CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares shares in Millions	Jun. 30, 2019	Jun. 30, 2018
Common Stock, Par or Stated Value Per Share	$ 0	$ 1
Common Stock, Shares Authorized	0.0	10,000.0
Common Stock, Shares, Issued	0.0	4,009.2
Treasury Stock, Shares	0.0	1,511.2
Preferred Class A
Preferred Stock, Par or Stated Value Per Share	$ 0	$ 1
Preferred Stock, Shares Authorized	0.0	600.0
Preferred Class B
Preferred Stock, Par or Stated Value Per Share	$ 0	$ 1
Preferred Stock, Shares Authorized	0.0	200.0