FAIR VALUE MEASUREMENTS - Estimated Fair Values of Financial Instruments (Details) - USD ($) $ in Millions	Dec. 31, 2016	Jun. 30, 2016
Nonderivatives
Available-for-sale securities	$ 1,333	$ 1,504
Derivatives
Derivative asset	68	66
Derivative liability	16	26
Carrying Amount
Nonderivatives
Cash and cash equivalents	1,262	914
Available-for-sale securities	1,333	1,504
Current and long-term debt	4,033	2,242
Additional purchase price payable	37	37
Contingent consideration	200	196
Fair Value
Nonderivatives
Cash and cash equivalents	1,262	914
Available-for-sale securities	1,333	1,504
Current and long-term debt	4,120	2,482
Additional purchase price payable	37	37
Contingent consideration	200	196
Foreign currency forward contracts | Carrying Amount
Derivatives
Derivative asset	45	22
Foreign currency forward contracts | Fair Value
Derivatives
Derivative asset	45	22
Interest rate-related derivatives | Carrying Amount
Derivatives
Derivative asset	11
Interest rate-related derivatives | Fair Value
Derivatives
Derivative asset	11
Interest rate swap contracts | Carrying Amount
Derivatives
Derivative asset		18
Derivative liability	4
Interest rate swap contracts | Fair Value
Derivatives
Derivative asset		$ 18
Derivative liability	$ 4