Accumulated Other Comprehensive Loss

12 Months Ended

Dec. 31, 2016

Equity [Abstract]

Accumulated Other Comprehensive Loss

B. 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
	2016			2015			2014			2016			2015			2014
Pension and other postretirement benefits (U)
Balance at beginning of period	$	(3,611	)	$	(3,601	)	$	(3,532	)	$	(56	)	$	(64	)	$	(51	)
Other comprehensive (loss) income:
Unrecognized net actuarial loss and prior service cost/benefit		(1,112	)		(478	)		(492	)		(9	)		5			(22	)
Tax benefit (expense)		380			170			167			3			(1	)		7
Total Other comprehensive (loss) income before reclassifications, net of tax		(732	)		(308	)		(325	)		(6	)		4			(15	)
Amortization of net actuarial loss and prior service cost/benefit(1)		389			458			394			4			6			3
Tax expense(2)		(136	)		(160	)		(138	)		(1	)		(2	)		(1	)
Total amount reclassified from Accumulated other comprehensive loss, net of tax(8)		253			298			256			3			4			2
Total Other comprehensive (loss) income		(479	)		(10	)		(69	)		(3	)		8			(13	)
Transfer to Alcoa Corporation		2,080			-			-			59			-			-
Balance at end of period	$	(2,010	)	$	(3,611	)	$	(3,601	)	$	-		$	(56	)	$	(64	)
Foreign currency translation
Balance at beginning of period	$	(2,412	)	$	(846	)	$	179		$	(780	)	$	(351	)	$	(110	)
Other comprehensive income (loss)(3)		268			(1,566	)		(1,025	)		182			(429	)		(241	)
Transfer to Alcoa Corporation		1,455			-			-			596			-			-
Balance at end of period	$	(689	)	$	(2,412	)	$	(846	)	$	(2	)	$	(780	)	$	(351	)
Available-for-sale securities
Balance at beginning of period	$	(5	)	$	-		$	2		$	-		$	-		$	-
Other comprehensive income (loss)(4)		137			(5	)		(2	)		-			-			-
Transfer to Alcoa Corporation		-			-			-			-			-			-
Balance at end of period	$	132		$	(5	)	$	-		$	-		$	-		$	-
Cash flow hedges
Balance at beginning of period	$	597		$	(230	)	$	(308	)	$	(3	)	$	(2	)	$	(2	)
Other comprehensive (loss) income:
Net change from periodic revaluations		(843	)		1,138			78			36			(1	)		-
Tax benefit (expense)		252			(340	)		(21	)		(10	)		-			-
Total Other comprehensive (loss) income before reclassifications, net of tax		(591	)		798			57			26			(1	)		-
Net amount reclassified to earnings:
Aluminum contracts(5)		1			21			27			-			-			-
Energy contracts(6)		(49	)		6			-			(34	)		-			-
Foreign exchange contracts(5)		-			5			(3	)		-			-			-
Interest rate contracts(7)		9			1			1			5			-			-
Nickel contracts(6)		1			2			-			-			-			-
Sub-total		(38	)		35			25			(29	)		-			-
Tax benefit (expense)(2)		12			(6	)		(4	)		8			-			-
Total amount reclassified from Accumulated other comprehensive loss, net of tax(8)		(26	)		29			21			(21	)		-			-
Total Other comprehensive (loss) income		(617	)		827			78			5			(1	)		-
Transfer to Alcoa Corporation		19			-			-			(2	)		-			-
Balance at end of period	$	(1	)	$	597		$	(230	)	$	-		$	(3	)	$	(2	)

⁽¹⁾  These amounts were included in the computation of net periodic benefit cost for pension and other postretirement benefits (see Note U).

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

⁽³⁾  In all periods presented, there were no tax impacts related to rate changes and no amounts were reclassified to earnings.

⁽⁴⁾  Realized gains and losses were included in Other income, net on the accompanying Statement of Consolidated Operations.

⁽⁵⁾  These amounts were included in Sales on the accompanying Statement of Consolidated Operations.

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

⁽⁷⁾  These amounts were included in Interest expense on the accompanying Statement of Consolidated Operations.

⁽⁸⁾  A positive amount indicates a corresponding charge to earnings and a negative amount indicates a corresponding benefit to earnings. These amounts were reflected on the accompanying Statement of Consolidated Operations in the line items indicated in footnotes 1 through 7.