Restructuring (Tables)

12 Months Ended

Dec. 31, 2017

The following table summarizes the charges related to restructuring program activities by type of cost:



	Separation Costs		Accelerated Depreciation		Other		Total
Year Ended December 31, 2017
Materials and production	$	—	$	52	$	86	$	138
Marketing and administrative	—		2		—		2
Research and development	—		6		5		11
Restructuring costs	552		—		224		776
	$	552	$	60	$	315	$	927
Year Ended December 31, 2016
Materials and production	$	—	$	77	$	104	$	181
Marketing and administrative	—		8		87		95
Research and development	—		142		—		142
Restructuring costs	216		—		435		651
	$	216	$	227	$	626	$	1,069
Year Ended December 31, 2015
Materials and production	$	—	$	78	$	283	$	361
Marketing and administrative	—		59		19		78
Research and development	—		37		15		52
Restructuring costs	208		—		411		619
	$	208	$	174	$	728	$	1,110

The following table summarizes the charges and spending relating to restructuring program activities:



	Separation Costs			Accelerated Depreciation			Other			Total
Restructuring reserves January 1, 2016	$	592		$	—		$	53		$	645
Expenses	216			227			626			1,069
(Payments) receipts, net	(413		)	—			(347		)	(760		)
Non-cash activity	—			(227		)	(186		)	(413		)
Restructuring reserves December 31, 2016	395			—			146			541
Expenses	552			60			315			927
(Payments) receipts, net	(328		)	—			(394		)	(722		)
Non-cash activity	—			(60		)	61			1
Restructuring reserves December 31, 2017 ⁽¹⁾	$	619		$	—		$	128		$	747


⁽¹⁾	The remaining cash outlays are expected to be substantially completed by the end of 2020.