Income Taxes - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Income Tax Disclosure [Abstract]
Partnership's tax basis of assets and liabilities exceeds book basis	$ 190	$ 291
Income tax examination, Likelihood of unfavorable settlement	greater than fifty percent
Uncertain tax positions	$ 0	$ 0