Offsetting Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Offsetting [Abstract]
Derivative assets, gross amounts of recognized assets/liabilities	$ 33	$ 23
Gross amounts offset on the Consolidated Balance Sheet	0	0
Total assets, net amount	33	23
Financial instruments	0	(1)
Gross amounts not offset on the Consolidated Balance Sheet	(31)	(22)
Total assets	2	0
Derivative liabilities, gross amounts of recognized assets/liabilities	17	42
Gross amounts offset on the Consolidated Balance Sheet	0	0
Net amounts of assets/liabilities presented on the Consolidated Balance Sheet	17	42
Derivative liabilities, gross amounts not offset on the condensed consolidated balance sheet, financial instruments	0	(1)
Derivative liabilities in net liability positions	(6)	(1)
Net amount	11	40
Securities sold under agreements to repurchase	747	499
Derivative liabilities - gross amounts offset on the consolidated balance sheet	0	0
Securities sold under agreements to repurchase	747	499
Security sold under agreement to repurchase, gross amounts not offset on the condensed consolidated balance sheet, financial instruments	0	0
Security sold under agreement to repurchase, subject to master netting arrangement, collateral, right to reclaim cash not offset	(747)	(499)
Securities sold under agreements to repurchase, offset against collateral, net of not subject to master netting arrangement, policy election	0	0
Gross amounts of recognized assets/liabilities	764	541
Gross amounts offset on the Consolidated Balance Sheet	0	0
Fair value of derivative contracts in payable position	764	541
Financial instruments	0	(1)
Securities sold under agreements to repurchase, securities loaned, collateral, right to reclaim cash	(753)	(500)
Security sold under agreement to repurchase, and security loaned, including not subject to master netting arrangement, after offset and deduction	11	40
Derivative assets with no offsetting arrangements	2
Derivative liabilities with no offsetting arrangements	$ 10	$ 39
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Accrued expenses and other liabilities