NOTES PAYABLE, LONG-TERM DEBT AND AVAILABLE CREDIT FACILITIES (Schedule of Long-Term Debt) (Details) (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Debt Instrument [Line Items]
Unamortized debt discount	$ (393,000,000)	$ (458,000,000)
Long-term debt due within one year	(2,749,000,000)	(1,755,000,000)
Long-Term Debt	18,310,000,000	20,605,000,000
Maturities of Long-term Debt [Abstract]
2012	2,749,000,000
2013	662,000,000
2014	2,361,000,000
2015	1,453,000,000
2016	995,000,000
Capital Lease Obligations [Member]
Debt Instrument [Line Items]
Long-Term Debt	17,000,000	17,000,000
Final Maturity 2011 [Member]
Debt Instrument [Line Items]
Long-Term Debt	0	1,057,000,000
Average interest rate in period	0.00%	5.30%
Final Maturity 2012 [Member]
Debt Instrument [Line Items]
Long-Term Debt	2,158,000,000	2,154,000,000
Average interest rate in period	5.35%	5.33%
Final maturity 2013 [Member]
Debt Instrument [Line Items]
Long-Term Debt	395,000,000	389,000,000
Average interest rate in period	6.10%	6.05%
Final Maturity 2014 [Member]
Debt Instrument [Line Items]
Long-Term Debt	2,103,000,000	2,096,000,000
Average interest rate in period	7.28%	7.27%
Final maturity 2015 [Member]
Debt Instrument [Line Items]
Long-Term Debt	1,257,000,000	1,250,000,000
Average interest rate in period	5.92%	5.90%
Final maturity 2016 and Thereafter [Member]
Debt Instrument [Line Items]
Long-Term Debt	757,000,000	757,000,000
Average interest rate in period	2.57%	2.57%
Final maturity 2017 and thereafter [Member]
Debt Instrument [Line Items]
Long-Term Debt	11,162,000,000	10,503,000,000
Average interest rate in period	6.51%	6.78%
U.S. Dollar loans, Various Rates and Maturities [Member]
Debt Instrument [Line Items]
Long-Term Debt	232,000,000	20,000,000
Average interest rate in period	2.37%	1.67%
Foreign Currency Loans, Various Rates and Maturities [Member]
Debt Instrument [Line Items]
Long-Term Debt	1,609,000,000	998,000,000
Average interest rate in period	3.52%	2.95%
Medium-term Notes, Varying Maturities Through 2022 [Member]
Debt Instrument [Line Items]
Long-Term Debt	902,000,000	2,005,000,000
Average interest rate in period	4.76%	5.96%
Euro Medium-term Notes, Final Maturity 2011 [Member]
Debt Instrument [Line Items]
Long-Term Debt	0	665,000,000
Average interest rate in period	0.00%	4.63%
Pollution Control/Industrial Revenue Bonds, Varying Maturities Through 2038 [Member]
Debt Instrument [Line Items]
Long-Term Debt	$ 860,000,000	$ 907,000,000
Average interest rate in period	5.70%	5.68%