Consolidated Statements of Financial Condition (Unaudited) - USD ($) $ in Millions	Jun. 29, 2018	Dec. 31, 2017
ASSETS:
Cash and cash equivalents	$ 1,015	$ 846
Cash and investments segregated under federal regulations	7,892	10,099
Securities purchased under agreements to resell	837	1,164
Receivable from:
Clients	3,417	3,300
Mutual funds, insurance companies and other	550	540
Brokers, dealers and clearing organizations	275	247
Securities owned, at fair value:
Investment securities	262	258
Inventory securities	65	50
Equipment, property and improvements, at cost, net of accumulated depreciation and amortization	551	544
Other assets	107	128
TOTAL ASSETS	14,971	17,176
Payable to:
Clients	10,785	12,810
Brokers, dealers and clearing organizations	99	67
Accrued compensation and employee benefits	1,202	1,339
Accounts payable, accrued expenses and other	203	165
Total liabilities before partnership capital	12,289	14,381
Contingencies (Note 7)
Partnership capital subject to mandatory redemption, net of reserve for anticipated withdrawals and partnership loans	2,554	2,505
Reserve for anticipated withdrawals	128	290
Total partnership capital subject to mandatory redemption	2,682	2,795
TOTAL LIABILITIES	14,971	17,176
Limited Partnership Capital [Member]
Payable to:
Partnership capital subject to mandatory redemption, net of reserve for anticipated withdrawals and partnership loans	891	890
Subordinated Limited Partnership Capital [Member]
Payable to:
Partnership capital subject to mandatory redemption, net of reserve for anticipated withdrawals and partnership loans	506	463
General Partnership Capital [Member]
Payable to:
Partnership capital subject to mandatory redemption, net of reserve for anticipated withdrawals and partnership loans	$ 1,157	$ 1,152