NOTES PAYABLE AND LONG-TERM DEBT (Tables)

12 Months Ended

Dec. 31, 2012

Debt Disclosure [Abstract]

Schedule of Short-term Debt [Table Text Block]

Notes Payable at December 31 In millions	2012			2011
Notes payable - related companies	$	40		$	15
Year-end average interest rates	0.86		%	0.95		%

Schedule of Long-term Debt Instruments [Table Text Block]

Long-Term Debt at December 31	2012					2011
	Average					Average
In millions	Rate		2012			Rate		2011
Promissory notes and debentures:
Debentures due 2023	7.875	%	$	175		7.875	%	$	175
Debentures due 2025	6.79	%	12			6.79	%	12
Debentures due 2025	7.50	%	150			7.50	%	150
Debentures due 2096	7.75	%	135			7.75	%	135
Other facilities:
Pollution control/industrial revenue bonds	—		—			5.09	%	37
Unamortized debt discount	—		(1		)	—		(2		)
Long-term debt due within one year			—					(37		)
Total long-term debt			$	471				$	470