INCOME TAXES - PROVISION FOR INCOME TAXES ON CONTINUING OPERATIONS (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
CURRENT TAX EXPENSE
Current Federal Tax Expense (Benefit)	$ 1,266	$ 1,064	$ 3,965
Current Foreign Tax Expense (Benefit)	1,769	1,259	1,131
Current State and Local Tax Expense (Benefit)	292	191	213
Current Income Tax Expense (Benefit)	3,327	2,514	5,309
DEFERRED TAX EXPENSE
Deferred Federal Income Tax Expense (Benefit)	39	(296)	(1,989)
Deferred Foreign Income Tax Expense (Benefit)	(635)	(115)	145
Deferred Income Tax Expense (Benefit) Continuing Operations	(596)	(411)	(1,844)
Income Tax Expense	$ 2,731	$ 2,103	$ 3,465