Leases - Summary of Supplemental Balance Sheet Information Related to Leases (Details) - USD ($) $ in Millions		Dec. 31, 2022	Dec. 31, 2021
Leases [Abstract]
Operating lease right-of-use assets	[1]	$ 119	$ 249
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]		Other Assets	Other Assets
Operating lease liabilities	[2]	$ 122	$ 249
Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration]		Other Liabilities	Other Liabilities
Weighted average remaining lease term		6 years	16 years
Weighted average discount rate%		3.85%	3.05%

[1] Included in Other assets in the Consolidated Statements of Condition.

[2] Included in Other liabilities in the Consolidated Statements of Condition.