Income Taxes - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2023
Income Tax Disclosure [Abstract]
Discrete tax benefit	$ 180
Deferred tax assets, operating loss carryforwards, writeoff	784
Deferred tax assets resulting from loss carryforwards	114	$ 1,064
Loss carryforwards	492
Valuation allowance related to the loss carryforwards	106
Amount of valuation allowance relating to non-operating entity whose loss carryforward utilization is considered to be remote	$ 92
Operating loss carryforward minimum period before expiration (in years)	3 years
Operating loss carryforward maximum period before expiration (in years)	20 years
Valuation allowance	$ 35
Undistributed foreign earnings not permanently reinvested	484
Deferred tax liability on undistributed foreign earnings not permanently reinvested	16
Undistributed distributed foreign earnings	1,011
Deferred tax liability on undistributed foreign earnings not permanently reinvested in their subsidiaries	17
Unrecognized tax benefits that would impact effective tax rate if recognized	104	102	$ 114
Accrued interest related to the gross unrecognized tax benefits excluded from the unrecognized tax benefits	28	27	21
Accrued penalties related to gross unrecognized tax benefits	2	$ 2	$ 2
Amount of gross unrecognized tax benefits could be reduced by as a result of the revaluation of existing uncertain tax positions	$ 60