NEW ACCOUNTING STANDARDS (Details) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2020	Dec. 31, 2019
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	$ 1,067	$ 1,261	[1]
Due from unconsolidated affiliates - noncurrent	617	742	[1]
Deferred income tax assets	199	155	[1]
Other current liabilities	993	866	[1]
Deferred credits and other	2,146	2,048	[1]
Retained earnings	13,560	11,130	[1]
Other noncontrolling interests	$ 1,608	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.