Segment Information (Tables)

3 Months Ended

Mar. 31, 2018

Segment Reporting [Abstract]

Schedule of Operating Results of Arconic's Reportable Segments

The operating results of Arconic’s reportable segments were as follows:

	Engineered Products and Solutions		Global Rolled Products			Transportation and Construction Solutions		Total Segment
First quarter ended March 31, 2018
Sales:
Third-party sales	$	1,541	$	1,366		$	537	$	3,444
Intersegment sales	—		42			—		42
Total sales	$	1,541	$	1,408		$	537	$	3,486
Profit and loss:
Segment operating profit	221		112			67		400
Restructuring and other charges	1		(1		)	—		—
Provision for depreciation and amortization	71		51			13		135
First quarter ended March 31, 2017
Sales:
Third-party sales	$	1,487	$	1,248		$	456	$	3,191
Intersegment sales	—		34			—		34
Total sales	$	1,487	$	1,282		$	456	$	3,225
Profit and loss:
Segment operating profit	247		136			68		451
Restructuring and other charges	6		57			3		66
Provision for depreciation and amortization	64		50			12		126

Schedule Of Segment Reporting Information To Consolidate Net Income Loss Attributable To Parent

The following table reconciles Total segment operating profit to Consolidated income before income taxes:

	First quarter ended
	March 31,
	2018			2017
Total segment operating profit	$	400		$	451
Unallocated amounts:
Restructuring and other charges	(7		)	(73		)
Corporate expense	(60		)	(95		)
Consolidated operating income	$	333		$	283
Interest expense	(114		)	(115		)
Other (expense) income, net	(20		)	316
Consolidated income before income taxes	$	199		$	484

Reconciliation of Assets from Segment to Consolidated

The total assets of Arconic's reportable segment were as follows:

	March 31, 2018		December 31, 2017
Engineered Products and Solutions	10,561		10,325
Global Rolled Products	4,193		3,955
Transportation and Construction Solutions	1,108		1,041
Total segment assets	$	15,862	$	15,321

The following table reconciles Total segment assets to Consolidated assets:

	March 31, 2018		December 31, 2017
Total segment assets	$	15,862	$	15,321
Unallocated amounts:
Cash and cash equivalents	1,205		2,150
Deferred income taxes	675		743
Corporate fixed assets, net	307		310
Fair value of derivative contracts	53		91
Other	117		103
Consolidated assets	$	18,219	$	18,718