Partnership Capital Subject to Mandatory Redemption - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Jan. 31, 2024	Dec. 08, 2021	Dec. 31, 2020
Partners Capital Account [Line Items]
Period of loans made by Partnership to general partners	1 year
Percentage of interest made by partnership to general partners	3.25%
Outstanding amount of partner loans financed through the Partnership	$ 439	$ 335	$ 321			$ 341
Interest income from outstanding amount of general partner loan	$ 40	$ 18	$ 13
Limited partnership's minimum annual return rate	7.50%	7.50%	7.50%
Limited partnership's minimum return, value	$ 132	$ 91	$ 92
Private Placement Offering [Member] | Forecast [Member] | Subsequent Event [Member]
Partners Capital Account [Line Items]
Limited partnership interests issued				$ 6
2021 Limited Partnership Offering [Member]
Partners Capital Account [Line Items]
Limited partnership amount registered					$ 700
Limited partnership interests issued	568
Remaining limited partnership interests that may be issued	$ 132