Divestitures (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2025	Jul. 10, 2023
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal, Statement of Income or Comprehensive Income [Extensible Enumeration]	Gain (Loss) on Sale of Assets and Asset Impairment Charges
Outcomes Divestiture
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal	$ (53)
Transaction Data System Investment
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Equity ownership percentage	16.00%
Transaction Data System Investment | Level 3 | Fair Value, Nonrecurring
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Equity Method Investments, Fair Value Disclosure		$ 147