Long-Term Obligations and Other Short-Term Borrowings Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Line of Credit Facility [Line Items]
Document Fiscal Year Focus	2023
Other Borrowings	$ 86	$ 74
Loss on early extinguishment of debt	0	10	$ 14
Accounts Payable	29,800	27,100
Maturities of existing long-term obligations and other short-term borrowings-2024	792
Maturities of existing long-term obligations and other short-term borrowings-2025	428
Maturities of existing long-term obligations and other short-term borrowings-2026	530
Maturities of existing long-term obligations and other short-term borrowings-2027	1,300
Maturities of existing long-term obligations and other short-term borrowings-2028	6
Maturities of existing long-term obligations and other short-term borrowings-Thereafter	1,600
Letter of Credit
Line of Credit Facility [Line Items]
Long-term Line of Credit	1	1
Committed Receivables Sales Facility Program
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Amount Outstanding During Period	445
Revolving Credit Facility
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	2,000
Commercial paper
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 2,000
2.616% Notes due fiscal 2022
Line of Credit Facility [Line Items]
Notes Payable Repurchased		572	2
Loss on early extinguishment of debt		$ (10)
Floating Rate Notes due fiscal 2022
Line of Credit Facility [Line Items]
Notes Payable Repurchased			40
2.616% Notes, 3.2% Notes, 3.41% Notes, 4.6% Notes, 4.9% Notes and 4.368% Notes [Member]
Line of Credit Facility [Line Items]
Loss on early extinguishment of debt			(1)
3.2% Notes due 2022
Line of Credit Facility [Line Items]
Notes Payable Repurchased			238
3.2% notes, 2.616% Notes
Line of Credit Facility [Line Items]
Loss on early extinguishment of debt			$ (13)