Long-Term Obligations and Other Short-Term Borrowings (Details) - USD ($) $ in Millions	9 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Jun. 30, 2023	Jun. 30, 2022
Debt Instrument [Line Items]
Other Borrowings	$ 104		$ 86
Debt and Lease Obligation	5,854		4,701
Current portion of long-term obligations and other short-term borrowings	1,187		792
Long-term obligations, less current portion	4,667		3,909
Long-Term Debt, Maturity, Year One	762
Long-Term Debt, Maturity, Year Two	436
Long-Term Debt, Maturity, Year Three	535
Long-Term Debt, Maturity, Year Four	1,300
Long-Term Debt, Maturity, Year Five	11
Long-Term Debt, Maturity, after Year Five	2,800
Total Long-Term and Short-Term Obligations	5,900		4,700
Accounts Payable	32,100		29,800
Debt Instrument, Issued, Principal	1,150
Proceeds from Issuance of Long-Term Debt	1,140
Purchases of short-term time deposits	550	$ 0
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents	3,718	$ 3,990	4,043	$ 4,717
Line of Credit Facility, Average Outstanding Amount	25
Remaining Cash from Debt Proceeds
Debt Instrument [Line Items]
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents	589
Commercial Paper [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	2,000
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	2,000
Short Term Credit Facilities Member
Debt Instrument [Line Items]
Other Short-term Borrowings	0
Committed Receivables Sales Facility Program [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Amount Outstanding During Period	1,300
Committed Receivables Sales Facility Program [Member] | Short Term Credit Facilities Member
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	1,000
3.079% Notes due 2024
Debt Instrument [Line Items]
Notes Payable	753		764
3.5% Notes due 2024
Debt Instrument [Line Items]
Notes Payable	402		404
3.75% Notes due 2025
Debt Instrument [Line Items]
Notes Payable	508		513
3.41% Notes due 2027
Debt Instrument [Line Items]
Notes Payable	1,192		1,184
5.125% Notes due 2029
Debt Instrument [Line Items]
Notes Payable	644		0
Debt Instrument, Issued, Principal	650
5.45% Notes due 2034
Debt Instrument [Line Items]
Notes Payable	494		0
Debt Instrument, Issued, Principal	500
4.6% Notes due 2043
Debt Instrument [Line Items]
Notes Payable	311		306
4.5% Notes due 2044
Debt Instrument [Line Items]
Notes Payable	330		331
4.9% Notes due 2045
Debt Instrument [Line Items]
Notes Payable	428		428
4.368% Notes due 2047
Debt Instrument [Line Items]
Notes Payable	564		561
7.0% Debentures due fiscal 2027
Debt Instrument [Line Items]
Notes Payable	$ 124		$ 124