VARIABLE INTEREST ENTITIES (Tables)

12 Months Ended

Dec. 31, 2010

Variable Interest Entity, Primary Beneficiary [Member]

Schedule of Variable Interest Entities, Carrying Amount of Assets and Liabilities [Table Text Block]

Assets and Liabilities of Consolidated VIEs  In millions	Dec 31, 2010		Dec 31, 2009
Current assets (restricted 2010: $228)	$	228	$	102
Property (restricted 2010: $1,388)	1,388		455
Other noncurrent assets (restricted 2010: $122)	122		81
Total assets	$	1,738	$	638
Current liabilities (nonrecourse 2010: $190)	$	837	$	183
Long-term debt (nonrecourse 2010: $167)	513		125
Other noncurrent liabilities (nonrecourse 2010: $64)	64		43
Total liabilities	$	1,414	$	351

Assets and Liabilities of Newly Consolidated Variable Interest Entities Included in the Consolidated Balance Sheet [Member]

Schedule of Variable Interest Entities, Carrying Amount of Assets and Liabilities [Table Text Block]

Assets and Liabilities of Newly Consolidated VIEs Included in the  Consolidated Balance Sheet In millions	Jan 1, 2010
Current assets	$	37
Property	209
Other noncurrent assets	3
Total assets	$	249
Current liabilities	$	76
Long-term debt	346
Total liabilities	$	422