v3.26.1
Debt (Interest Expense) (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Interest Expense        
Amortization     $ 20 $ 25
(Gain) loss on adjustment to bifurcated compound exchange feature     19 (65)
Total $ (20) $ 112 256 228
Convertible debt instruments        
Interest Expense        
Contractual interest 3 6 6 11
Amortization 5 5 10 11
(Gain) loss on adjustment to bifurcated compound exchange feature (134) (29) 19 (65)
Total $ (126) $ (18) $ 35 $ (43)