 | 744.9
Gains included in net earnings (loss) |
Realized and unrealized (gains) losses, net | (63.4)
Partial settlement of Lionsgate Forward | (18.1)
Additions | 0.0
Derivative instruments settled in connection with the sale of the Vodafone Disposal Group | 0.0
Transfers out of Level 3 | 0.0
Foreign currency translation adjustments and other, net | 0.0
Balance of net assets (liabilities) at December 31, 2019 | 663.4
Vodafone Disposal Group | Equity-related derivative instruments |
Gains included in net earnings (loss) |
Realized and unrealized (gains) losses, net | $ 72.0

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