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STOCK-BASED COMPENSATION - Stock-Based Compensation Expense Narrative (Details) - USD ($)
shares in Millions, $ in Millions
12 Months Ended
May 23, 2022
Mar. 31, 2023
Mar. 31, 2022
Mar. 31, 2021
Stock-based compensation        
Reversal of forfeiture awards   $ 49.5 $ 0.7 $ 69.8
Reversal of capitalized costs   11.9 3.2 10.8
Zynga Inc        
Stock-based compensation        
Replacement equity awards $ 151.7      
Acceleration of awards, cost   28.6    
Performance and market-based restricted stock awards        
Stock-based compensation        
Fair values of restricted stock units vested   321.8 $ 208.6 $ 205.9
Restricted Stock Units And Performance Share Units | Zynga Inc        
Stock-based compensation        
Future unrecognized compensation cost, net of estimated forfeitures   $ 236.7    
Number of awards issued (in shares) 4.2      
Unrecognized share-based compensation cost, period of recognition   1 year 4 months 24 days    
Stock Options | Zynga Inc        
Stock-based compensation        
Future unrecognized compensation cost, net of estimated forfeitures   $ 0.9    
Number of awards issued (in shares) 1.5      
Unrecognized share-based compensation cost, period of recognition   8 months 12 days    
Restricted Stock        
Stock-based compensation        
Future unrecognized compensation cost, net of estimated forfeitures   $ 833.2    
Weighted average remaining contractual terms   2 years 9 months 18 days