PENSION PLANS AND OTHER POSTRETIREMENT BENEFITS (Tables)

9 Months Ended

Sep. 30, 2012

Compensation and Retirement Disclosure [Abstract]

Schedule of Defined Benefit Plans Disclosures [Table Text Block]

Net Periodic Benefit Cost for All Significant Plans	Three Months Ended						Nine Months Ended
In millions	Sep 30, 2012			Sep 30, 2011			Sep 30, 2012			Sep 30, 2011
Defined Benefit Pension Plans:
Service cost	$	95		$	88		$	285		$	260
Interest cost	274			282			822			842
Expected return on plan assets	(316		)	(329		)	(948		)	(978		)
Amortization of prior service cost	6			7			19			21
Amortization of net loss	130			94			390			280
Net periodic benefit cost	$	189		$	142		$	568		$	425
Other Postretirement Benefits:
Service cost	$	4		$	4		$	12		$	10
Interest cost	23			25			69			75
Expected return on plan assets	—			(1		)	—			(3		)
Amortization of prior service credit	(1		)	—			(3		)	—
Net periodic benefit cost	$	26		$	28		$	78		$	82