ACCOUNTS PAYABLE AND ACCRUED LIABILITIES (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Accounts Payable and Accrued Liabilities [Line Items]
Accounts Payable and Other Accrued Liabilities, Current	$ 95	$ 140
Accounts payable	1,661	1,546
Salaries, wages and other compensation	273	241
Accrued interest	183	168
Accrued taxes, other than income taxes	109	129
Pension, postretirement, postemployment and other employee benefits	78	114
Deferred revenue	35	91
Accrued Royalties, Current	29	68
Total accounts payable and accrued liabilities	2,625	2,497
Cash interest paid, net	500	565	$ 743
Tax Authority, In Papua, Indonesia | PT-FI
Accounts Payable and Accrued Liabilities [Line Items]
Loss Contingency, Accrual, Current	$ 162	$ 0