v3.25.4
Convertible Senior Notes (Tables)
 12 Months Ended
Dec. 31, 2025
Debt Disclosure [Abstract]  
Schedule of Convertible Debt
The following table sets forth the interest expense recognized related to the Notes:
Years ended
December 31, 2025December 31, 2024December 31, 2023
(in US $ millions)
Contractual interest expense1 1 1 
Amortization of offering costs2 2 3 
Total interest expense related to the Notes3 3 4