Additional Financial Information - Schedule of Interest Expense, Net (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2025	Dec. 31, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Interest expense	$ (120)	$ (117)	$ (220)	$ (219)
Interest income	22	37	72	89
Total interest expense, net	$ (98)	$ (80)	$ (148)	$ (130)