Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 29, 2019	Mar. 30, 2018
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	241	233
Depreciation and amortization	25	22
Changes in assets and liabilities:
Investments segregated under federal regulations	(491)	402
Securities purchased under agreements to resell	(321)	340
Net payable to clients	(852)	(821)
Net receivable from brokers, dealers and clearing organizations	(34)	45
Receivable from mutual funds, insurance companies and other	(65)	(60)
Securities owned	(34)	(40)
Lease right-of-use asset	10	0
Other assets	26	6
Lease liability	4	0
Accrued compensation and employee benefits	(283)	(263)
Accounts payable, accrued expenses and other	(76)	24
Net cash used in operating activities	(1,850)	(112)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of equipment, property and improvements	(36)	(25)
Cash used in investing activities	(36)	(25)
CASH FLOWS FROM FINANCING ACTIVITIES:
Issuance of partnership interests	430	57
Redemption of partnership interests	(71)	(159)
Distributions from partnership capital	(281)	(218)
Net cash provided by (used in) financing activities	78	(320)
Net decrease in cash, cash equivalents and restricted cash	(1,808)	(457)
CASH, CASH EQUIVALENTS AND RESTRICTED CASH:
Beginning of period	8,737	8,537
End of period	$ 6,929	$ 8,080