COMMITMENTS AND CONTINGENT LIABILITIES (Environmental Matters) (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Loss Contingencies [Line Items]
Environmental Remediation Expense	$ 261	$ 158	$ 269
Capital expenditures for environmental protection	170	173	219
Accrual for Environmental Loss Contingencies [Roll Forward]
Accrued Obligations for Environmental Matters, beginning balance	607	619
Accrued Obligations for Environmental Matters, Additional accruals	286	159
Accrued Obligations for Environmental Matters, Charges Against Reserve	(149)	(171)
Accrued Obligations for Environmental Matters, Foreign currency impact	(11)	0
Accrued Obligations for Environmental Matters, ending balance	733	607	619
Accrual For Environmental Loss Contingencies Midland Offsite Matters [Member]
Accrual for Environmental Loss Contingencies [Roll Forward]
Accrued Obligations for Environmental Matters, ending balance	40	32
Accrual For Environmental Loss Contingencies Superfund Sites [Member]
Accrual for Environmental Loss Contingencies [Roll Forward]
Accrued Obligations for Environmental Matters, ending balance	69	59
Accrual For Environmental Loss Contingencies Brazil [Member]
Accrual for Environmental Loss Contingencies [Roll Forward]
Accrued Obligations for Environmental Matters, ending balance	$ 50