Long-Term Obligations and Other Short-Term Borrowings Long-Term Debt (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Debt Instrument [Line Items]
Accounts payable	$ 29,813	$ 27,128
Offer as percentage of principal amount	101.00%
Loss on early extinguishment of debt	$ 0	10	$ 14
2.616% Notes due fiscal 2022
Debt Instrument [Line Items]
Notes Payable Repurchased		572	2
Repayments of Notes Payable	$ 550
Loss on early extinguishment of debt		(10)
2.616% Notes, 3.2% Notes, 3.41% Notes, 4.6% Notes, 4.9% Notes and 4.368% Notes [Member]
Debt Instrument [Line Items]
Loss on early extinguishment of debt			(1)
Floating Rate Notes due fiscal 2022
Debt Instrument [Line Items]
Notes Payable Repurchased			40
Repayments of Notes Payable		$ 282
3.2% Notes due 2022
Debt Instrument [Line Items]
Notes Payable Repurchased			238
Repayments of Notes Payable			262
3.2% notes, 2.616% Notes
Debt Instrument [Line Items]
Loss on early extinguishment of debt			$ (13)