Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	9 Months Ended
	Sep. 27, 2019	Sep. 28, 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	807	746
Depreciation and amortization	84	69
Changes in assets and liabilities:
Investments segregated under federal regulations	(1,495)	709
Securities purchased under agreements to resell	(646)	(77)
Net payable to clients	(12)	(2,514)
Net receivable from brokers, dealers and clearing organizations	76	9
Receivable from mutual funds, insurance companies and other	(44)	2
Securities owned	(103)	(45)
Lease right-of-use asset	(53)	0
Other assets	6	9
Lease liability	66	0
Accrued compensation and employee benefits	116	116
Accounts payable, accrued expenses and other	(41)	60
Net cash used in operating activities	(1,239)	(916)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of equipment, property and improvements	(128)	(74)
Cash used in investing activities	(128)	(74)
CASH FLOWS FROM FINANCING ACTIVITIES:
Issuance of partnership interests	432	60
Redemption of partnership interests	(113)	(181)
Distributions from partnership capital	(731)	(657)
Net cash used in financing activities	(412)	(778)
Net decrease in cash, cash equivalents and restricted cash	(1,779)	(1,768)
CASH, CASH EQUIVALENTS AND RESTRICTED CASH:
Beginning of period	8,737	8,537
End of period	$ 6,958	$ 6,769