NOTES PAYABLE, LONG-TERM DEBT AND AVAILABLE CREDIT FACILITIES (Schedule of Long-Term Debt) (Details) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
Jun. 30, 2015	Dec. 31, 2014
Debt Instrument [Line Items]
Unamortized debt discount	$ (338)	$ (350)
Long-term debt due within one year	(1,479)	(394)
Long-term debt	(17,833)	(18,838)
Annual Installments on Long Term Debt for Next Five Years at the current period end [Abstract]
Annual Installments on Long Term Debt, 2015	292
Annual Installments on Long Term Debt, 2016	1,371
Annual Installments on Long Term Debt, 2017	772
Annual Installments on Long Term Debt, 2018	930
Annual Installments on Long Term Debt, 2019	2,573
Annual Installments on Long Term Debt, 2020	2,103
Capital Lease Obligations [Member]
Debt Instrument [Line Items]
Long-term debt	(81)	(85)
Final Maturity 2015 [Member]
Debt Instrument [Line Items]
Long-term debt	$ (29)	$ (60)
Average interest rate in period	2.75%	2.74%
Final maturity 2016 [Member]
Debt Instrument [Line Items]
Long-term debt	$ (805)	$ (805)
Average interest rate in period	2.52%	2.52%
Final Maturity 2017 [Member]
Debt Instrument [Line Items]
Long-term debt	$ (489)	$ (489)
Average interest rate in period	5.66%	5.66%
Final maturity 2018 [Member]
Debt Instrument [Line Items]
Long-term debt	$ (567)	$ (567)
Average interest rate in period	5.44%	5.44%
Final Maturity 2019 [Member]
Debt Instrument [Line Items]
Long-term debt	$ (2,168)	$ (2,168)
Average interest rate in period	8.41%	8.41%
Final Maturity 2020 [Member]
Debt Instrument [Line Items]
Long-term debt	$ (1,874)	$ (1,877)
Average interest rate in period	4.36%	4.37%
Final Maturity 2021 and thereafter [Member]
Debt Instrument [Line Items]
Long-term debt	$ (10,190)	$ (10,186)
Average interest rate in period	5.31%	5.31%
U.S. Dollar loans, Various Rates and Maturities [Member]
Debt Instrument [Line Items]
Long-term debt	$ (452)	$ (461)
Average interest rate in period	1.38%	1.38%
Foreign Currency Loans, Various Rates and Maturities [Member]
Debt Instrument [Line Items]
Long-term debt	$ (927)	$ (1,013)
Average interest rate in period	2.99%	3.01%
Medium Term Notes Varying Maturities Through 2025 [Member]
Debt Instrument [Line Items]
Long-term debt	$ (1,725)	$ (1,528)
Average interest rate in period	3.49%	3.55%
Pollution Control/Industrial Revenue Bonds, Varying Maturities Through 2038 [Member]
Debt Instrument [Line Items]
Long-term debt	$ (343)	$ (343)
Average interest rate in period	5.66%	5.66%

The average effective interest rate during the reporting period.

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