Leases - Summary of Supplemental Balance Sheet Information Related to Operating Leases (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Leases [Abstract]
Other assets	$ 52	$ 40
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Other assets (Note 12)	Other assets (Note 12)
Accrued liabilities	$ 11	$ 9
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Accrued liabilities (Note 15)	Accrued liabilities (Note 15)
Other liabilities	$ 42	$ 33
Operating Lease Liability Noncurrent Statement Of Financial Position [Extensible List]	Other liabilities (Note 20)	Other liabilities (Note 20)
Weighted-average lease term (in years)	6 years 10 months 20 days	8 years 29 days
Weighted-average discount rate	6.71%	5.69%