Income Taxes - Schedule of Reconciliation of Provision for Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Tax Disclosure [Abstract]
Pre-Tax Net Book Income (“NBI”)	$ 5,899	$ 6,035	$ 5,701
Tax Jurisdiction of Domicile [Extensible Enumeration]	UNITED STATES	UNITED STATES	UNITED STATES
Amount
Income tax provision at the U.S. federal income tax rate	$ (1,239)	$ (1,267)	$ (1,197)
Partnership income not subject to federal income tax	1,220	1,250	1,181
Texas Margin Tax	(3)	(44)	(49)
Change in valuation allowance	0	0	22
Other	(1)	(4)	(1)
Total provision for income taxes	$ (23)	$ (65)	$ (44)
Percent
Income tax provision at the U.S. federal income tax rate	(21.00%)	(21.00%)	(21.00%)
Partnership income not subject to federal income tax	20.70%	20.70%	20.70%
Texas Margin Tax	(0.10%)	(0.70%)	(0.90%)
Change in valuation allowance	0.00%	0.00%	0.40%
Other	0.00%	(0.10%)	0.00%
Provision for income taxes	(0.40%)	(1.10%)	(0.80%)
Effective income tax rate	(0.40%)	(1.10%)	(0.80%)

The amount of income tax expense (benefit) for the period computed by applying the Texas margin tax. The tax is assessed on Texas sourced taxable margin which is defined as the lesser of (i) 70% of total revenue or (ii) total revenue less (a) cost of goods sold or (b) compensation and benefits.

No definition available.