Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 0	$ 0	$ 0
Adjustments to reconcile net income to net cash provided by operating activities:
Income before allocations to partners	1,605	1,285	1,092
Depreciation and amortization	461	443	432
Changes in assets and liabilities:
Investments segregated under federal regulations	(2,140)	(8,774)	(2,392)
Securities purchased under agreements to resell	185	(21)	(782)
Net payable to clients	1,839	8,174	1,805
Net receivable from brokers, dealers and clearing organizations	26	11	33
Receivable from mutual funds, insurance companies and other	(32)	(157)	(106)
Securities owned	444	(952)	(89)
Other assets	(195)	(67)	(140)
Lease liabilities	(322)	(306)	(283)
Accrued compensation and employee benefits	297	357	282
Accounts payable, accrued expenses and other	227	32	161
Net cash provided by operating activities	2,395	25	13
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of fixed assets	(234)	(129)	(176)
Cash used in investing activities	(234)	(129)	(176)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayment of general partnership loans	17	0	0
Issuance of partnership interests	66	50	432
Redemption of partnership interests	(260)	(214)	(216)
Distributions from partnership capital	(1,153)	(864)	(783)
Net cash used in financing activities	(1,330)	(1,028)	(567)
Net increase (decrease) in cash, cash equivalents and restricted cash	831	(1,132)	(730)
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH:
Beginning of year	6,875	8,007	8,737
End of year	$ 7,706	$ 6,875	$ 8,007