Revenue from Contracts with Customers (Tables)

3 Months Ended

Mar. 31, 2018

Revenue from Contract with Customer [Abstract]

Revenue from External Customers by Products and Services

The following table disaggregates revenue by major end market served. Differences between segment totals and consolidated Arconic are in Corporate.

	Engineered Products and Solutions		Global Rolled Products		Transportation and Construction Solutions		Total Segment
First quarter ended March 31, 2018
Aerospace	$	1,190	$	199	$	—	$	1,389
Transportation	97		598		243		938
Building and construction	—		48		285		333
Industrial and other	254		521		9		784
Total end-market revenue	$	1,541	$	1,366	$	537	$	3,444
First quarter ended March 31, 2017
Aerospace	$	1,155	$	215	$	—	$	1,370
Transportation	93		493		173		759
Building and construction	—		49		262		311
Industrial and other	239		491		21		751
Total end-market revenue	$	1,487	$	1,248	$	456	$	3,191