Pensions and Postretirement Benefits Other than Pensions (Tables)

12 Months Ended

Dec. 31, 2019

Dec. 31, 2018

Defined Benefit Plan, Assumptions [Table Text Block]

Weighted-average assumptions used to determine net periodic pension cost for the years ended December 31 are as follows:

	2019		2018		2017
Discount rate:
U.S. plans
Service cost	4.24	%	3.70	%	4.18	%
Interest cost	3.88	%	3.24	%	3.36	%
Non-U.S. plans
Service cost	2.81	%	2.52	%	2.66	%
Interest cost	2.83	%	2.46	%	2.50	%
Rate of compensation increase:
U.S. plans	4.00	%	4.00	%	4.00	%
Non-U.S. plans	4.00	%	4.00	%	4.00	%
Expected return on plan assets:
U.S. plans	5.75	%	5.50	%	5.50	%
Non-U.S. plans	3.25	%	3.25	%	3.25	%

Multiemployer Plans Disclosure

Total contributions to multiemployer plans for the years ended December 31 were as follows:

In millions	2019		2018		2017
Total contributions	$	10.4	$	9.8	$	9.0

Pension Plans [Member]

Schedule of Changes in Projected Benefit Obligations [Table Text Block]

The following table details information regarding the Company’s pension plans at December 31:

In millions	2019			2018
Change in benefit obligations:
Benefit obligation at beginning of year	$	3,465.3		$	3,742.2
Service cost	73.6			75.0
Interest cost	119.1			109.7
Employee contributions	1.1			1.1
Amendments	5.7			16.1
Actuarial (gains) losses	422.8			(224.8		)
Benefits paid	(225.3		)	(218.9		)
Currency translation	9.0			(34.8		)
Curtailments, settlements and special termination benefits	(3.1		)	(4.6		)
Other, including expenses paid	(17.0		)	4.3
Benefit obligation at end of year	$	3,851.2		$	3,465.3
Change in plan assets:
Fair value at beginning of year	$	2,766.9		$	3,063.1
Actual return on assets	526.1			(125.9		)
Company contributions	83.1			86.9
Employee contributions	1.1			1.1
Benefits paid	(225.3		)	(218.9		)
Currency translation	12.0			(32.8		)
Settlements	(5.3		)	(9.8		)
Other, including expenses paid	(21.8		)	3.2
Fair value of assets end of year	$	3,136.8		$	2,766.9
Net unfunded liability	$	(714.4	)	$	(698.4	)
Amounts included in the balance sheet:
Other noncurrent assets	$	50.4		$	49.9
Accrued compensation and benefits	(8.7		)	(25.9		)
Postemployment and other benefit liabilities	(756.1		)	(722.4		)
Net amount recognized	$	(714.4	)	$	(698.4	)

Schedule of Comprehensive Income (Loss) [Table Text Block]

The pretax amounts recognized in Accumulated other comprehensive income (loss) are as follows:

In millions	Prior service benefit (cost)			Net actuarial gains (losses)			Total
December 31, 2018	$	(31.2	)	$	(820.6	)	$	(851.8	)
Current year changes recorded to AOCI	(5.7		)	(35.2		)	(40.9		)
Amortization reclassified to earnings	5.0			54.3			59.3
Settlements/curtailments reclassified to earnings	—			2.2			2.2
Currency translation and other	(0.5		)	(0.9		)	(1.4		)
December 31, 2019	$	(32.4	)	$	(800.2	)	$	(832.6	)

Defined Benefit Plan, Assumptions [Table Text Block]

Weighted-average assumptions used to determine the benefit obligation at December 31 are as follows:

	2019		2018
Discount rate:
U.S. plans	3.22	%	4.21	%
Non-U.S. plans	1.66	%	2.47	%
Rate of compensation increase:
U.S. plans	4.00	%	4.00	%
Non-U.S. plans	3.75	%	4.00	%

Schedule of Expected Benefit Payments [Table Text Block]

Pension benefit payments are expected to be paid as follows:

In millions
2020	$	215.3
2021	219.1
2022	226.1
2023	230.7
2024	221.0
2025-2029	1,136.7

Schedule of Net Benefit Costs [Table Text Block]

The components of the Company’s net periodic pension benefit costs for the years ended December 31 include the following:

In millions	2019			2018			2017
Service cost	$	73.6		$	75.0		$	70.8
Interest cost	119.1			109.7			109.0
Expected return on plan assets	(138.5		)	(146.6		)	(141.7		)
Net amortization of:
Prior service costs (benefits)	5.0			4.2			3.8
Plan net actuarial (gains) losses	54.3			51.3			56.8
Net periodic pension benefit cost	113.5			93.6			98.7
Net curtailment, settlement, and special termination benefits (gains) losses	4.5			2.3			5.6
Net periodic pension benefit cost after net curtailment and settlement (gains) losses	$	118.0		$	95.9		$	104.3
Amounts recorded in continuing operations:
Operating income	$	69.8		$	72.7		$	68.2
Other income/(expense), net	36.1			14.6			25.4
Amounts recorded in discontinued operations	12.1			8.6			10.7
Total	$	118.0		$	95.9		$	104.3

Schedule of Defined Benefit Plans Disclosures [Table Text Block]

The fair values of the Company’s pension plan assets at December 31, 2019 by asset category are as follows:

	Fair value measurements						Net asset value		Total fair value
In millions	Level 1		Level 2		Level 3
Cash and cash equivalents	$	7.0	$	26.3	$	—	$	—	$	33.3
Equity investments:
Registered mutual funds – equity specialty	—		—		—		61.5		61.5
Commingled funds – equity specialty	—		—		—		665.2		665.2
	—		—		—		726.7		726.7
Fixed income investments:
U.S. government and agency obligations	—		528.5		—		—		528.5
Corporate and non-U.S. bonds(a)	—		1,393.0		0.4		—		1,393.4
Asset-backed and mortgage-backed securities	—		70.9		—		—		70.9
Registered mutual funds – fixed income specialty	—		—		—		103.3		103.3
Commingled funds – fixed income specialty	—		—		—		127.6		127.6
Other fixed income(b)	—		—		26.0		—		26.0
	—		1,992.4		26.4		230.9		2,249.7
Derivatives	—		0.4		—		—		0.4
Real estate(c)	—		—		3.4		—		3.4
Other(d)	—		—		114.1		—		114.1
Total assets at fair value	$	7.0	$	2,019.1	$	143.9	$	957.6	$	3,127.6
Receivables and payables, net									9.2
Net assets available for benefits									$	3,136.8

The fair values of the Company’s pension plan assets at December 31, 2018 by asset category are as follows:

	Fair value measurements							Net asset value		Total fair value
In millions	Level 1		Level 2			Level 3
Cash and cash equivalents	$	4.0	$	26.8		$	—	$	—	$	30.8
Equity investments:
Registered mutual funds – equity specialty	—		—			—		51.1		51.1
Commingled funds – equity specialty	—		—			—		520.7		520.7
	—		—			—		571.8		571.8
Fixed income investments:
U.S. government and agency obligations	—		476.2			—		—		476.2
Corporate and non-U.S. bonds(a)	—		1,225.8			—		—		1,225.8
Asset-backed and mortgage-backed securities	—		67.3			—		—		67.3
Registered mutual funds – fixed income specialty	—		—			—		135.1		135.1
Commingled funds – fixed income specialty	—		—			—		117.7		117.7
Other fixed income(b)	—		—			24.8		—		24.8
	—		1,769.3			24.8		252.8		2,046.9
Derivatives	—		(0.4		)	—		—		(0.4		)
Real estate(c)	—		—			4.1		—		4.1
Other(d)	—		—			101.6		—		101.6
Total assets at fair value	$	4.0	$	1,795.7		$	130.5	$	824.6	$	2,754.8
Receivables and payables, net										12.1
Net assets available for benefits										$	2,766.9

(a) This class includes state and municipal bonds.

(b) This class includes group annuity and guaranteed interest contracts.

(c) This class includes a private equity fund that invests in real estate.

(d)

Postretirement [Member]

Schedule of Changes in Projected Benefit Obligations [Table Text Block]

The following table details changes in the Company’s postretirement plan benefit obligations for the years ended December 31:

In millions	2019			2018
Benefit obligation at beginning of year	$	442.7		$	528.0
Service cost	2.6			2.8
Interest cost	14.8			14.4
Plan participants’ contributions	7.7			9.1
Actuarial (gains) losses	6.7			(60.4		)
Benefits paid, net of Medicare Part D subsidy (1)	(45.6		)	(50.2		)
Other	(0.1		)	(1.0		)
Benefit obligations at end of year	$	428.8		$	442.7

(1) Amounts are net of Medicare Part D subsidy of $0.8 million and $0.9 million in 2019 and 2018, respectively

Schedule of Comprehensive Income (Loss) [Table Text Block]

The pre-tax amounts recognized in Accumulated other comprehensive income (loss) were as follows:

In millions	Prior service benefit (cost)			Net actuarial gains (losses)			Total
Balance at December 31, 2018	$	0.3		$	90.4		$	90.7
Gain (loss) in current period	—			(6.7		)	(6.7		)
Amortization reclassified to earnings	(0.3		)	(10.9		)	(11.2		)
Balance at December 31, 2019	$	—		$	72.8		$	72.8

Defined Benefit Plan, Assumptions [Table Text Block]

	2019		2018		2017
Discount rate:
Benefit obligations at December 31	2.99	%	4.05	%	3.38	%
Net periodic benefit cost
Service cost	4.13	%	3.47	%	3.82	%
Interest cost	3.67	%	2.94	%	2.99	%
Assumed health-care cost trend rates at December 31:
Current year medical inflation	6.75	%	6.45	%	6.85	%
Ultimate inflation rate	4.75	%	5.00	%	5.00	%
Year that the rate reaches the ultimate trend rate	2028		2023		2023

Schedule of Expected Benefit Payments [Table Text Block]

Benefit payments for postretirement benefits, which are net of expected plan participant contributions and Medicare Part D subsidy, are expected to be paid as follows:

In millions
2020	$	41.9
2021	41.5
2022	39.5
2023	37.1
2024	35.0
2025 — 2029	142.7

Schedule of Net Funded Status [Table Text Block]

The benefit plan obligations are reflected in the Consolidated Balance Sheets as follows:

In millions	December 31, 2019			December 31, 2018
Accrued compensation and benefits	$	(41.0	)	$	(45.1	)
Postemployment and other benefit liabilities	(387.8		)	(397.6		)
Total	$	(428.8	)	$	(442.7	)

Schedule of Costs of Retirement Plans [Table Text Block]

The components of net periodic postretirement benefit (income) cost for the years ended December 31 were as follows:

In millions	2019			2018			2017
Service cost	$	2.6		$	2.8		$	3.1
Interest cost	14.8			14.4			15.7
Net amortization of:
Prior service costs (benefits)	(0.3		)	(3.8		)	(8.6		)
Net actuarial (gains) losses	(10.9		)	(1.0		)	0.1
Net periodic postretirement benefit cost	$	6.2		$	12.4		$	10.3
Amounts recorded in continuing operations:
Operating income	$	2.6		$	2.8		$	3.1
Other income/(expense), net	3.2			7.3			5.6
Amounts recorded in discontinued operations	0.4			2.3			1.6
Total	$	6.2		$	12.4		$	10.3

Schedule of Effect of One-Percentage-Point Change in Assumed Health Care Cost Trend Rates [Table Text Block]

A 1% change in the assumed medical trend rate would have the following effects as of and for the year ended December 31, 2019:

In millions	1% Increase		1% Decrease
Effect on total of service and interest cost components of current year benefit cost	$	0.5	$	(0.4	)
Effect on benefit obligation at year-end	11.8		(10.6		)