Long-Term Obligations and Other Short-Term Borrowings (Details) € in Millions, ¥ in Millions, $ in Millions	3 Months Ended	9 Months Ended		12 Months Ended
	Mar. 31, 2025 USD ($)	Mar. 31, 2025 USD ($)	Mar. 31, 2024 USD ($)	Dec. 04, 2025	Apr. 01, 2025 USD ($)	Mar. 31, 2025 EUR (€)	Mar. 31, 2025 JPY (¥)	Nov. 22, 2024 USD ($)	Nov. 11, 2024 USD ($)	Jun. 30, 2024 USD ($)
Debt Instrument [Line Items]
Other Borrowings	$ 175	$ 175								$ 110
Debt and Lease Obligation	7,679	7,679								5,092
Current portion of long-term obligations and other short-term borrowings	543	543								434
Long-term obligations, less current portion	7,136	7,136								4,658
Long-Term Debt, Maturity, Year One	12	12
Long-Term Debt, Maturity, Year Two	548	548
Long-Term Debt, Maturity, Year Three	1,900	1,900
Long-Term Debt, Maturity, Year Four	27	27
Long-Term Debt, Maturity, Year Five	663	663
Long-Term Debt, Maturity, after Year Five	4,600	4,600
Total Long-Term and Short-Term Obligations	7,700	7,700								5,100
Accounts Payable	32,800	32,800								31,800
Debt Instrument, Issued, Principal		2,900
Proceeds from Issuance of Long-Term Debt		2,900
Proceeds from short-term investment in time deposit		200	$ 0
September 2025 | Currency Swap [Member] | Net Investment Hedging [Member] | Designated as Hedging Instrument
Debt Instrument [Line Items]
Derivative, Notional Amount	120	120					¥ 18,000
February 2027 | Currency Swap [Member] | Net Investment Hedging [Member] | Designated as Hedging Instrument
Debt Instrument [Line Items]
Derivative, Notional Amount	105	105				€ 100
Commercial Paper [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	3,000	3,000
Revolving Credit Facility [Member] | Backstop Credit Facility
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	2,000	2,000
Short Term Credit Facilities Member
Debt Instrument [Line Items]
Other Short-term Borrowings	0	0
Committed Receivables Sales Facility Program [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	1,000	1,000
Credit Agreement
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	1,000	1,000
Credit Agreement | Subsequent Event
Debt Instrument [Line Items]
Long-Term Line of Credit					$ 800
364-Dad Revolving Credit Facility | Backstop Credit Facility
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	1,000	1,000
364-Dad Revolving Credit Facility | Backstop Credit Facility | Forecast [Member]
Debt Instrument [Line Items]
Debt Instrument, Term				364 days
Bridge Loan
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity								$ 0	$ 2,900
3.5% Notes due 2024
Debt Instrument [Line Items]
Notes Payable	0	0								401
Repayments of Debt	400
3.75% Notes due 2025
Debt Instrument [Line Items]
Notes Payable	503	503								507
3.41% Notes due 2027
Debt Instrument [Line Items]
Notes Payable	1,205	1,205								1,191
5.125% Notes due 2029
Debt Instrument [Line Items]
Notes Payable	645	645								644
5.45% Notes due 2034
Debt Instrument [Line Items]
Notes Payable	499	499								491
4.6% Notes due 2043
Debt Instrument [Line Items]
Notes Payable	322	322								308
4.5% Notes due 2044
Debt Instrument [Line Items]
Notes Payable	335	335								330
4.9% Notes due 2045
Debt Instrument [Line Items]
Notes Payable	435	435								423
4.368% Notes due 2047
Debt Instrument [Line Items]
Notes Payable	565	565								563
7.0% Debentures due fiscal 2027
Debt Instrument [Line Items]
Notes Payable	124	124								124
5.0% Notes due 2029
Debt Instrument [Line Items]
Notes Payable	744	744								0
Debt Instrument, Issued, Principal		750
5.35% Notes due 2034
Debt Instrument [Line Items]
Notes Payable	989	989								0
Debt Instrument, Issued, Principal		1,000
5.75% Notes due 2054
Debt Instrument [Line Items]
Notes Payable	641	641								0
Debt Instrument, Issued, Principal		650
4.7% Notes due 2026
Debt Instrument [Line Items]
Notes Payable	$ 497	497								$ 0
Debt Instrument, Issued, Principal		$ 500