Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Millions	Dec. 31, 2021	Jun. 30, 2021
Statement of Financial Position [Abstract]
Property, plant and equipment, accumulated depreciation and amortization	$ 2,466	$ 2,382
Preferred stock, par value (in dollars per share)	$ 1.00	$ 1.00
Preferred stock, shares authorized (in shares)	5,000,000	5,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 1.00	$ 1.00
Common stock, shares authorized (in shares)	750,000,000	750,000,000
Common stock, shares issued (in shares)	130,741,461	130,741,461
Common stock, shares outstanding (in shares)	122,964,541	122,780,220
Treasury stock, shares (in shares)	7,776,920	7,961,241