Financing Arrangements (Details)	12 Months Ended
Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)
Line of Credit Facility [Line Items]
Commercial paper notes outstanding	$ 1,422,000,000	$ 0
Debt to debt-shareholders' equity ratio	0.57
Maximum
Line of Credit Facility [Line Items]
Debt to debt-shareholders' equity ratio, covenant, maximum	0.65
International
Line of Credit Facility [Line Items]
Short-term borrowings	$ 0	$ 0
Commercial Paper
Line of Credit Facility [Line Items]
Line of credit	3,000,000,000
Line of Credit \| Amended And Extended Multi-Currency Credit Agreement
Line of Credit Facility [Line Items]
Line of credit	3,000,000,000
Line of credit available	$ 1,578,000,000
Extension option, term	1 year
Line of Credit
Line of Credit Facility [Line Items]
Weighted-average interest rate of notes payable	0.70%	0.20%

Debt Instrument, Covenant Term, Debt to Debt-Shareholders' Equity Ratio

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Debt Instrument, Debt To Debt-Shareholders' Equity Ratio

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Debt Instrument, Extension Option, Term

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Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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Amount of borrowings classified as other, maturing within one year or the normal operating cycle, if longer.

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Weighted average interest rate of short-term debt outstanding calculated at point in time.

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