Leases Supplemental Balance Sheet Information (Details) - USD ($) $ in Millions	Jun. 30, 2025	Jun. 30, 2024
Leases [Abstract]
Operating Lease, Liability, Noncurrent	$ 654	$ 400
Operating Lease, Right-of-Use Asset	758	475
Operating Lease, Liability, Current	164	117
Total operating lease liabilities	818	517
Total finance lease liabilities	201	108
Finance Lease, Right-of-Use Asset, after Accumulated Amortization	192	102
Finance Lease, Liability, Current	44	33
Finance Lease, Liability, Noncurrent	$ 157	$ 75
Operating Lease, Weighted Average Remaining Lease Term	5 years 10 months 24 days	5 years 6 months
Finance Lease, Weighted Average Remaining Lease Term	6 years 3 months 18 days	4 years 1 month 6 days
Operating Lease, Weighted Average Discount Rate, Percent	3.90%	4.10%
Finance Lease, Weighted Average Discount Rate, Percent	4.60%	4.40%
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other assets	Other assets
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Other accrued liabilities	Other accrued liabilities
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Deferred income taxes and other liabilities	Deferred income taxes and other liabilities
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Property and equipment, net	Property and equipment, net
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Current portion of long-term obligations and other short-term borrowings	Current portion of long-term obligations and other short-term borrowings
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Long-term obligations, less current portion	Long-term obligations, less current portion