Pension and Other Postretirement Benefits

3 Months Ended

Mar. 31, 2012

Compensation and Retirement Disclosure [Abstract]

Pension and Other Postretirement Benefits Disclosure [Text Block]

PENSION AND OTHER POSTRETIREMENT BENEFITS

Net Periodic Benefit Cost for All Significant Plans	Three Months Ended
In millions	Mar 31, 2012			Mar 31, 2011
Defined Benefit Pension Plans:
Service cost	$	7		$	6
Interest cost	47			50
Expected return on plan assets	(59		)	(63		)
Amortization of prior service cost	2			2
Amortization of net loss	15			21
Net periodic benefit cost	$	12		$	16
Other Postretirement Benefits:
Interest cost	$	4		$	5
Net periodic benefit cost	$	4		$	5