NOTES PAYABLE, LONG-TERM DEBT AND AVAILABLE CREDIT FACILITIES (Schedule of Long-Term Debt) (Details) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
Sep. 30, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Long-term debt due within one year	$ (578)	$ (635)
Long-term debt	(20,004)	(20,456)
Long-term Debt	20,582	21,091
Capital Lease Obligations	281	295
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net	354	$ 373
Annual Installments on Long Term Debt for Next Five Years at the current period end [Abstract]
Annual Installments on Long Term Debt, 2017	78
Annual Installments on Long Term Debt, 2018	752
Annual Installments on Long Term Debt, 2019	6,934
Annual Installments on Long Term Debt, 2020	1,831
Annual Installments on Long Term Debt, 2021	1,561
Annual Installments on Long Term Debt, 2022	$ 1,497
Final maturity 2017
Debt Instrument [Line Items]
Average interest rate in period	9.80%	6.06%
Long-term Debt	$ 3	$ 442
Final maturity 2018
Debt Instrument [Line Items]
Average interest rate in period	5.78%	5.78%
Long-term Debt	$ 339	$ 339
Final maturity 2019
Debt Instrument [Line Items]
Average interest rate in period	8.55%	8.55%
Long-term Debt	$ 2,122	$ 2,122
Final maturity 2020
Debt Instrument [Line Items]
Average interest rate in period	4.46%	4.46%
Long-term Debt	$ 1,547	$ 1,547
Final maturity 2021
Debt Instrument [Line Items]
Average interest rate in period	4.71%	4.72%
Long-term Debt	$ 1,424	$ 1,424
Final maturity 2022
Debt Instrument [Line Items]
Average interest rate in period	3.00%	3.00%
Long-term Debt	$ 1,252	$ 1,250
Final maturity 2023 and thereafter
Debt Instrument [Line Items]
Average interest rate in period	5.99%	5.98%
Long-term Debt	$ 7,188	$ 7,199
U.S. Dollar loans, Various Rates and Maturities [Member]
Debt Instrument [Line Items]
Average interest rate in period	2.26%	1.60%
Long-term Debt	$ 4,580	$ 4,595
Foreign Currency Loans, Various Rates and Maturities [Member]
Debt Instrument [Line Items]
Average interest rate in period	3.12%	3.42%
Long-term Debt	$ 862	$ 882
Medium Term Notes Varying Maturities Through 2025 [Member]
Debt Instrument [Line Items]
Average interest rate in period	3.86%	3.82%
Long-term Debt	$ 995	$ 1,026
Pollution Control/Industrial Revenue Bonds, Varying Maturities Through 2038 [Member]
Debt Instrument [Line Items]
Average interest rate in period	5.66%	5.66%
Long-term Debt	$ 343	$ 343

Long-Term Debt, Maturities, Repayments of Principal in Year Six

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