Consolidated Statements of Financial Condition (Unaudited) - USD ($) $ in Millions	Mar. 31, 2017	Dec. 31, 2016
ASSETS:
Cash and cash equivalents	$ 1,026	$ 1,047
Cash and investments segregated under federal regulations	12,516	12,680
Securities purchased under agreements to resell	769	892
Receivable from:
Clients	3,109	3,129
Mutual funds, insurance companies and other	602	513
Brokers, dealers and clearing organizations	265	219
Securities owned, at fair value:
Investment securities	220	224
Inventory securities	84	43
Equipment, property and improvements, at cost, net of accumulated depreciation and amortization	552	549
Other assets	134	128
TOTAL ASSETS	19,277	19,424
Payable to:
Clients	15,383	15,414
Brokers, dealers and clearing organizations	195	99
Accrued compensation and employee benefits	939	1,116
Accounts payable, accrued expenses and other	175	161
Total liabilities before partnership capital	16,692	16,790
Contingencies (Note 5)
Partnership capital subject to mandatory redemption, net of reserve for anticipated withdrawals and partnership loans	2,419	2,417
Reserve for anticipated withdrawals	166	217
Total partnership capital subject to mandatory redemption	2,585	2,634
TOTAL LIABILITIES	19,277	19,424
Limited Partnership Capital [Member]
Payable to:
Partnership capital subject to mandatory redemption, net of reserve for anticipated withdrawals and partnership loans	901	902
Subordinated Limited Partnership Capital [Member]
Payable to:
Partnership capital subject to mandatory redemption, net of reserve for anticipated withdrawals and partnership loans	462	421
General Partnership Capital [Member]
Payable to:
Partnership capital subject to mandatory redemption, net of reserve for anticipated withdrawals and partnership loans	$ 1,056	$ 1,094