Income Taxes (Schedule of Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Millions	Jun. 30, 2024	Jun. 30, 2023
Deferred income tax assets:
Receivable basis difference	$ 81	$ 74
Accrued liabilities	749	704
Share-based compensation	28	29
Loss and tax credit carryforwards	512	672
Deferred tax assets related to uncertain tax positions	45	39
Other	76	58
Total deferred income tax assets	1,491	1,576
Valuation allowance for deferred income tax assets	(300)	(421)
Net deferred income tax assets	1,191	1,155
Deferred income tax liabilities:
Inventory basis differences	(1,122)	(1,229)
Property-related	(350)	(336)
Other	(710)	(624)
Deferred Tax Liabilities, Deferred Expense, Reserves and Accruals	(981)	(975)
Total deferred income tax liabilities	(3,163)	(3,164)
Net deferred income tax liability	$ (1,972)	$ (2,009)