Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 29, 2018	Jun. 30, 2017
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 0	$ 0
Adjustments to reconcile net income to net cash provided by operating activities:
Income before allocations to partners	473	422
Depreciation and amortization	45	41
Changes in assets and liabilities:
Investments segregated under federal regulations	705	954
Securities purchased under agreements to resell	327	492
Net payable to clients	(2,142)	(2,528)
Net receivable from brokers, dealers and clearing organizations	4	13
Receivable from mutual funds, insurance companies and other	(10)	(41)
Securities owned	(19)	(39)
Other assets	21	5
Accrued compensation and employee benefits	(137)	(62)
Accounts payable, accrued expenses and other	38	19
Net cash used in operating activities	(695)	(724)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of equipment, property and improvements, net	(52)	(40)
Net cash used in investing activities	(52)	(40)
CASH FLOWS FROM FINANCING ACTIVITIES:
Issuance of partnership interests	60	66
Redemption of partnership interests	(173)	(170)
Distributions from partnership capital	(473)	(380)
Net cash used in financing activities	(586)	(484)
Net decrease in cash, cash equivalents and restricted cash	(1,333)	(1,248)
CASH, CASH EQUIVALENTS AND RESTRICTED CASH:
Beginning of period	8,537	9,572
End of period	$ 7,204	$ 8,324