Retirement Plans and Profit Sharing Arrangements (Tables)

12 Months Ended

Dec. 31, 2014

Defined Benefit Plans

Schedule of components of net periodic pension cost [Table Text Block]

The components of the net periodic benefit cost for all pension plans were as follows:

	Years Ended December 31,
	2014			2013			2012
	(in millions)
Service cost	$	43		$	46		$	41
Interest cost	28			23			24
Expected return on plan assets	(38		)	(33		)	(30		)
Amortization of prior service costs	(1		)	(1		)	(1		)
Amortization of net loss	7			11			7
Other	3			2			4
Net periodic benefit cost	$	42		$	48		$	45

Schedule of amounts recognized in the Consolidated Balance Sheets [Table Text Block]

The following table provides the amounts recognized in the Consolidated Balance Sheets, which equal the funded status of the Company’s pension plans:

	December 31,
	2014			2013
	(in millions)
Benefit liability	$	(178	)	$	(136	)
Benefit asset	14			4
Net amount recognized	$	(164	)	$	(132	)

Accumulated benefit obligations in excess of the fair value of plan assets [Table Text Block]

The accumulated benefit obligation and fair value of plan assets for pension plans with accumulated benefit obligations that exceeded the fair value of plan assets were as follows:

	December 31,
	2014		2013
	(in millions)
Accumulated benefit obligation	$	582	$	514
Fair value of plan assets	449		418

Projected benefit obligations in excess of the fair value of plan assets [Table Text Block]

The projected benefit obligation and fair value of plan assets for pension plans with projected benefit obligations that exceeded the fair value of plan assets were as follows:

	December 31,
	2014		2013
	(in millions)
Projected benefit obligation	$	628	$	554
Fair value of plan assets	449		418

Schedule of weighted average assumptions used to determine benefit obligations [Table Text Block]

The weighted average assumptions used to determine benefit obligations for pension plans were as follows:

	2014		2013
Discount rates	3.44	%	4.06	%
Rates of increase in compensation levels	4.35		4.38

Schedule of Assumptions Used [Table Text Block]

The weighted average assumptions used to determine net periodic benefit cost for pension plans were as follows:

	2014		2013		2012
Discount rates	4.06	%	3.45	%	4.15	%
Rates of increase in compensation levels	4.38		4.36		4.27
Expected long-term rates of return on assets	7.58		7.62		7.69

Schedule of pension plan assets measured at fair value on a recurring basis [Table Text Block]

The following tables present the Company’s pension plan assets measured at fair value on a recurring basis:

	December 31, 2014
Asset Category	Level 1		Level 2		Level 3		Total
Equity securities:	(in millions)
U.S. large cap stocks	$	74	$	84	$	—	$	158
U.S. small cap stocks	59		1		—		60
Non-U.S. large cap stocks	21		33		—		54
Non-U.S. small cap stocks	18		—		—		18
Emerging markets	15		24		—		39
Debt securities:
U.S. investment grade bonds	19		15		—		34
U.S. high yield bonds	—		27		—		27
Non-U.S. investment grade bonds	—		15		—		15
Real estate investment trusts	—		—		14		14
Hedge funds	—		—		21		21
Pooled pension funds	—		144		—		144
AVC assets (pooled pension funds)	—		19		—		19
Cash equivalents	9		—		—		9
Total	$	215	$	362	$	35	$	612

	December 31, 2013
Asset Category	Level 1		Level 2		Level 3		Total
Equity securities:	(in millions)
U.S. large cap stocks	$	97	$	43	$	—	$	140
U.S. small cap stocks	55		1		—		56
Non-U.S. large cap stocks	21		35		—		56
Non-U.S. small cap stocks	21		—		—		21
Emerging markets	14		23		—		37
Debt securities:
U.S. investment grade bonds	17		14		—		31
U.S. high yield bonds	—		21		—		21
Non-U.S. investment grade bonds	—		14		—		14
Real estate investment trusts	—		—		2		2
Hedge funds	—		—		20		20
Pooled pension funds	—		126		—		126
Cash equivalents	20		—		—		20
Total	$	245	$	277	$	22	$	544

Summary of changes in Level 3 assets measured at fair value on a recurring basis [Table Text Block]

The following table provides a summary of changes in Level 3 assets measured at fair value on a recurring basis:

Asset Category	Real Estate Investment Trusts			Hedge Funds
	(in millions)
Balance at January 1, 2012	$	11		$	12
Actual return on plan assets:
Relating to assets still held at the reporting date	—			1
Purchases	1			5
Balance at December 31, 2012	12			18
Actual return on plan assets:
Relating to assets still held at the reporting date	—			2
Purchases	2			—
Sales	(12		)	—
Balance at December 31, 2013	2			20
Actual return on plan assets:
Relating to assets still held at the reporting date	1			1
Purchases	11			—
Sales	—			—
Balance at December 31, 2014	$	14		$	21

Pension Plans [Member]

Defined Benefit Plans

Reconciliation of the changes in the defined postretirement benefit plan obligation [Table Text Block]

The following tables provide a reconciliation of the changes in the benefit obligation and fair value of assets for the pension plans:

	2014			2013
	(in millions)
Benefit obligation, January 1	$	676		$	643
Service cost	43			46
Interest cost	28			23
Benefits paid	(7		)	(7		)
Actuarial (gain) loss	30			(8		)
Settlements	(20		)	(23		)
Foreign currency rate changes	(8		)	2
Additional voluntary contribution ("AVC") obligation	34			—
Benefit obligation, December 31	$	776		$	676

Reconciliation of the changes in the fair value of plan assets for the pension plans [Table Text Block]

	2014			2013
	(in millions)
Fair value of plan assets, January 1	$	544		$	437
Actual return on plan assets	37			85
Employer contributions	47			50
Benefits paid	(7		)	(7		)
Settlements	(20		)	(23		)
Foreign currency rate changes	(8		)	2
AVC asset	19			—
Fair value of plan assets, December 31	$	612		$	544

Schedule of expected benefit payments to retirees under retirement plans [Table Text Block]

The Company’s pension plans expect to make benefit payments to retirees as follows:

	(in millions)
2015	$	62
2016	67
2017	66
2018	69
2019	74
2020-2024	302

Summary of unrealized losses included in other comprehensive income (loss) [Table Text Block]

The following is a summary of unrealized losses included in other comprehensive income (loss) related to the Company’s defined benefit plans:

	2014			2013			2012
	(in millions)
Net unrealized defined benefit losses at January 1	$	(46	)	$	(91	)	$	(75	)
Net gains (losses)	(37		)	71			(23		)
Prior service credit	(1		)	(2		)	(2		)
Income tax (provision) benefit	13			(24		)	9
Net unrealized defined benefit losses at December 31	$	(71	)	$	(46	)	$	(91	)

Other Postretirement Benefit Plan [Member]

Defined Benefit Plans

Reconciliation of the changes in the defined postretirement benefit plan obligation [Table Text Block]

The following table provides a reconciliation of the changes in the defined benefit postretirement plan obligation:

	2014			2013
	(in millions)
Benefit obligation, January 1	$	18		$	20
Interest cost	1			1
Benefits paid	(4		)	(4		)
Participant contributions	3			2
Actuarial gain	—			(1		)
Benefit obligation, December 31	$	18		$	18

Schedule of Assumptions Used [Table Text Block]

The weighted average assumptions used to determine benefit obligations for other postretirement benefits were as follows:

	2014		2013
Discount rates	3.60	%	4.25	%
Healthcare cost increase rates:
Next year trend rate	6.00		6.00
Ultimate trend rate	5.00		5.00
Years to ultimate trend rate	4		2

Schedule of expected benefit payments to retirees under retirement plans [Table Text Block]

The Company’s defined benefit postretirement plans expect to make benefit payments to retirees as follows:

	(in millions)
2015	$	2
2016	2
2017	2
2018	2
2019	2
2020-2024	7