Pension and Other Postretirement Benefits

9 Months Ended

Sep. 30, 2011

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						Nine Months Ended
In millions	Sep 30, 2011			Sep 30, 2010			Sep 30, 2011			Sep 30, 2010
Defined Benefit Pension Plans:
Service cost	$	6		$	4		$	18		$	12
Interest cost	50			52			150			156
Expected return on plan assets	(64		)	(66		)	(190		)	(198		)
Amortization of prior service cost	2			2			6			6
Amortization of net loss	21			15			63			45
Net periodic benefit cost	$	15		$	7		$	47		$	21
Other Postretirement Benefits:
Interest cost	$	5		$	6		$	15		$	18
Net periodic benefit cost	$	5		$	6		$	15		$	18