Segment Information (Tables)

3 Months Ended

Mar. 31, 2024

Segment Reporting [Abstract]

Schedule of Operating Results of Arconic's Reportable Segments

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

	Engine Products		Fastening Systems		Engineered Structures		Forged Wheels		Total Segment
First quarter ended March 31, 2024
Sales:
Third-party sales	$	885	$	389	$	262	$	288	$	1,824
Inter-segment sales	2		—		1		—		3
Total sales	$	887	$	389	$	263	$	288	$	1,827
Profit and loss:
Provision for depreciation and amortization	$	33	$	11	$	11	$	10	$	65
Segment Adjusted EBITDA	249		92		37		82		460
Capital expenditures	55		7		6		12		80
First quarter ended March 31, 2023
Sales:
Third-party sales	$	795	$	312	$	207	$	289	$	1,603
Inter-segment sales	2		—		—		—		2
Total sales	$	797	$	312	$	207	$	289	$	1,605
Profit and loss:
Provision for depreciation and amortization	$	32	$	11	$	12	$	9	$	64
Segment Adjusted EBITDA	212		58		30		79		379
Restructuring and other charges	—		—		1		—		1
Capital expenditures	33		9		10		9		61

Schedule of Segment Reporting Information to Consolidated Income Before Income Taxes

The following table reconciles Total Segment Adjusted EBITDA to Income before income taxes. Differences between the total segment and consolidated totals are in Corporate.

	First quarter ended
	March 31,
	2024		2023
Total Segment Adjusted EBITDA	$	460	$	379
Segment provision for depreciation and amortization	(65)		(64)
Unallocated amounts:
Restructuring and other charges	—		(1)
Corporate expense	(26)		(29)
Operating income	$	369	$	285
Loss on debt redemption	—		(1)
Interest expense, net	(49)		(57)
Other expense, net	(17)		(7)
Income before income taxes	$	303	$	220

Schedule of Reconciliation of Capital Expenditures from Segments to Consolidated Cash Flows

The following table reconciles total segment capital expenditures with Capital expenditures as presented in the Statement of Consolidated Cash Flows.

	First quarter ended
	March 31,
	2024		2023
Total segment capital expenditures	$	80	$	61
Corporate	2		3
Capital expenditures	$	82	$	64

Schedule of Disaggregation of Revenue by Major End Market Served

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

	Engine Products		Fastening Systems		Engineered Structures		Forged Wheels		Total Segment
First quarter ended March 31, 2024
Aerospace - Commercial	$	492	$	244	$	192	$	—	$	928
Aerospace - Defense	185		39		56		—		280
Commercial Transportation	—		66		—		288		354
Industrial and Other	208		40		14		—		262
Total end-market revenue	$	885	$	389	$	262	$	288	$	1,824
First quarter ended March 31, 2023
Aerospace - Commercial	$	432	$	170	$	152	$	—	$	754
Aerospace - Defense	163		44		44		—		251
Commercial Transportation	—		63		—		289		352
Industrial and Other	200		35		11		—		246
Total end-market revenue	$	795	$	312	$	207	$	289	$	1,603