Leases - Summary of Operating Lease Components of Balance Sheet and Other Supplemental Information (Details) - USD ($) $ in Millions	Jun. 30, 2022	Jun. 30, 2021
Leases [Abstract]
ROU assets	$ 477	$ 469
Lease liabilities
Current lease liabilities	$ 107	$ 92
Operating lease, liability, current, statement of financial position	Accounts payable, accrued expenses and other current liabilities	Accounts payable, accrued expenses and other current liabilities
Non-current lease liabilities	$ 405	$ 409
Operating lease, liability, noncurrent, statement of financial position	Other liabilities	Other liabilities
Total lease liabilities	$ 512	$ 501
Operating lease, liability, statement of financial position	Other Liabilities	Other Liabilities
Other supplemental information
Weighted average remaining lease term	9 years	8 years
Weighted average discount rate	3.00%	3.00%