Accumulated Other Comprehensive Loss (Tables)

12 Months Ended

Dec. 31, 2021

Equity [Abstract]

Summary of Changes in Accumulated Other Comprehensive Loss by Component

The following table details the activity of the four components that comprise Accumulated other comprehensive loss:

	2021		2020		2019
Pension and other postretirement benefits (H)
Balance at beginning of period	$	(980)	$	(2,732)	$	(2,344)
Other comprehensive income (loss):
Unrecognized net actuarial gain (loss) and prior service cost/benefit	111		(211)		(587)
Tax (expense) benefit	(26)		48		129
Total Other comprehensive income (loss) before reclassifications, net of tax	85		(163)		(458)
Amortization of net actuarial loss and prior service cost(1)	123		149		90
Tax expense(2)	(27)		(32)		(20)
Total amount reclassified from Accumulated other comprehensive loss, net of tax(3)	96		117		70
Total Other comprehensive income (loss)	181		(46)		(388)
Transfer to Arconic Corporation	—		1,798		—
Balance at end of period	$	(799)	$	(980)	$	(2,732)
Foreign currency translation
Balance at beginning of period	$	(966)	$	(596)	$	(583)
Other comprehensive (loss) income(4)	(96)		58		(13)
Transfer to Arconic Corporation	—		(428)		—
Balance at end of period	$	(1,062)	$	(966)	$	(596)
Debt securities
Balance at beginning of period	$	—	$	—	$	(3)
Other comprehensive income(5)	—		—		3
Balance at end of period	$	—	$	—	$	—
Cash flow hedges
Balance at beginning of period	$	3	$	(1)	$	4
Adoption of accounting standard(6)	—		—		(2)
Other comprehensive income (loss):
Net change from periodic revaluations	20		—		(9)
Tax benefit	(4)		—		3
Total Other comprehensive income (loss) before reclassifications, net of tax	16		—		(6)
Net amount reclassified to earnings	(26)		6		4
Tax benefit (expense)(2)	5		(2)		(1)
Total amount reclassified from Accumulated other comprehensive (loss) income, net of tax(3)	(21)		4		3
Total Other comprehensive (loss) income	(5)		4		(3)
Balance at end of period	$	(2)	$	3	$	(1)
Accumulated other comprehensive loss balance at end of period	$	(1,863)	$	(1,943)	$	(3,329)

(1)These amounts were recorded in Other expense, net (see Note G) and Restructuring and other charges (see Note E) in the Statement of Consolidated Operations.

(2)These amounts were included in Provision (benefit) for income taxes (see Note I) in the Statement of Consolidated Operations.

(3)A positive amount indicates a corresponding charge to earnings and a negative amount indicates a corresponding benefit to earnings.

(4)In all periods presented, no amounts were reclassified to earnings.

(5)Realized gains and losses were included in Other expense, net, in the Statement of Consolidated Operations.

(6)Adjustment was related to eliminating the separate measurement of hedge ineffectiveness as part of the adoption of new hedge accounting guidance.