Consolidated Statements of Financial Condition (Unaudited) - USD ($) $ in Millions	Jun. 25, 2021	Dec. 31, 2020
ASSETS:
Cash and cash equivalents	$ 1,316	$ 1,125
Cash and investments segregated under federal regulations	17,791	17,918
Securities purchased under agreements to resell	1,085	1,714
Receivables from:
Clients	3,850	3,504
Mutual funds, insurance companies and other	851	818
Brokers, dealers and clearing organizations	253	223
Securities owned, at fair value:
Investment securities	767	1,302
Inventory securities	30	32
Lease right-of-use assets	921	915
Equipment, property and improvements, at cost, net of accumulated depreciation and amortization	638	620
Other assets	146	149
TOTAL ASSETS	27,648	28,320
Payables to:
Clients	21,005	21,241
Brokers, dealers and clearing organizations	73	96
Accrued compensation and employee benefits	1,826	2,104
Lease liabilities	943	938
Accounts payable, accrued expenses and other	248	352
Total liabilities before partnership capital	24,095	24,731
Contingencies (Note 7)
Partnership capital subject to mandatory redemption, net of reserve for anticipated withdrawals and partnership loans	3,307	3,075
Reserve for anticipated withdrawals	246	514
Total partnership capital subject to mandatory redemption	3,553	3,589
TOTAL LIABILITIES	27,648	28,320
Limited Partnership Capital [Member]
Payables to:
Partnership capital subject to mandatory redemption, net of reserve for anticipated withdrawals and partnership loans	1,232	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	$ 1,492	$ 1,300