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Stock Incentive Plans - Additional Information (Detail)
$ in Millions
6 Months Ended
Jun. 30, 2022
USD ($)
shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]  
Share based compensation by share based arrangement options vested during the period aggregate fair value | $ $ 8.1
Share based compensation by share based arrangement unrecognised compensation for options unvested | $ $ 93.5
Ccc2021 Employee Stock Purchase Plan [Member]  
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]  
Common stock reserved for issuance 6,031,714
Number of shares sold under plan 0
Ccc2021 Employee Stock Purchase Plan [Member] | Minimum [Member]  
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]  
Aggregate number of shares reserved for sale under plan increases on beginning of period percentage of total number of shares outstanding or lessor amount 1.00%
Restricted Stock Units (RSUs) [Member]  
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]  
Granted 15,561,624
Restricted Stock Units (RSUs) [Member] | Time Based Vesting Requirements [Member]  
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]  
Granted 14,191,160
Restricted Stock Units (RSUs) [Member] | Performance And Market Based Vesting Conditions [Member]  
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]  
Granted 685,207
Restricted Stock Units (RSUs) [Member] | Performance Based Vesting Requirements [Member]  
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]  
Granted 685,257
Common Class B [Member] | Performance And Market Based Vesting Conditions [Member]  
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]  
Share based compensation by share based arrangement unrecognised compensation for options unvested remaining period for recognition 3 years 3 months 18 days
Common Class B [Member] | Time Based Vesting [Member]  
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]  
Share based compensation by share based arrangement unrecognised compensation for options unvested | $ $ 203.7