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Subsequent Events (Details) - Subsequent Event - USD ($)
1 Months Ended 3 Months Ended
Nov. 30, 2020
Jul. 31, 2021
Dec. 04, 2020
Slack | 364-day senior unsecured bridge loan facility | Bridge loan      
Subsequent Event [Line Items]      
Unsecured bridge loan     $ 10,000,000,000
Slack | Expected      
Subsequent Event [Line Items]      
Cash paid per share (in dollars per share)   $ 26.79  
Entity shares (in shares)   0.0776  
Total estimated consideration   $ 27,700,000,000  
Acumen      
Subsequent Event [Line Items]      
Total estimated consideration $ 570,000,000