Pensions and Postretirement Benefits Other than Pensions (Tables)

6 Months Ended

Jun. 30, 2014

Pension Plan, Defined Benefit [Member]

Schedule of Net Periodic Benefit Cost

	Three months ended						Six months ended
In millions	2014			2013			2014			2013
Service cost	$	17.3		$	23.0		$	34.6		$	46.1
Interest cost	37.0			39.1			73.9			78.3
Expected return on plan assets	(39.3		)	(41.9		)	(78.5		)	(83.9		)
Net amortization of:
Prior service costs	1.0			1.2			2.1			2.4
Plan net actuarial losses	9.0			15.5			18.0			31.0
Net periodic pension benefit cost	25.0			36.9			50.1			73.9
Net curtailment and settlement losses	3.7			—			3.7			—
Net periodic pension benefit cost after net curtailment and  settlement losses	$	28.7		$	36.9		$	53.8		$	73.9
Amounts recorded in continuing operations	$	26.9		$	29.7		$	50.2		$	59.4
Amounts recorded in discontinued operations	1.8			7.2			3.6			14.5
Total	$	28.7		$	36.9		$	53.8		$	73.9

Other Postretirement Benefit Plan, Defined Benefit [Member]

Schedule of Net Periodic Benefit Cost

The components of net periodic postretirement benefit cost for the three and six months ended June 30 were as follows:

	Three months ended						Six months ended
In millions	2014			2013			2014			2013
Service cost	$	1.3		$	1.7		$	2.6		$	3.4
Interest cost	7.3			6.7			14.6			13.4
Net amortization of:
Prior service gains	(2.2		)	(2.6		)	(4.4		)	(5.2		)
Net actuarial losses	—			2.7			—			5.4
Net periodic postretirement benefit cost	$	6.4		$	8.5		$	12.8		$	17.0
Amounts recorded in continuing operations	$	4.2		$	5.3		$	8.4		$	10.6
Amounts recorded in discontinued operations	2.2			3.2			4.4			6.4
Total	$	6.4		$	8.5		$	12.8		$	17.0