v3.26.1
Stock-Based Compensation and Stockholders' Equity - 2015 Equity Incentive Plan (Narrative) (Details)
$ in Millions
6 Months Ended
Jun. 30, 2026
USD ($)
shares
Restricted stock units  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Granted (in shares) 3,100,000
Aggregate fair value of grants | $ $ 72
Award vesting period (in years) 3 years
Share conversion (in shares) 1
Vested (in shares) 1,600,000
Performance Shares  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Granted (in shares) 291,000
Aggregate fair value of grants | $ $ 9
Award vesting period (in years) 3 years
Vested (in shares) 118,000
Performance Shares | Minimum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Percentage of target payout range 0.00%
Performance Shares | Maximum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Percentage of target payout range 200.00%
Market-based stock units  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Granted (in shares) 436,000
Aggregate fair value of grants | $ $ 14
Award vesting period (in years) 3 years
Vested (in shares) 5,000
Market-based stock units | Minimum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Percentage of target payout range 0.00%
Market-based stock units | Maximum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Percentage of target payout range 200.00%