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Equity Method Investment in Change Healthcare LLC (Narrative) (Details) - USD ($)
$ in Thousands
12 Months Ended
Jul. 01, 2019
Mar. 31, 2021
Mar. 31, 2020
Legacy CHC [Member]      
Schedule of Equity Method Investments [Line Items]      
Percentage investment exchanged for membership interest in Joint Venture   45.615%  
Joint Venture [Member]      
Schedule of Equity Method Investments [Line Items]      
Ownership percentage 41.00%    
Ownership percentage acquired in exchange   30.00%  
Shares received from Joint Venture 49,285,713 49,285,713  
Additional ownership percentage acquired   11.00%  
Write-off of basis differences within Loss from Equity Method Investment in the Joint Venture   $ 380,713 $ 70,487
Joint Venture [Member] | Legacy CHC [Member]      
Schedule of Equity Method Investments [Line Items]      
Ownership percentage   54.385%