Quarterly report pursuant to Section 13 or 15(d)

Benefit Plans - Schedule of Stock Options Activity Under Share-Based Payment Plans (Details)

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Benefit Plans - Schedule of Stock Options Activity Under Share-Based Payment Plans (Details) - Employees and Non Employee Stock Option
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended
Mar. 31, 2024
USD ($)
$ / shares
shares
Options  
Outstanding as of beginning of period (in shares) | shares 122
Granted (in shares) | shares 17
Exercised (in shares) | shares (1)
Forfeited, cancelled or expired (in shares) | shares (1)
Outstanding as of end of period (in shares) | shares 137
Exercisable (in shares) | shares 95
Weighted-Average Exercise Price Per Share  
Outstanding as of beginning of period (in USD per share) | $ / shares $ 5.60
Granted (in USD per share) | $ / shares 5.13
Exercised (in USD per share) | $ / shares 3.81
Forfeited, cancelled or expired (in USD per share) | $ / shares 5.82
Outstanding as of end of period (in USD per share) | $ / shares 5.55
Exercisable (in USD per share) | $ / shares $ 5.56
Weighted-Average Remaining Contractual Term (Years)  
Outstanding 5 years 1 month 28 days
Exercisable 4 years 2 months 8 days
Aggregate Intrinsic Value  
Outstanding | $ $ 5
Exercisable | $ $ 5