Accumulated Other Comprehensive Loss

12 Months Ended

Dec. 31, 2019

Equity [Abstract]

Accumulated Other Comprehensive Loss

Accumulated Other Comprehensive Loss

The following table details the activity of the four components that comprise Accumulated other comprehensive loss for both Arconic’s shareholders and noncontrolling interests:

	Arconic									Noncontrolling Interests
	2019			2018			2017			2019		2018		2017
Pension and other postretirement benefits (F)
Balance at beginning of period	$	(2,344	)	$	(2,230	)	$	(2,010	)	$	—	$	—	$	—
Adoption of accounting standard (A)	—			(369		)	—			—		—		—
Other comprehensive (loss) income:														—
Unrecognized net actuarial gain and prior service cost/benefit	(587		)	70			(466		)	—		—		—
Tax benefit (expense)	129			(19		)	102			—		—		—
Total Other comprehensive (loss) income before reclassifications, net of tax	(458		)	51			(364		)	—		—		—
Amortization of net actuarial loss and prior service cost(1)	90			262			222			—		—		—
Tax expense(2)	(20		)	(58		)	(78		)	—		—		—
Total amount reclassified from Accumulated other comprehensive loss, net of tax(3)	70			204			144			—		—		—
Total Other comprehensive (loss) income	(388		)	255			(220		)	—		—		—
Balance at end of period	$	(2,732	)	$	(2,344	)	$	(2,230	)	$	—	$	—	$	—
Foreign currency translation
Balance at beginning of period	$	(583	)	$	(437	)	$	(689	)	$	—	$	—	$	(2	)
Other comprehensive (loss) income(4)	(13		)	(146		)	252			—		—		2
Balance at end of period	$	(596	)	$	(583	)	$	(437	)	$	—	$	—	$	—
Debt securities
Balance at beginning of period	$	(3	)	$	(2	)	$	132		$	—	$	—	$	—
Other comprehensive income (loss)(5)	3			(1		)	(134		)	—		—		—
Balance at end of period	$	—		$	(3	)	$	(2	)	$	—	$	—	$	—
Cash flow hedges
Balance at beginning of period	$	4		$	25		$	(1	)	$	—	$	—	$	—
Adoption of accounting standard (A)	(2		)	2			—			—		—		—
Other comprehensive (loss) income:
Net change from periodic revaluations	(9		)	(15		)	37			—		—		—
Tax benefit (expense)	3			3			(9		)	—		—		—
Total Other comprehensive (loss) income before reclassifications, net of tax	(6		)	(12		)	28			—		—		—
Net amount reclassified to earnings
Aluminum contracts(6)	5			(8		)	(2		)	—		—		—
Interest rate contracts(8)	—			(2		)	—			—		—		—
Nickel contracts(7)	(1		)	(4		)	(1		)	—		—		—
Sub-total	4			(14		)	(3		)	—		—		—
Tax (expense) benefit(2)	(1		)	3			1			—		—		—
Total amount reclassified from Accumulated other comprehensive loss, net of tax(3)	3			(11		)	(2		)	—		—		—
Total Other comprehensive (loss) income	(3		)	(23		)	26			—		—		—
Balance at end of period	$	(1	)	$	4		$	25		$	—	$	—	$	—
Accumulated other comprehensive loss	$	(3,329	)	$	(2,926	)	$	(2,644	)	$	—	$	—	$	—

⁽¹⁾  These amounts were recorded in Other expense (income), net (see Note E).

⁽²⁾  These amounts were included in Provision for income taxes on the accompanying 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 (income), net, on the accompanying Statement of Consolidated Operations.

⁽⁶⁾  These amounts were included in Sales on the accompanying Statement of Consolidated Operations.

⁽⁷⁾  These amounts were included in Cost of goods sold on the accompanying Statement of Consolidated Operations.

⁽⁸⁾ 

These amounts were included in Interest expense on the accompanying Statement of Consolidated Operations.