RECENT ACCOUNTING GUIDANCE (Details) - USD ($) $ in Millions	Dec. 31, 2019	Jan. 01, 2019	Dec. 31, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease right-of-use assets	$ 2,072		$ 0
Operating Lease, Liability	2,160
Accounting Standards Update 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease right-of-use assets		$ 2,300
Operating Lease, Liability		2,300
Cumulative Effect of New Accounting Principle in Period of Adoption	32	$ 2,300
Retained Earnings [Member] | Accounting Standards Update 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative Effect of New Accounting Principle in Period of Adoption	$ 32