Cash Flow Information - Schedule of Supplemental Cash Flow Information (Detail) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Supplemental Cash Flow Elements [Abstract]
Cash paid for interest		$ 141	$ 94	$ 103
Cash paid for taxes		17	13	11
Non-cash activities:
Issuance of general partnership interests through partnership loans in current year		276	222	163
Repayment of partnership loans through distributions from partnership capital in current year		191	225	182
Declared distributions for retired partnership capital in current year but unpaid at year end	[1]	$ 219	$ 254	$ 145

[1] Declared distributions for retired Partnership capital are included in the accounts payable, accrued expenses and other line of the Consolidated Statements of Financial Condition.