v3.24.2
Equity Awards - Narrative (Detail)
$ in Millions
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2024
USD ($)
shares
Jun. 30, 2024
USD ($)
plan
shares
Jun. 30, 2023
USD ($)
Dec. 31, 2021
USD ($)
tranche
Dec. 31, 2023
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of equity incentive plans | plan   3      
Increased in authorized shares (in shares) | shares   10,000,000      
Fair value of stock options vested   $ 40      
Granted (in shares) | shares   0      
Total unrecognized compensation cost, adjusted for estimated forfeitures, related to unvested stock options $ 15 $ 15      
Common stock options          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Remaining weighted-average period (in years)   1 year      
Restricted stock units with service condition only          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of shares outstanding (in shares) | shares 6,500,000 6,500,000      
Restricted stock units with service and performance conditions          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of shares outstanding (in shares) | shares 500,000 500,000      
RSUs          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Remaining weighted-average period (in years)   3 years      
Number of shares outstanding (in shares) | shares 7,024,000 7,024,000     6,262,000
Aggregate intrinsic value, vested   $ 1,200      
Aggregate intrinsic value, outstanding $ 5,500 5,500      
Aggregated intrinsic value, expected to vest 4,900 4,900      
Unrecognized compensation expense expected to be recognized $ 3,300 $ 3,300      
Performance-based RSUs          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of shares eligible to vest (percent)   100.00%      
Stock-based compensation expense, net of actual and estimated forfeitures   $ 79 $ 70    
Performance-based RSUs | Minimum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of shares eligible to vest (percent)   0.00%      
Performance-based RSUs | Minimum | Vesting, tranche one          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting term   1 year      
Performance-based RSUs | Maximum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of shares eligible to vest (percent)   200.00%      
Performance-based RSUs | Maximum | Vesting, tranche one          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting term   3 years      
2012 Employee Stock Purchase Plan          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Common stock purchase price percentage   85.00%      
Award offering period   6 months      
2021 Performance Awards          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Service period (in years)   2 years      
2021 Performance Awards | Employee Stock | Chief Executive Officer          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shares granted, value, share-based payment arrangement, before forfeiture       $ 232  
Number of vesting tranches | tranche       8  
Options granted, exercisable period   10 years      
2021 Performance Awards | Employee Stock | Minimum | Chief Executive Officer          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Description of service or performance condition required to be met for earning right to award under share-based payment arrangement. Includes, but is not limited to, combination of market, performance or service condition       2 years  
2021 Performance Awards | Common stock options | Vesting, tranche one | Chief Executive Officer          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Award vesting percentage 12.50%        
2021 Performance Awards | Common stock options | Tranche two | Chief Executive Officer          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Award vesting percentage 12.50%        
2021 Performance Awards | Common stock options | Tranche three | Chief Executive Officer          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Award vesting percentage 12.50%        
2021 Performance Awards | Common stock options | Tranche five | Chief Executive Officer          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Award vesting percentage 12.50%        
2021 Performance Awards | Common stock options | Tranche six | Chief Executive Officer          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Award vesting percentage 12.50%        
2021 Performance Awards | Common stock options | Tranche seven | Chief Executive Officer          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Award vesting percentage 12.50%        
2021 Performance Awards | Common stock options | Tranche eight | Chief Executive Officer          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Award vesting percentage 12.50%