Annual report [Section 13 and 15(d), not S-K Item 405]

Summary of Significant Accounting Policies - Leases (Details)

v3.25.0.1
Summary of Significant Accounting Policies - Leases (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Summary of Significant Accounting Policies      
2025 $ 52    
2026 16    
2027 16    
2028 14    
Operating Lease, Expense $ 62 $ 78 $ 13
Weighted-average remaining lease term - operating leases (years) 8 years    
Weighted-average discount rate - operating leases 4.80%    
Operating lease right-of-use assets $ 45 $ 36  
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Other Assets, Noncurrent Other Assets, Noncurrent  
Operating lease liability $ 44 $ 38  
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Other Liabilities, Noncurrent Other Liabilities, Noncurrent  
Current operating lease liabilities location Other current liabilities Other current liabilities  
2025 $ 15    
2026 6    
2027 6    
2028 5    
2029 5    
Thereafter $ 14