Restructuring and Other Charges, Net (Tables)

6 Months Ended

Jun. 30, 2023

Restructuring and Related Activities [Abstract]

Schedule of Restructuring and Other Charges, Net by Reportable Segments, Pretax

Alcoa Corporation does not include Restructuring and other charges, net in the results of its reportable segments. The impact of allocating such charges to segment results would have been as follows:

	Second quarter ended June 30,					Six months ended June 30,
	2023		2022			2023		2022
Alumina (1)	$	1	$	(83	)	$	2	$	(25	)
Aluminum		19		5			165		73
Segment total		20		(78	)		167		48
Corporate		4		3			6		2
Total Restructuring and other charges, net	$	24	$	(75	)	$	173	$	50

(1)Beginning in January 2023, the Company changed its operating segments, by combining the Bauxite and Alumina segments, and reported its financial results in the following two segments: (i) Alumina and (ii) Aluminum (see Note E).

Activity and Reserve Balances for Restructuring Charges

Activity and reserve balances for restructuring charges were as follows:

	Severance and employee termination costs			Other costs			Total
Balance at December 31, 2021	$	3		$	90		$	93
Restructuring and other charges, net		1			73			74
Cash payments		(2	)		(37	)		(39	)
Reversals and other		(1	)		(10	)		(11	)
Balance at December 31, 2022		1			116			117
Restructuring and other charges, net		3			49			52
Cash payments		(1	)		(22	)		(23	)
Reversals and other		—			4			4
Balance at June 30, 2023	$	3		$	147		$	150