Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Operating Leases:
Operating lease right-of-use assets	$ 442	$ 119
Operating lease liabilities	$ 456	$ 122
Weighted average remaining lease term	11 years 10 months 24 days	6 years
Weighted average discount rate %	4.53%	3.85%