PENSION PLANS AND OTHER POSTRETIREMENT BENEFITS (Tables)

9 Months Ended

Sep. 30, 2012

Compensation and Retirement Disclosure [Abstract]

Net Periodic Benefit Cost for All Significant Plans

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	$	7		$	6		$	21		$	18
Interest cost	47			50			141			150
Expected return on plan assets	(59		)	(64		)	(177		)	(190		)
Amortization of prior service cost	2			2			6			6
Amortization of net loss	15			21			45			63
Net periodic benefit cost	$	12		$	15		$	36		$	47
Other Postretirement Benefits:
Interest cost	$	4		$	5		$	12		$	15
Net periodic benefit cost	$	4		$	5		$	12		$	15