Income Taxes - Schedule of Deferred Tax Assets (Liabilities) (Details) - USD ($) $ in Millions	Jun. 30, 2026	Jun. 30, 2025	Mar. 19, 2019
Deferred tax assets
Basis difference	$ 2,108	$ 2,288
Operating lease liabilities	233	210
Sports rights contracts	70	90
Tax credit carryforwards	51	45
Net operating loss carryforwards	48	48
Equity-based compensation	47	44
Other	197	339
Total deferred tax assets	2,754	3,064
Deferred tax liabilities
Operating lease ROU assets	(206)	(198)
Accrued liabilities	0	(10)
Total deferred tax liabilities	(206)	(208)
Net deferred tax asset before valuation allowance	2,548	2,856
Less: valuation allowance	(109)	(140)
Total net deferred tax assets	2,439	2,716
Other deferred tax liability	$ 4	$ 5
Separation and Distribution Agreement
Deferred tax liabilities
Estimated tax liability included in transaction tax paid			$ 5,800