Consolidated Statements of Changes in Partnership Capital Subject to Mandatory Redemption - USD ($) $ in Millions	Total	Limited Partnership Capital [Member]	Profits Interests [Member]	Subordinated Limited Partnership Capital [Member]	General Partnership Capital [Member]
Reserve for anticipated withdrawals	$ (520)	$ (136)	$ 0	$ (59)	$ (325)
TOTAL PARTNERSHIP CAPITAL SUBJECT TO MANDATORY REDEMPTION at Dec. 31, 2021	3,755	1,361	0	640	1,754
Partnership capital subject to mandatory redemption, net of reserve for anticipated withdrawals at Dec. 31, 2021	3,235	1,225	0	581	1,429
Partnership loans outstanding at beginning of year at Dec. 31, 2021	321	0	0	0	321
Total partnership capital, including capital financed with partnership loans, net of reserve for anticipated withdrawals at Dec. 31, 2021	3,556	1,225		581	1,750
Issuance of partnership interests	339	4	0	58	277
Redemption of partnership interests	(352)	(17)	0	(21)	(314)
Income allocated to partners	1,404	165	0	165	1,074
Distributions	(793)	(65)	0	(112)	(616)
Total partnership capital, including capital financed with partnership loans at Dec. 31, 2022	4,154	1,312	0	671	2,171
Partnership loans outstanding at end of year at Dec. 31, 2022	(335)	0	0	0	(335)
TOTAL PARTNERSHIP CAPITAL SUBJECT TO MANDATORY REDEMPTION at Dec. 31, 2022	3,819	1,312	0	671	1,836
Partnership capital subject to mandatory redemption, net of reserve for anticipated withdrawals at Dec. 31, 2022	3,355	1,212	0	618	1,525
Total partnership capital, including capital financed with partnership loans, net of reserve for anticipated withdrawals at Dec. 31, 2022	3,690	1,212	0	618	1,860
Reserve for anticipated withdrawals	(464)	(100)	0	(53)	(311)
Issuance of partnership interests	957	568	0	70	319
Redemption of partnership interests	(320)	(30)	0	(22)	(268)
Income allocated to partners	1,612	263	0	181	1,168
Distributions	(873)	(93)	0	(121)	(659)
Total partnership capital, including capital financed with partnership loans at Dec. 31, 2023	5,066	1,920	0	726	2,420
Partnership loans outstanding at end of year at Dec. 31, 2023	(439)	0	0	0	(439)
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
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
Total partnership capital and profits interests subject to mandatory redemption	4,627
Reserve for anticipated withdrawals	(578)	(170)	0	(60)	(348)
Issuance of partnership interests	346	7	0	68	271
Redemption of partnership interests	(353)	(30)	0	(13)	(310)
Net income allocations	1,981	305	43	217	1,416
Other comprehensive loss allocations	(9)	(1)	(0)	(1)	(7)
Distributions	(1,071)	(105)	(29)	(143)	(794)
Partnership loans outstanding at end of year at Dec. 31, 2024	(473)	0	0	0	(473)
Partnership capital subject to mandatory redemption, net of reserve for anticipated withdrawals at Dec. 31, 2024	4,201	1,727	0	721	1,753
Total partnership capital and profits interests subject to mandatory redemption	4,909	1,926	14	794	2,175
Total partnership capital, including capital financed with partnership loans, and Profits Interests, December 31, 2024	5,382	1,926	14	794	2,648
Reserve for anticipated withdrawals	$ (708)	$ (199)	$ (14)	$ (73)	$ (422)