Revenue from Contracts with Customers (Tables)

9 Months Ended

Sep. 30, 2021

Revenue from Contract with Customer [Abstract]

Schedule of Revenue by Major End Market Served

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

Third quarter ended September 30,	Rolled Products		Building and Construction Systems		Extrusions		Total
2021
Ground Transportation	$	681	$	—	$	25	$	706
Building and Construction	70		257		—		327
Packaging	325		—		—		325
Aerospace	134		—		28		162
Industrial Products and Other	349		—		21		370
Total end-market revenue	$	1,559	$	257	$	74	$	1,890
2020
Ground Transportation	$	493	$	—	$	25	$	518
Building and Construction	42		241		—		283
Packaging	198		—		—		198
Aerospace	107		—		44		151
Industrial Products and Other	252		—		13		265
Total end-market revenue	$	1,092	$	241	$	82	$	1,415

Nine months ended September 30,	Rolled Products		Building and Construction Systems		Extrusions		Total
2021
Ground Transportation	$	1,928	$	—	$	74	$	2,002
Building and Construction	172		750		—		922
Packaging	820		—		—		820
Aerospace	367		—		84		451
Industrial Products and Other	1,110		—		61		1,171
Total end-market revenue	$	4,397	$	750	$	219	$	5,366
2020
Ground Transportation	$	1,242	$	—	$	62	$	1,304
Building and Construction	110		727		—		837
Packaging	571		—		—		571
Aerospace	505		—		183		688
Industrial Products and Other	766		—		51		817
Total end-market revenue	$	3,194	$	727	$	296	$	4,217