Consolidated Statements of Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 27, 2025	Jun. 28, 2024	Jun. 27, 2025	Jun. 28, 2024
Revenue:
Revenue	$ 3,981	$ 3,631	$ 7,904	$ 7,155
Interest and dividends	265	302	535	610
Other revenue, net	38	36	63	66
Total revenue	4,284	3,969	8,502	7,831
Interest expense	49	66	100	134
Net revenue	4,235	3,903	8,402	7,697
Operating expenses:
Compensation and benefits	3,007	2,707	5,897	5,338
Communications and data processing	277	252	544	496
Occupancy and equipment	164	158	327	316
Fund sub-adviser fees	89	78	173	152
Professional and consulting fees	62	47	123	90
Advertising	37	38	76	80
Other operating expenses	128	153	278	288
Total operating expenses	3,764	3,433	7,418	6,760
Income before allocations	471	470	984	937
Allocations to partners:
Limited partners	71	73	142	147
Profits interests	16	10	33	20
Subordinated limited partners	49	51	105	103
General partners	335	336	704	667
Net Income (Loss) Attributable to Parent, Total	$ 0	$ 0	$ 0	$ 0
Income allocated to limited partners per weighted average $1,000 equivalent limited partnership unit outstanding	$ 36.71	$ 38.95	$ 75.6	$ 77.41
Weighted average $1,000 equivalent limited partnership units outstanding	1,730,731	1,744,872	1,733,793	1,748,252
Total Fee Revenue [Member]
Revenue:
Revenue	$ 3,532	$ 3,198	$ 7,012	$ 6,298
Asset-based Fee Revenue [Member]
Revenue:
Revenue	3,346	3,011	6,640	5,919
Account and Activity Fee Revenue [Member]
Revenue:
Revenue	186	187	372	379
Trade Revenue [Member]
Revenue:
Revenue	$ 449	$ 433	$ 892	$ 857