Income Taxes (Schedule of Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Millions	Jun. 30, 2023	Jun. 30, 2022
Deferred income tax assets:
Receivable basis difference	$ 44	$ 41
Accrued liabilities	704	675
Share-based compensation	29	34
Loss and tax credit carryforwards	671	778
Deferred tax assets related to uncertain tax positions	39	33
Other	53	23
Total deferred income tax assets	1,540	1,584
Deferred Tax Assets, Valuation Allowance	(421)	(468)
Deferred Tax Assets, Net	1,119	1,116
Deferred income tax liabilities:
Inventory basis differences	(1,229)	(1,164)
Property-related	(336)	(288)
Other	(624)	(683)
Deferred Tax Liabilities, Deferred Expense, Reserves and Accruals	(975)	(975)
Total deferred income tax liabilities	(3,164)	(3,110)
Net deferred income tax liability	$ (2,045)	$ (1,994)