SUPPLEMENTAL FINANCIAL INFORMATION - PROPERTY, PLANT AND EQUIPMENT (Details) - USD ($) $ in Millions	Jun. 30, 2020	Jun. 30, 2019
PROPERTY, PLANT AND EQUIPMENT
Total Property, Plant and Equipment	$ 43,771	$ 43,393
Accumulated Depreciation	23,079	22,122
Property, Plant and Equipment, Net	20,692	21,271
Buildings
PROPERTY, PLANT AND EQUIPMENT
Total Property, Plant and Equipment	7,700	7,746
Machinery and Equipment
PROPERTY, PLANT AND EQUIPMENT
Total Property, Plant and Equipment	33,260	32,263
Land
PROPERTY, PLANT AND EQUIPMENT
Total Property, Plant and Equipment	777	805
Construction in Progress
PROPERTY, PLANT AND EQUIPMENT
Total Property, Plant and Equipment	$ 2,034	$ 2,579