Consolidated Statements of Changes in Partnership Capital Subject to Mandatory Redemption (Unaudited) - USD ($) $ in Millions	Total	Limited Partnership Capital [Member]	Profits Interests [Member]	Subordinated Limited Partnership Capital [Member]	General Partnership Capital [Member]
Reserve for anticipated withdrawals	$ (464)	$ (100)		$ (53)	$ (311)
TOTAL PARTNERSHIP CAPITAL SUBJECT TO MANDATORY REDEMPTION at Dec. 31, 2022	3,819	1,312		671	1,836
Partnership capital subject to mandatory redemption, net of reserve for anticipated withdrawals at Dec. 31, 2022	3,355	1,212		618	1,525
Partnership loans outstanding at Dec. 31, 2022	335	0		0	335
Total partnership capital, including capital financed with partnership loans, net of reserve for anticipated withdrawals at Dec. 31, 2022	3,690	1,212		618	1,860
Issuance of partnership interests	945	568		65	312
Redemption of partnership interests	(92)	(7)		(14)	(71)
Net income allocated to partners	401	68		45	288
Distributions	(22)	(2)		0	(20)
Total partnership capital, including capital financed with partnership loans at Mar. 31, 2023	4,922	1,839		714	2,369
TOTAL PARTNERSHIP CAPITAL SUBJECT TO MANDATORY REDEMPTION at Dec. 31, 2022	3,819	1,312		671	1,836
Partnership capital subject to mandatory redemption, net of reserve for anticipated withdrawals at Dec. 31, 2022	3,355	1,212		618	1,525
Partnership loans outstanding at Dec. 31, 2022	335	0		0	335
Total partnership capital, including capital financed with partnership loans, net of reserve for anticipated withdrawals at Dec. 31, 2022	3,690	1,212		618	1,860
Other comprehensive loss allocations	0
Total partnership capital, including capital financed with partnership loans at Sep. 29, 2023	4,939	1,948		681	2,310
Partnership loans outstanding at Sep. 29, 2023	(464)	0		0	(464)
Partnership capital subject to mandatory redemption, net of reserve for anticipated withdrawals at Sep. 29, 2023	4,134	1,758		667	1,709
TOTAL PARTNERSHIP CAPITAL SUBJECT TO MANDATORY REDEMPTION at Sep. 29, 2023	4,475	1,948		681	1,846
Issuance of partnership interests	8	0		2	6
Redemption of partnership interests	(24)	(7)		(1)	(16)
Net income allocated to partners	410	69		46	295
Distributions	(442)	(9)		(75)	(358)
Total partnership capital, including capital financed with partnership loans at Jun. 30, 2023	4,874	1,892		686	2,296
Issuance of partnership interests	3	0		3	0
Redemption of partnership interests	(52)	(8)		(6)	(38)
Net income allocated to partners	394	66		44	284
Other comprehensive loss allocations	0
Distributions	(280)	(2)		(46)	(232)
Total partnership capital, including capital financed with partnership loans at Sep. 29, 2023	4,939	1,948		681	2,310
Partnership loans outstanding at Sep. 29, 2023	(464)	0		0	(464)
Partnership capital subject to mandatory redemption, net of reserve for anticipated withdrawals at Sep. 29, 2023	4,134	1,758		667	1,709
TOTAL PARTNERSHIP CAPITAL SUBJECT TO MANDATORY REDEMPTION at Sep. 29, 2023	4,475	1,948		681	1,846
Reserve for anticipated withdrawals	341	190		14	137
Reserve for anticipated withdrawals	(578)	(170)	$ 0	(60)	(348)
TOTAL PARTNERSHIP CAPITAL AND PROFITS INTERESTS SUBJECT TO MANDATORY REDEMPTION at Dec. 31, 2023	4,627
TOTAL PARTNERSHIP CAPITAL SUBJECT TO MANDATORY REDEMPTION at Dec. 31, 2023	4,627	1,920	0	726	1,981
Partnership capital subject to mandatory redemption, net of reserve for anticipated withdrawals at Dec. 31, 2023	4,049	1,750	0	666	1,633
Partnership loans outstanding at Dec. 31, 2023	439	0	0	0	439
Total partnership capital, including capital financed with partnership loans, net of reserve for anticipated withdrawals at Dec. 31, 2023	4,488	1,750	0	666	2,072
Issuance of partnership interests	337	6	0	64	267
Redemption of partnership interests	(64)	(7)	0	(11)	(46)
Net income allocations	467	74	10	52	331
Other comprehensive loss allocations	(3)	(1)	0	0	(2)
Distributions	(21)	4	0	0	(25)
Total partnership capital, including capital financed with partnership loans, and profits interests at Mar. 29, 2024	5,204	1,826	10	771	2,597
TOTAL PARTNERSHIP CAPITAL AND PROFITS INTERESTS SUBJECT TO MANDATORY REDEMPTION at Dec. 31, 2023	4,627
TOTAL PARTNERSHIP CAPITAL SUBJECT TO MANDATORY REDEMPTION at Dec. 31, 2023	4,627	1,920	0	726	1,981
Partnership capital subject to mandatory redemption, net of reserve for anticipated withdrawals at Dec. 31, 2023	4,049	1,750	0	666	1,633
Partnership loans outstanding at Dec. 31, 2023	439	0	0	0	439
Total partnership capital, including capital financed with partnership loans, net of reserve for anticipated withdrawals at Dec. 31, 2023	4,488	1,750	0	666	2,072
Other comprehensive loss allocations	(2)
Total partnership capital, including capital financed with partnership loans, and profits interests at Sep. 27, 2024	5,283	1,951	4	739	2,589
Partnership loans outstanding at Sep. 27, 2024	(514)	0	0	0	(514)
TOTAL PARTNERSHIP CAPITAL AND PROFITS INTERESTS SUBJECT TO MANDATORY REDEMPTION at Sep. 27, 2024	4,769	1,951	4	739	2,075
Reserve for anticipated withdrawals at Sep. 27, 2024	(428)	(214)	(4)	(21)	(189)
Partnership capital subject to mandatory redemption, net of reserve for anticipated withdrawals at Sep. 27, 2024	4,341	1,737	0	718	1,886
Issuance of partnership interests	4	1	0	0	3
Redemption of partnership interests	(16)	(6)	0	0	(10)
Net income allocations	470	73	10	51	336
Distributions	(530)	(19)	(17)	(85)	(409)
Total partnership capital, including capital financed with partnership loans, and profits interests at Jun. 28, 2024	5,132	1,875	3	737	2,517
Issuance of partnership interests	2	0	0	1	1
Redemption of partnership interests	(43)	(7)	0	(2)	(34)
Net income allocations	559	85	12	61	401
Other comprehensive loss allocations	1	0	0	0	1
Distributions	(368)	(2)	(11)	(58)	(297)
Total partnership capital, including capital financed with partnership loans, and profits interests at Sep. 27, 2024	5,283	1,951	4	739	2,589
Partnership loans outstanding at Sep. 27, 2024	(514)	0	0	0	(514)
TOTAL PARTNERSHIP CAPITAL AND PROFITS INTERESTS SUBJECT TO MANDATORY REDEMPTION at Sep. 27, 2024	4,769	1,951	4	739	2,075
Reserve for anticipated withdrawals at Sep. 27, 2024	(428)	(214)	(4)	(21)	(189)
Partnership capital subject to mandatory redemption, net of reserve for anticipated withdrawals at Sep. 27, 2024	4,341	$ 1,737	$ 0	$ 718	$ 1,886
Reserve for anticipated withdrawals	$ (428)