Consolidated Statements of Financial Condition (Unaudited) - USD ($) $ in Millions	Mar. 26, 2021	Dec. 31, 2020
ASSETS:
Cash and cash equivalents	$ 1,418	$ 1,125
Cash and investments segregated under federal regulations	18,062	17,918
Securities purchased under agreements to resell	1,759	1,714
Receivables from:
Clients	3,577	3,504
Mutual funds, insurance companies and other	877	818
Brokers, dealers and clearing organizations	258	223
Securities owned, at fair value:
Investment securities	448	1,302
Inventory securities	27	32
Lease right-of-use assets	916	915
Equipment, property and improvements, at cost, net of accumulated depreciation and amortization	620	620
Other assets	167	149
TOTAL ASSETS	28,129	28,320
Payables to:
Clients	21,415	21,241
Brokers, dealers and clearing organizations	99	96
Accrued compensation and employee benefits	1,877	2,104
Lease liabilities	939	938
Accounts payable, accrued expenses and other	241	352
Total liabilities before partnership capital	24,571	24,731
Contingencies (Note 7)
Partnership capital subject to mandatory redemption, net of reserve for anticipated withdrawals and partnership loans	3,221	3,075
Reserve for anticipated withdrawals	337	514
Total partnership capital subject to mandatory redemption	3,558	3,589
TOTAL LIABILITIES	28,129	28,320
Limited Partnership Capital [Member]
Payables to:
Partnership capital subject to mandatory redemption, net of reserve for anticipated withdrawals and partnership loans	1,235	1,237
Subordinated Limited Partnership Capital [Member]
Payables to:
Partnership capital subject to mandatory redemption, net of reserve for anticipated withdrawals and partnership loans	583	538
General Partnership Capital [Member]
Payables to:
Partnership capital subject to mandatory redemption, net of reserve for anticipated withdrawals and partnership loans	$ 1,403	$ 1,300