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SUBSEQUENT EVENT (Details) - Q2 Solutions - USD ($)
$ in Millions
3 Months Ended
Jun. 30, 2021
Apr. 01, 2021
Scenario, Forecast    
Subsequent Event [Line Items]    
Gain on sale of investment, before tax $ 310  
Subsequent Event    
Subsequent Event [Line Items]    
Percent of ownership interest sold   40.00%
Consideration   $ 760