Derivative Financial Instruments - Balance Sheet Offsetting, Assets (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Derivative Assets
Gross Amounts of Recognized Assets	$ 382	$ 165
Gross Amounts Offset in the Statement of Financial Position, Financial Instruments	(144)	(87)
Gross Amounts Offset in the Statement of Financial Position, Cash Collateral Received	(207)	(50)
Net Amounts of Assets Presented in the Statement of Financial Position	31	28
Net Amount	31	28
Reverse repurchase, securities borrowing, and similar arrangements
Gross Amounts of Recognized Assets	722	607
Gross Amounts Offset in the Statement of Financial Position, Financial Instruments	0	0
Net Amounts of Assets Presented in the Statement of Financial Position	722	607
Gross Amounts Not Offset in the Statement of Financial Position	(722)	(607)
Net Amount	0	0
Total
Gross Amounts of Recognized Assets	1,104	772
Gross Amounts Offset in the Statement of Financial Position, Financial Instruments	(144)	(87)
Net Amounts of Assets Presented in the Statement of Financial Position	753	635
Gross Amounts Not Offset in the Statement of Financial Position	(722)	(607)
Net Amount	$ 31	$ 28
Derivative Asset, Statement of Financial Position [Extensible Enumeration]	Accrued interest receivable and other assets	Accrued interest receivable and other assets