Consolidated Statements of Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 28, 2018	Sep. 29, 2017	Sep. 28, 2018	Sep. 29, 2017
Revenue:
Interest and dividends	$ 92	$ 69	$ 257	$ 192
Other revenue	11	14	34	46
Total revenue	2,221	1,877	6,408	5,595
Interest expense	30	25	92	64
Net revenue	2,191	1,852	6,316	5,531
Operating expenses:
Compensation and benefits	1,536	1,312	4,470	3,918
Occupancy and equipment	114	105	333	310
Communications and data processing	85	80	250	242
Fund sub-adviser fees	35	26	96	70
Advertising	19	17	66	61
Professional and consulting fees	21	17	57	52
Postage and shipping	14	16	43	49
Other operating expenses	94	68	255	196
Total operating expenses	1,918	1,641	5,570	4,898
Income before allocations to partners	273	211	746	633
Allocations to partners:
Limited partners	31	26	86	79
Subordinated limited partners	35	27	96	80
General partners	207	158	564	474
Net Income	$ 0	$ 0	$ 0	$ 0
Income allocated to limited partners per weighted average $1,000 equivalent limited partnership unit outstanding	$ 35.42	$ 29.33	$ 96.60	$ 87.93
Weighted average $1,000 equivalent limited partnership units outstanding	888,481	894,852	890,911	898,374
Asset-based Fee Revenue [Member]
Revenue:
Revenue	$ 1,581	$ 1,316	$ 4,535	$ 3,648
Account and Activity Fee Revenue [Member]
Revenue:
Revenue	169	164	510	509
Total Fee Revenue [Member]
Revenue:
Revenue	1,750	1,480	5,045	4,157
Trade Revenue [Member]
Revenue:
Revenue	$ 368	$ 314	$ 1,072	$ 1,200