RECENTLY ISSUED ACCOUNTING PRONOUNCEMENTS (Details) - USD ($) $ in Millions	Mar. 31, 2019	Jan. 01, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Right-of-use lease liabilities	$ 450
Right-of-use lease assets	$ 416
ASU No. 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Right-of-use lease liabilities		$ 470
Right-of-use lease assets		$ 436