Condensed Consolidated Statements of Stockholders’ Equity (Parenthetical) - $ / shares shares in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2026	Mar. 31, 2025
Statement of Stockholders' Equity [Abstract]
Treasury stock acquired (in shares)	1.1	0.1	1.7	0.1
Treasury stock reissued (in shares)	0.1	0.2	0.2	0.5
Common stock dividends (in dollars per share)	$ 0.975	$ 0.88	$ 2.925	$ 2.64