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Business Combinations - Fiscal 2021 Avira acquisition (Details) - USD ($)
$ in Millions
9 Months Ended
Jan. 08, 2021
Dec. 31, 2021
Jan. 01, 2021
Business Acquisition [Line Items]      
Cash payments, net of cash acquired   $ 39 $ 0
Purchase price allocation measurement period 1 year    
Avira      
Business Acquisition [Line Items]      
Cash payments, net of cash acquired $ 344    
Cash acquired $ 32