Employee Postretirement Benefits (Tables)

12 Months Ended

Dec. 31, 2016

Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]

Benefit Cost Information or Defined Benefit Plan and Other Postretirement Benefit Plan

Summarized financial information about postretirement plans, excluding defined contribution retirement plans, is presented below:



	Pension Benefits						Other Benefits
	Year Ended December 31
	2016			2015			2016			2015
Change in Benefit Obligation
Benefit obligation at beginning of year	$	3,959		$	6,860		$	717		$	788
Service cost	42			38			11			12
Interest cost	148			187			33			32
Actuarial loss (gain)	501			(150		)	41			(53		)
Currency and other	(304		)	(139		)	9			(8		)
Benefit payments from plans	(202		)	(235		)	—			—
Direct benefit payments	(15		)	(12		)	(53		)	(54		)
Settlements	(3		)	(2,590		)	—			—
Benefit obligation at end of year	4,126			3,959			758			717
Change in Plan Assets
Fair value of plan assets at beginning of year	3,508			5,914			—			—
Actual return on plan assets	413			54			—			—
Employer contributions	108			484			—			—
Currency and other	(290		)	(119		)	—			—
Benefit payments	(202		)	(235		)	—			—
Settlements	(3		)	(2,590		)	—			—
Fair value of plan assets at end of year	3,534			3,508			—			—
Funded Status	$	(592	)	$	(451	)	$	(758	)	$	(717	)

Principal Plans and all Other Pension Plans

Information for the Principal Plans and All Other Pension Plans



	Principal Plans				All Other Pension Plans				Total
	Year Ended December 31
	2016		2015		2016		2015		2016		2015
Projected benefit obligation (“PBO”)	$	3,427	$	3,295	$	699	$	664	$	4,126	$	3,959
Accumulated benefit obligation (“ABO”)	3,378		3,253		622		594		4,000		3,847
Fair value of plan assets	3,011		3,019		523		489		3,534		3,508

Pension Plans with an ABO in Excess of Plan Assets

Information for Pension Plans with an ABO in Excess of Plan Assets



	December 31
	2016		2015
PBO	$	3,807	$	2,115
ABO	3,736		2,096
Fair value of plan assets	3,243		1,696

Components of Net Periodic Benefit Cost



	Pension Benefits									Other Benefits
	Year Ended December 31
	2016			2015			2014			2016			2015			2014
Service cost	$	42		$	38		$	46		$	11		$	12		$	13
Interest cost	148			187			279			33			32			35
Expected return on plan assets^(a)	(158		)	(215		)	(332		)	—			—			—
Recognized net actuarial loss	52			75			100			—			—			—
Settlements	1			1,357			20			—			—			—
Other	(9		)	(10		)	(3		)	(1		)	(1		)	(1		)
Net periodic benefit cost	$	76		$	1,432		$	110		$	43		$	43		$	47


(a)	The expected return on plan assets is determined by multiplying the fair value of plan assets at the remeasurement date, typically the prior year-end adjusted for estimated current year cash benefit payments and contributions, by the expected long-term rate of return.

Weighted-Average Assumptions Used to Determine Net Cost

Weighted-Average Assumptions Used to Determine Net Cost for Years Ended December 31



	Pension Benefits								Other Benefits
	Projected 2017		2016		2015		2014		2016		2015		2014
Discount rate	3.19	%	3.91	%	3.86	%	4.66	%	4.59	%	4.28	%	4.97	%
Expected long-term return on plan assets	4.46	%	4.84	%	5.21	%	5.98	%	—		—		—
Rate of compensation increase	2.29	%	2.32	%	2.63	%	2.67	%	—		—		—

Weighted-Average Assumptions Used to Determine Benefit Obligations

Weighted-Average Assumptions Used to Determine Benefit Obligations at December 31



	Pension Benefits				Other Benefits
	2016		2015		2016		2015
Discount rate	3.19	%	3.91	%	4.29	%	4.59	%
Rate of compensation increase	2.29	%	2.32	%	—		—

Pension Plan Assets of the Principal Plans Measured at Fair Value



	Fair Value Measurements at December 31, 2016
	Total Plan Assets		Assets at Quoted Prices in Active Markets for Identical Assets (Level 1)		Assets at Significant Observable Inputs (Level 2)
Cash and Cash Equivalents
Held directly	$	33	$	33	$	—
Held through mutual and pooled funds measured at net asset value	17		—		—
Fixed Income
Held directly
U.S. government and municipals	122		122		—
Held through mutual and pooled funds measured at net asset value
U.S. government and municipals	128		—		—
U.S. corporate debt	648		—		—
International bonds	1,223		—		—
Equity
Held directly
U.S. equity	41		41		—
International equity	44		44		—
Held through mutual and pooled funds measured at net asset value
Non-U.S. equity	68		—		—
Global equity	687		—		—
Total Plan Assets	$	3,011	$	240	$	—

For the U.S. pension plan, Treasury futures contracts are used when appropriate to manage duration targets. As of December 31, 2016 and December 31, 2015, the U.S. plan had Treasury futures contracts in place with a total notional value of approximately $216 and $15, respectively and an insignificant fair value.



	Fair Value Measurements at December 31, 2015
	Total Plan Assets		Assets at Quoted Prices in Active Markets for Identical Assets (Level 1)		Assets at Significant Observable Inputs (Level 2)
Cash and Cash Equivalents
Held directly	$	14	$	12	$	2
Held through mutual and pooled funds measured at net asset value	34		—		—
Fixed Income
Held directly
U.S. government and municipals	157		141		16
U.S. corporate debt	21		—		21
Held through mutual and pooled funds measured at net asset value
U.S. government and municipals	149		—		—
U.S. corporate debt	623		—		—
International bonds	1,236		—		—
Equity
Held directly
U.S. equity	58		58		—
International equity	30		30		—
Held through mutual and pooled funds measured at net asset value
Non-U.S. equity	67		—		—
Global equity	630		—		—
Total Plan Assets	$	3,019	$	241	$	39

Estimated Future Benefit Payments



	Pension Benefits		Other Benefits
2017	$	225	$	59
2018	242		59
2019	239		60
2020	247		61
2021	248		62
2022-2026	1,236		303