SECURITIES BORROWING AND LENDING - Schedule of Assets and Liabilities Subject to Master Netting Arrangements (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Assets
Gross amount of securities borrowed	$ 1,204	$ 517
Gross amount offset on the consolidated balance sheets	0	0
Amounts of assets presented on the consolidated balance sheets	1,204	517
Securities borrowed	1,204	517
Security collateral received	(1,187)	(509)
Net amount	17	8
Liabilities
Gross amount of securities loaned	3,245	1,834
Gross amount of securities loaned offset on the consolidated balance sheets	0	0
Amounts of liabilities presented on the consolidated balance sheets	3,245	1,834
Securities loaned	3,245	1,834
Security collateral pledged	(2,978)	(1,629)
Net amount	$ 267	$ 205