UPDATE OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($) $ in Millions	Jun. 30, 2020	Oct. 01, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Right-of-use asset	$ 326	$ 333
Operating lease liabilities	$ 351	$ 357
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	us-gaap:PrepaidExpenseAndOtherAssets
Operating Lease, Liability, Statement of Financial Position [Extensible List]	us-gaap:OtherLiabilities