Long-Term Obligations and Other Short-Term Borrowings (Details) - USD ($) $ in Millions	Dec. 31, 2023	Jun. 30, 2023
Debt Instrument [Line Items]
Accounts Payable	$ 34,300	$ 29,800
Debt, Long-Term and Short-Term, Combined Amount	4,700	$ 4,700
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] | Short Term Credit Facilities Member
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 1,000