NOTES PAYABLE, LONG-TERM DEBT AND AVAILABLE CREDIT FACILITIES (Schedule of Long-Term Debt) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011
Debt Instrument [Line Items]
Unamortized debt discount	$ (403)	$ (393)
Long-term debt due within one year	(672)	(2,749)
Long-Term Debt	19,919	18,310
Maturities of Long-term Debt [Abstract]
2013	672
2014	1,438
2015	1,712
2016	1,043
2017	1,212
Capital Lease Obligations [Member]
Debt Instrument [Line Items]
Long-Term Debt	21	17
Final Maturity 2012 [Member]
Debt Instrument [Line Items]
Long-Term Debt	0	2,158
Average interest rate in period	0.00%	5.35%
Final maturity 2013 [Member]
Debt Instrument [Line Items]
Long-Term Debt	404	395
Average interest rate in period	6.01%	6.10%
Final Maturity 2014 [Member]
Debt Instrument [Line Items]
Long-Term Debt	1,138	2,103
Average interest rate in period	6.86%	7.28%
Final maturity 2015 [Member]
Debt Instrument [Line Items]
Long-Term Debt	1,290	1,257
Average interest rate in period	5.82%	5.92%
Final maturity 2016 [Member]
Debt Instrument [Line Items]
Long-Term Debt	789	757
Average interest rate in period	2.54%	2.57%
Final Maturity 2017 [Member]
Debt Instrument [Line Items]
Long-Term Debt	890	857
Average interest rate in period	5.88%	6.03%
Final Maturity 2018 and thereafter [Member]
Debt Instrument [Line Items]
Long-Term Debt	12,988	10,305
Average interest rate in period	5.93%	6.55%
U.S. Dollar loans, Various Rates and Maturities [Member]
Debt Instrument [Line Items]
Long-Term Debt	288	232
Average interest rate in period	2.30%	2.37%
Foreign Currency Loans, Various Rates and Maturities [Member]
Debt Instrument [Line Items]
Long-Term Debt	1,336	1,609
Average interest rate in period	3.50%	3.52%
Medium Term Notes Varying Maturities Through 2022 [Member]
Debt Instrument [Line Items]
Long-Term Debt	1,132	902
Average interest rate in period	4.26%	4.76%
Pollution Control/Industrial Revenue Bonds, Varying Maturities Through 2038 [Member]
Debt Instrument [Line Items]
Long-Term Debt	$ 718	$ 860
Average interest rate in period	5.67%	5.70%

The average effective interest rate during the reporting period.

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The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

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