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Long-Term Obligations and Other Short-Term Borrowings Long-Term Debt (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Jun. 30, 2025	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2023
Debt Instrument [Line Items]
Accounts Payable	$ 34,700	$ 34,700	$ 31,800
Debt Instrument, Issued, Principal		2,900	1,150
Proceeds from Issuance of Long-Term Debt		$ 2,900	1,140
Offer as percentage of principal amount		101.00%
Proceeds from short-term investment in time deposit		$ 200	350	$ 0
4.7% Notes due 2026
Debt Instrument [Line Items]
Debt Instrument, Issued, Principal		500
5.0% Notes due 2029
Debt Instrument [Line Items]
Debt Instrument, Issued, Principal		750
5.35% Notes due 2034
Debt Instrument [Line Items]
Debt Instrument, Issued, Principal		1,000
5.75% Notes due 2054
Debt Instrument [Line Items]
Debt Instrument, Issued, Principal		650
3.5% Notes due 2024
Debt Instrument [Line Items]
Repayments of Debt	$ 400
3.079% Notes due fiscal 2024
Debt Instrument [Line Items]
Notes Payable Repurchased		$ 750
5.125% Notes due 2029
Debt Instrument [Line Items]
Debt Instrument, Issued, Principal			650
5.45% Notes due 2034
Debt Instrument [Line Items]
Debt Instrument, Issued, Principal			$ 500