Schedule I - Condensed Statements of Financial Condition (Detail) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
ASSETS:
Cash and cash equivalents	$ 1,645	$ 1,882	$ 1,835
Investment securities	1,069	1,329
Other assets	1,133	932
TOTAL ASSETS	28,003	29,892	32,208
LIABILITIES:
Accounts payable, accrued expenses and other	1,427	1,199
Total partnership capital subject to mandatory redemption	4,627	3,819	$ 3,755	$ 3,589
TOTAL LIABILITIES	28,003	29,892
Parent Company [Member]
ASSETS:
Cash and cash equivalents	157	216
Investment securities	119	16
Investment in subsidiaries	4,421	3,737
Other assets	81	68
TOTAL ASSETS	4,778	4,037
LIABILITIES:
Accounts payable, accrued expenses and other	151	218
Total partnership capital subject to mandatory redemption	4,627	3,819
TOTAL LIABILITIES	$ 4,778	$ 4,037