Consolidated Statements of Financial Condition (Unaudited) - USD ($) $ in Millions	Mar. 30, 2018	Dec. 31, 2017
ASSETS:
Cash and cash equivalents	$ 1,017	$ 846
Cash and investments segregated under federal regulations	9,069	10,099
Securities purchased under agreements to resell	824	1,164
Receivable from:
Clients	3,335	3,300
Mutual funds, insurance companies and other	600	540
Brokers, dealers and clearing organizations	256	247
Securities owned, at fair value:
Investment securities	251	258
Inventory securities	97	50
Equipment, property and improvements, at cost, net of accumulated depreciation and amortization	547	544
Other assets	122	128
TOTAL ASSETS	16,118	17,176
Payable to:
Clients	12,024	12,810
Brokers, dealers and clearing organizations	121	67
Accrued compensation and employee benefits	1,076	1,339
Accounts payable, accrued expenses and other	189	165
Total liabilities before partnership capital	13,410	14,381
Contingencies (Note 7)
Partnership capital subject to mandatory redemption, net of reserve for anticipated withdrawals and partnership loans	2,512	2,505
Reserve for anticipated withdrawals	196	290
Total partnership capital subject to mandatory redemption	2,708	2,795
TOTAL LIABILITIES	16,118	17,176
Limited Partnership Capital [Member]
Payable to:
Partnership capital subject to mandatory redemption, net of reserve for anticipated withdrawals and partnership loans	892	890
Subordinated Limited Partnership Capital [Member]
Payable to:
Partnership capital subject to mandatory redemption, net of reserve for anticipated withdrawals and partnership loans	509	463
General Partnership Capital [Member]
Payable to:
Partnership capital subject to mandatory redemption, net of reserve for anticipated withdrawals and partnership loans	$ 1,111	$ 1,152