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Acquisitions and Dispositions (Acquisition Narrative) (Details) - Miramax [Member]
$ in Millions
Apr. 03, 2020
USD ($)
title
Business Acquisition [Line Items]  
Percentage of interest acquired 49.00%
Consideration transferred $ 375
Upfront cash payment 150
Commitment to invest, annual amount 45
Commitment to invest over next five years $ 225
Titles added to existing library | title 700
Trade Name [Member]  
Business Acquisition [Line Items]  
Weighted average useful life 10 years