NEW ACCOUNTING STANDARDS (Details) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
	Jun. 30, 2020	Dec. 31, 2019		Jan. 01, 2020
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Accounting Standards Update [Extensible List]	us-gaap:AccountingStandardsUpdate201613Member	us-gaap:AccountingStandardsUpdate201613Member
Accounts receivable – trade, net	$ 1,022	$ 1,261	[1]
Due from unconsolidated affiliates - noncurrent	603	742	[1]
Deferred income tax assets	224	155	[1]
Other current liabilities	917	866	[1]
Deferred credits and other	2,156	2,048	[1]
Retained earnings	13,511	11,130	[1]
Other noncontrolling interests	$ 1,760	$ 1,856	[1]
Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Accounts receivable – trade, net				$ (1)
Due from unconsolidated affiliates - noncurrent				(6)
Deferred income tax assets				4
Other current liabilities				4
Deferred credits and other				2
Retained earnings				(7)
Other noncontrolling interests				$ (2)

[1] Derived from audited financial statements.