Pensions And Other Postretirement Benefits (Tables)

12 Months Ended

Dec. 31, 2016

Defined Benefit Plan Disclosure [Line Items]

Changes in Benefit Obligations, Plan Assets and Funded Status [Table Text Block]



	Year Ended December 31, 2016									Year Ended December 31, 2015
	Pension Benefits						Global OPEB Plans			Pension Benefits						Global OPEB Plans
	U.S.			Non-U.S.			Global OPEB Plans			U.S.			Non-U.S.			Global OPEB Plans
Change in benefit obligations
Beginning benefit obligation	$	71,486		$	23,763		$	6,066		$	76,724		$	27,897		$	6,625
Service cost	220			371			18			272			405			24
Interest cost	2,212			578			201			2,754			763			238
Actuarial (gains) losses	416			1,508			230			(2,623		)	(256		)	(209		)
Benefits paid	(5,507		)	(1,474		)	(400		)	(5,641		)	(1,332		)	(407		)
Foreign currency translation adjustments	—			(638		)	45			—			(3,332		)	(225		)
Curtailments, settlements and other	—			(58		)	20			—			(382		)	20
Ending benefit obligation	68,827			24,050			6,180			71,486			23,763			6,066
Change in plan assets
Beginning fair value of plan assets	61,072			12,990			—			65,823			14,669			—
Actual return on plan assets	4,004			762			—			795			997			—
Employer contributions	2,054			1,033			378			95			1,120			385
Benefits paid	(5,507		)	(1,474		)	(400		)	(5,641		)	(1,332		)	(407		)
Foreign currency translation adjustments	—			(232		)	—			—			(2,017		)	—
Settlements and other	(1		)	(81		)	22			—			(447		)	22
Ending fair value of plan assets	61,622			12,998			—			61,072			12,990			—
Ending funded status	$	(7,205	)	$	(11,052	)	$	(6,180	)	$	(10,414	)	$	(10,773	)	$	(6,066	)
Amounts recorded in the consolidated balance sheets
Non-current assets	$	—		$	91		$	—		$	—		$	125		$	—
Current liabilities	(73		)	(324		)	(377		)	(67		)	(334		)	(381		)
Non-current liabilities	(7,132		)	(10,819		)	(5,803		)	(10,347		)	(10,564		)	(5,685		)
Net amount recorded	$	(7,205	)	$	(11,052	)	$	(6,180	)	$	(10,414	)	$	(10,773	)	$	(6,066	)
Amounts recorded in Accumulated other comprehensive loss
Net actuarial gain (loss)	$	55		$	(4,904	)	$	(901	)	$	116		$	(3,796	)	$	(689	)
Net prior service (cost) credit	27			(21		)	54			31			(33		)	63
Total recorded in Accumulated other comprehensive loss	$	82		$	(4,925	)	$	(847	)	$	147		$	(3,829	)	$	(626	)

Schedule of amounts recorded in the consolidated balance sheets [Table Text Block]



	Year Ended December 31, 2016									Year Ended December 31, 2015
	Pension Benefits						Global OPEB Plans			Pension Benefits						Global OPEB Plans
	U.S.			Non-U.S.			Global OPEB Plans			U.S.			Non-U.S.			Global OPEB Plans
Change in benefit obligations
Beginning benefit obligation	$	71,486		$	23,763		$	6,066		$	76,724		$	27,897		$	6,625
Service cost	220			371			18			272			405			24
Interest cost	2,212			578			201			2,754			763			238
Actuarial (gains) losses	416			1,508			230			(2,623		)	(256		)	(209		)
Benefits paid	(5,507		)	(1,474		)	(400		)	(5,641		)	(1,332		)	(407		)
Foreign currency translation adjustments	—			(638		)	45			—			(3,332		)	(225		)
Curtailments, settlements and other	—			(58		)	20			—			(382		)	20
Ending benefit obligation	68,827			24,050			6,180			71,486			23,763			6,066
Change in plan assets
Beginning fair value of plan assets	61,072			12,990			—			65,823			14,669			—
Actual return on plan assets	4,004			762			—			795			997			—
Employer contributions	2,054			1,033			378			95			1,120			385
Benefits paid	(5,507		)	(1,474		)	(400		)	(5,641		)	(1,332		)	(407		)
Foreign currency translation adjustments	—			(232		)	—			—			(2,017		)	—
Settlements and other	(1		)	(81		)	22			—			(447		)	22
Ending fair value of plan assets	61,622			12,998			—			61,072			12,990			—
Ending funded status	$	(7,205	)	$	(11,052	)	$	(6,180	)	$	(10,414	)	$	(10,773	)	$	(6,066	)
Amounts recorded in the consolidated balance sheets
Non-current assets	$	—		$	91		$	—		$	—		$	125		$	—
Current liabilities	(73		)	(324		)	(377		)	(67		)	(334		)	(381		)
Non-current liabilities	(7,132		)	(10,819		)	(5,803		)	(10,347		)	(10,564		)	(5,685		)
Net amount recorded	$	(7,205	)	$	(11,052	)	$	(6,180	)	$	(10,414	)	$	(10,773	)	$	(6,066	)
Amounts recorded in Accumulated other comprehensive loss
Net actuarial gain (loss)	$	55		$	(4,904	)	$	(901	)	$	116		$	(3,796	)	$	(689	)
Net prior service (cost) credit	27			(21		)	54			31			(33		)	63
Total recorded in Accumulated other comprehensive loss	$	82		$	(4,925	)	$	(847	)	$	147		$	(3,829	)	$	(626	)

Schedule of Projected Benefit Obligations in Excess of Fair Value of Plan Assets [Table Text Block]

The following table summarizes the total accumulated benefit obligations (ABO), the ABO and fair value of plan assets for defined benefit pension plans with ABO in excess of plan assets, and the PBO and fair value of plan assets for defined benefit pension plans with PBO in excess of plan assets:



	December 31, 2016				December 31, 2015
	U.S.		Non-U.S.		U.S.		Non-U.S.
ABO	$	68,813	$	23,711	$	71,475	$	23,388
Plans with ABO in excess of plan assets
ABO	$	68,813	$	23,010	$	71,475	$	22,683
Fair value of plan assets	$	61,622	$	12,205	$	61,072	$	12,160
Plans with PBO in excess of plan assets
PBO	$	68,827	$	23,352	$	71,486	$	23,052
Fair value of plan assets	$	61,622	$	12,209	$	61,072	$	12,170

Schedule of Accumulated Benefit Obligations in Excess of Fair Value of Plan Assets [Table Text Block]



	December 31, 2016				December 31, 2015
	U.S.		Non-U.S.		U.S.		Non-U.S.
ABO	$	68,813	$	23,711	$	71,475	$	23,388
Plans with ABO in excess of plan assets
ABO	$	68,813	$	23,010	$	71,475	$	22,683
Fair value of plan assets	$	61,622	$	12,205	$	61,072	$	12,160
Plans with PBO in excess of plan assets
PBO	$	68,827	$	23,352	$	71,486	$	23,052
Fair value of plan assets	$	61,622	$	12,209	$	61,072	$	12,170

Schedule of Net Periodic Pension and OPEB expense [Table Text Block]

The following table summarizes the components of net periodic pension and OPEB expense along with the assumptions used to determine benefit obligations:



	Year Ended December 31, 2016									Year Ended December 31, 2015									Year Ended December 31, 2014
	Pension Benefits						Global OPEB Plans			Pension Benefits						Global OPEB Plans			Pension Benefits						Global OPEB Plans
	U.S.			Non-U.S.			Global OPEB Plans			U.S.			Non-U.S.			Global OPEB Plans			U.S.			Non-U.S.			Global OPEB Plans
Components of expense
Service cost	$	381		$	390		$	18		$	406		$	431		$	24		$	380		$	389		$	23
Interest cost	2,212			578			201			2,754			763			238			3,060			1,031			273
Expected return on plan assets	(3,778		)	(737		)	—			(3,896		)	(798		)	—			(3,914		)	(873		)	—
Amortization of prior service cost (credit)	(4		)	14			(13		)	(4		)	15			(14		)	(4		)	17			(16		)
Amortization of net actuarial (gains) losses	(25		)	189			19			8			233			37			(91		)	154			8
Curtailments, settlements and other(a)	—			2			—			—			124			—			(1		)	3			—
Net periodic pension and OPEB (income) expense	$	(1,214	)	$	436		$	225		$	(732	)	$	768		$	285		$	(570	)	$	721		$	288
Weighted-average assumptions used to determine benefit obligations
Discount rate	3.92		%	2.72		%	3.93		%	4.06		%	3.20		%	4.13		%	3.73		%	3.14		%	3.83		%
Rate of compensation increase(b)	N/A			2.79		%	N/A			N/A			2.79		%	4.21		%	N/A			2.85		%	4.21		%
Weighted-average assumptions used to determine net expense
Discount rate	3.36		%	2.99		%	3.49		%	3.73		%	3.15		%	3.83		%	4.46		%	4.10		%	4.56		%
Expected rate of return on plan assets	6.33		%	5.98		%	N/A			6.38		%	6.23		%	N/A			6.53		%	6.28		%	N/A
Rate of compensation increase(b)	N/A			2.80		%	N/A			N/A			2.85		%	4.21		%	N/A			2.90		%	4.21		%

_________


(a)	The curtailment charges recorded in the year ended December 31, 2015 were due primarily to the GM Canada hourly pension plan that was remeasured as a result of a voluntary separation program.


(b)	As a result of ceasing the accrual of additional benefits for salaried plan participants, the rate of compensation increase does not have a significant effect on our U.S. pension and OPEB plans.

Schedule of Assumptions Used [Table Text Block]

The following table summarizes the components of net periodic pension and OPEB expense along with the assumptions used to determine benefit obligations:



	Year Ended December 31, 2016									Year Ended December 31, 2015									Year Ended December 31, 2014
	Pension Benefits						Global OPEB Plans			Pension Benefits						Global OPEB Plans			Pension Benefits						Global OPEB Plans
	U.S.			Non-U.S.			Global OPEB Plans			U.S.			Non-U.S.			Global OPEB Plans			U.S.			Non-U.S.			Global OPEB Plans
Components of expense
Service cost	$	381		$	390		$	18		$	406		$	431		$	24		$	380		$	389		$	23
Interest cost	2,212			578			201			2,754			763			238			3,060			1,031			273
Expected return on plan assets	(3,778		)	(737		)	—			(3,896		)	(798		)	—			(3,914		)	(873		)	—
Amortization of prior service cost (credit)	(4		)	14			(13		)	(4		)	15			(14		)	(4		)	17			(16		)
Amortization of net actuarial (gains) losses	(25		)	189			19			8			233			37			(91		)	154			8
Curtailments, settlements and other(a)	—			2			—			—			124			—			(1		)	3			—
Net periodic pension and OPEB (income) expense	$	(1,214	)	$	436		$	225		$	(732	)	$	768		$	285		$	(570	)	$	721		$	288
Weighted-average assumptions used to determine benefit obligations
Discount rate	3.92		%	2.72		%	3.93		%	4.06		%	3.20		%	4.13		%	3.73		%	3.14		%	3.83		%
Rate of compensation increase(b)	N/A			2.79		%	N/A			N/A			2.79		%	4.21		%	N/A			2.85		%	4.21		%
Weighted-average assumptions used to determine net expense
Discount rate	3.36		%	2.99		%	3.49		%	3.73		%	3.15		%	3.83		%	4.46		%	4.10		%	4.56		%
Expected rate of return on plan assets	6.33		%	5.98		%	N/A			6.38		%	6.23		%	N/A			6.53		%	6.28		%	N/A
Rate of compensation increase(b)	N/A			2.80		%	N/A			N/A			2.85		%	4.21		%	N/A			2.90		%	4.21		%

_________


(a)	The curtailment charges recorded in the year ended December 31, 2015 were due primarily to the GM Canada hourly pension plan that was remeasured as a result of a voluntary separation program.


(b)	As a result of ceasing the accrual of additional benefits for salaried plan participants, the rate of compensation increase does not have a significant effect on our U.S. pension and OPEB plans.

Schedule of Expected Net Benefit Payments [Table Text Block]

The following table summarizes net benefit payments expected to be paid in the future, which include assumptions related to estimated future employee service:



	Pension Benefits				Other Benefits
	U.S. Plans		Non-U.S. Plans		Global Plans
2017	$	5,476	$	1,382	$	380
2018	$	5,195	$	1,247	$	374
2019	$	5,068	$	1,242	$	369
2020	$	4,953	$	1,234	$	365
2021	$	4,762	$	1,230	$	362
2022 - 2026	$	22,157	$	5,909	$	1,775

Pension Plan [Member]

Defined Benefit Plan Disclosure [Line Items]

Schedule of contributions to defined benefit pension plans [Table Text Block]

The following table summarizes contributions made to the defined benefit pension plans:



	Years Ended December 31,
	2016		2015		2014
U.S. hourly and salaried	$	2,054	$	95	$	143
Non-U.S.	1,033		1,120		770
Total	$	3,087	$	1,215	$	913

Schedules of Fair Value of Plan Assets by Asset Class and Target Allocations [Table Text Block]

The following table summarizes the target allocations by asset category for U.S. and non-U.S. defined benefit pension plans:



	December 31, 2016				December 31, 2015
	U.S.		Non-U.S.		U.S.		Non-U.S.
Equity	15	%	21	%	14	%	21	%
Debt	61	%	50	%	62	%	50	%
Other(a)	24	%	29	%	24	%	29	%
Total	100	%	100	%	100	%	100	%

__________


(a)	Primarily includes private equity, real estate and absolute return strategies which mainly consist of hedge funds.

Assets and Fair Value Measurements The following tables summarize the fair value of U.S. and non-U.S. defined benefit pension plan assets by asset class:



	December 31, 2016								December 31, 2015
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
U.S. Pension Plan Assets
Common and preferred stocks	$	8,288	$	35	$	3	$	8,326	$	7,637	$	18	$	8	$	7,663
Government and agency debt securities(a)	—		11,374		—		11,374		—		14,318		—		14,318
Corporate and other debt securities	—		25,452		—		25,452		—		22,963		1		22,964
Other investments, net	486		288		403		1,177		466		130		472		1,068
Net plan assets subject to leveling	$	8,774	$	37,149	$	406	46,329		$	8,103	$	37,429	$	481	46,013
Plan assets measured at net asset value
Investment funds							6,509								6,321
Private equity and debt investments							4,012								4,529
Real estate investments							3,634								3,828
Total plan assets measured at net asset value							14,155								14,678
Other plan assets, net(b)							1,138								381
Net plan assets							$	61,622							$	61,072



	December 31, 2016									December 31, 2015
	Level 1		Level 2		Level 3		Total			Level 1		Level 2		Level 3		Total
Non-U.S. Pension Plan Assets
Common and preferred stocks	$	984	$	3	$	—	$	987		$	1,079	$	1	$	1	$	1,081
Government and agency debt securities(a)	—		3,222		—		3,222			—		3,258		—		3,258
Corporate and other debt securities	—		2,044		3		2,047			—		1,953		1		1,954
Other investments, net	37		152		595		784			47		47		642		736
Net plan assets subject to leveling	$	1,021	$	5,421	$	598	7,040			$	1,126	$	5,259	$	644	7,029
Plan assets measured at net asset value
Investment funds							4,449									4,475
Private equity and debt investments							546									529
Real estate investments							1,092									1,095
Total plan assets measured at net asset value							6,087									6,099
Other plan assets (liabilities), net(b)							(129		)							(138		)
Net plan assets							$	12,998								$	12,990

__________


(a)	Includes U.S. and sovereign government and agency issues.


(b)	Cash held by the plans, net of amounts receivable/payable for unsettled security transactions and payables for investment manager fees, custody fees and other expenses.