Consolidated Statements of Changes in Partnership Capital And Profits Interests 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 at Dec. 31, 2023	$ (578)	$ (170)	$ 0	$ (60)	$ (348)
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
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
Partnership loans outstanding at Jun. 28, 2024	(555)	0	0	0	(555)
Reserve for anticipated withdrawals at Jun. 28, 2024	(292)	(131)	(3)	(18)	(140)
Partnership capital subject to mandatory redemption, net of reserve for anticipated withdrawals at Jun. 28, 2024	4,285	1,744	0	719	1,822
TOTAL PARTNERSHIP CAPITAL AND PROFITS INTERESTS SUBJECT TO MANDATORY REDEMPTION at Jun. 28, 2024	4,577	1,875	3	737	1,962
TOTAL PARTNERSHIP CAPITAL AND PROFITS INTERESTS SUBJECT TO MANDATORY REDEMPTION at Dec. 31, 2024	4,909	1,926	14	794	2,175
Reserve for anticipated withdrawals at Dec. 31, 2024	(708)	(199)	(14)	(73)	(422)
Partnership capital subject to mandatory redemption, net of reserve for anticipated withdrawals at Dec. 31, 2024	4,201	1,727	0	721	1,753
Partnership loans outstanding at Dec. 31, 2024	473	0	0	0	473
Total partnership capital, including capital financed with partnership loans, net of reserve for anticipated withdrawals at Dec. 31, 2024	4,674	1,727	0	721	2,226
Issuance of partnership interests	372	14	0	56	302
Redemption of partnership interests	(66)	(7)	0	(17)	(42)
Net income allocations	513	71	17	56	369
Other Comprehensive Loss Allocations	(5)	0	0	(1)	(4)
Distributions	(8)	15	0	0	(23)
Total partnership capital, including capital financed with partnership loans, and profits interests at Mar. 28, 2025	5,480	1,820	17	815	2,828
Issuance of partnership interests	14	0	0	0	14
Redemption of partnership interests	(40)	(5)	0	(17)	(18)
Net income allocations	471	71	16	49	335
Other Comprehensive Loss Allocations	9	1	0	1	7
Distributions	(577)	(33)	(27)	(87)	(430)
Total partnership capital, including capital financed with partnership loans, and profits interests at Jun. 27, 2025	5,357	1,854	6	761	2,736
Partnership loans outstanding at Jun. 27, 2025	(595)	0	0	0	(595)
Reserve for anticipated withdrawals at Jun. 27, 2025	(305)	(125)	(6)	(18)	(156)
Partnership capital subject to mandatory redemption, net of reserve for anticipated withdrawals at Jun. 27, 2025	4,457	1,729	0	743	1,985
TOTAL PARTNERSHIP CAPITAL AND PROFITS INTERESTS SUBJECT TO MANDATORY REDEMPTION at Jun. 27, 2025	$ 4,762	$ 1,854	$ 6	$ 761	$ 2,141