Retirement Plans and Profit Sharing Arrangements (Tables)

12 Months Ended

Dec. 31, 2016

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

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



	Pension Plans						Other Postretirement Plans
	2016			2015			2016			2015
	(in millions)
Benefit obligation, January 1	$	812		$	776		$	18		$	18
Service cost	44			46			—			—
Interest cost	29			27			1			1
Benefits paid	(8		)	(6		)	(4		)	(3		)
Actuarial (gain) loss	65			(3		)	—			—
Plan change	—			—			(2		)	—
Participant contributions	—			—			2			2
Settlements	(18		)	(20		)	—			—
Foreign currency rate changes	(25		)	(8		)	—			—
Benefit obligation, December 31	$	899		$	812		$	15		$	18

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

The following table provides the amounts recognized in the Consolidated Balance Sheets at December 31, which equal the funded status of the plans:



	Pension Plans						Other Postretirement Plans
	2016			2015			2016			2015
	(in millions)
Benefit liability	$	(271	)	$	(223	)	$	(15	)	$	(18	)
Benefit asset	—			19			—			—
Net amount recognized	$	(271	)	$	(204	)	$	(15	)	$	(18	)

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

The following table provides information for pension plans with benefit obligations in excess of plan assets:



	December 31,
	2016		2015
	(in millions)
Pension plans with accumulated benefit obligations in excess of plan assets
Accumulated benefit obligation	$	684	$	620
Fair value of plan assets	469		446
Pension plans with projected benefit obligations in excess of plan assets
Projected benefit obligation	$	899	$	668
Fair value of plan assets	628		446

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

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



	Pension Plans				Other Postretirement Plans
	2016		2015		2016		2015
Discount rates	3.66	%	3.66	%	3.77	%	3.90	%
Rates of increase in compensation levels	4.39		4.36		N/A		N/A
Healthcare cost increase rates:
Next year trend rate	N/A		N/A		N/A		5.75
Ultimate trend rate	N/A		N/A		N/A		5.00
Years to ultimate trend rate	N/A		N/A		N/A		3

Schedule of Assumptions Used [Table Text Block]

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



	2016		2015		2014
Discount rates	3.67	%	3.43	%	4.06	%
Rates of increase in compensation levels	4.43		4.41		4.38
Expected long-term rates of return on assets	6.98		7.10		7.58

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:



Asset Category	December 31, 2016
	Level 1		Level 2		Level 3		Total
	(in millions)
Equity securities:
U.S. large cap stocks	$	73	$	76	$	—	$	149
U.S. small cap stocks	69		4		—		73
Non-U.S. large cap stocks	22		34		—		56
Non-U.S. small cap stocks	21		—		—		21
Emerging markets	14		23		—		37
Debt securities:
U.S. investment grade bonds	26		10		—		36
U.S. high yield bonds	—		24		—		24
Non-U.S. investment grade bonds	—		14		—		14
Real estate investment trusts at NAV	—		—		—		17		⁽¹⁾
Hedge funds at NAV	—		—		—		26		⁽¹⁾
Pooled pension funds	—		142		—		142
AVC assets (pooled pension funds)	—		17		—		17
Cash equivalents	16		—		—		16
Total	$	241	$	344	$	—	$	628



Asset Category	December 31, 2015
	Level 1		Level 2		Level 3		Total
	(in millions)
Equity securities:
U.S. large cap stocks	$	74	$	83	$	—	$	157
U.S. small cap stocks	55		3		—		58
Non-U.S. large cap stocks	21		34		—		55
Non-U.S. small cap stocks	21		—		—		21
Emerging markets	14		21		—		35
Debt securities:
U.S. investment grade bonds	19		14		—		33
U.S. high yield bonds	—		26		—		26
Non-U.S. investment grade bonds	—		14		—		14
Real estate investment trusts at NAV	—		—		—		16		⁽¹⁾
Hedge funds at NAV	—		—		—		21		⁽¹⁾
Pooled pension funds	—		143		—		143
AVC assets (pooled pension funds)	—		19		—		19
Cash equivalents	10		—		—		10
Total	$	214	$	357	$	—	$	608

⁽¹⁾Amounts are comprised of certain investments that are measured at fair value using the NAV per share (or its equivalent) as a practical expedient and have not been classified in the fair value hierarchy. See Note 2 for further information.

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:



	Pension Plans		Other Postretirement Plans
2017	$	71	$	1
2018	54		1
2019	51		1
2020	64		1
2021	64		1
2022-2026	351		5

Pension Plans [Member]

Defined Benefit Plans

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

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



	Years Ended December 31,
	2016			2015			2014
	(in millions)
Service cost	$	44		$	46		$	43
Interest cost	29			27			28
Expected return on plan assets	(41		)	(40		)	(38		)
Amortization of prior service costs	(1		)	(1		)	(1		)
Amortization of net loss	6			9			7
Other	4			4			3
Net periodic benefit cost	$	41		$	45		$	42

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

The following table provides a reconciliation of changes in the fair value of assets:



	Pension Plans
	2016			2015
	(in millions)
Fair value of plan assets, January 1	$	608		$	612
Actual return on plan assets	62			(9		)
Employer contributions	13			40
Benefits paid	(8		)	(6		)
Settlements	(18		)	(20		)
Foreign currency rate changes	(29		)	(9		)
Fair value of plan assets, December 31	$	628		$	608