PENSION, DEFERRED COMPENSATION AND POST-RETIREMENT BENEFIT PLANS - Amounts in AOCI expected to be amortized as components of net periodic benefit cost during fiscal 2019 (Details) $ in Millions	Jun. 30, 2020 USD ($)
Pension Plans | U.S.
Amounts in accumulated other comprehensive (income) loss expected to be amortized as components of net periodic benefit cost during fiscal 2020
Net prior service cost (credit)	$ 0
Net actuarial losses	20
Pension Plans | International
Amounts in accumulated other comprehensive (income) loss expected to be amortized as components of net periodic benefit cost during fiscal 2020
Net prior service cost (credit)	(1)
Net actuarial losses	4
Other than Pension Plans Post-retirement
Amounts in accumulated other comprehensive (income) loss expected to be amortized as components of net periodic benefit cost during fiscal 2020
Net prior service cost (credit)	0
Net actuarial losses	$ 0