C. 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
	Third quarter ended September 30,						Third quarter ended September 30,
	2016			2015			2016			2015
Pension and other postretirement benefits (P)
Balance at beginning of period	$	(3,514	)	$	(3,500	)	$	(53	)	$	(59	)
Other comprehensive (loss) income:
Unrecognized net actuarial loss and prior service cost/benefit		(819	)		46			(1	)		10
Tax expense		286			(10	)		—			(1	)

Total Other comprehensive (loss) income before reclassifications, net of tax		(533	)		36			(1	)		9

Amortization of net actuarial loss and prior service cost/benefit⁽¹⁾		109			116			1			—
Tax expense⁽²⁾		(38	)		(41	)		(1	)		—

Total amount reclassified from Accumulated other comprehensive loss, net of tax⁽⁹⁾		71			75			—			—

Total Other comprehensive (loss) income		(462	)		111			(1	)		9

Balance at end of period	$	(3,976	)	$	(3,389	)	$	(54	)	$	(50	)

Foreign currency translation
Balance at beginning of period	$	(2,064	)	$	(1,606	)	$	(641	)	$	(569	)
Other comprehensive income (loss)⁽³⁾		157			(889	)		45			(299	)

Balance at end of period	$	(1,907	)	$	(2,495	)	$	(596	)	$	(868	)

Available-for-sale securities
Balance at beginning of period	$	(1	)	$	—		$	—		$	—
Other comprehensive loss⁽⁴⁾		—			(2	)		—			—

Balance at end of period	$	(1	)	$	(2	)	$	—		$	—

Cash flow hedges (Q)
Balance at beginning of period	$	364		$	140		$	11		$	(6	)
Other comprehensive (loss) income:
Net change from periodic revaluations		(430	)		288			20			1
Tax benefit (expense)		126			(79	)		(6	)		—

Total Other comprehensive (loss) income before reclassifications, net of tax		(304	)		209			14			1

Net amount reclassified to earnings:
Aluminum contracts⁽⁵⁾		5			3			—			—
Energy contracts⁽⁶⁾		(50	)		—			(34	)		—
Foreign exchange contracts⁽⁵⁾		(1	)		2			—			—
Interest rate contracts⁽⁷⁾		—			—			—			—
Nickel contracts⁽⁸⁾		—			1			—			—

Sub-total		(46	)		6			(34	)		—
Tax benefit (expense)⁽²⁾		12			(1	)		10			—

Total amount reclassified from Accumulated other comprehensive (loss) income, net of tax⁽⁹⁾		(34	)		5			(24	)		—

Total Other comprehensive (loss) income		(338	)		214			(10	)		1

Balance at end of period	$	26		$	354		$	1		$	(5	)


	Arconic						Noncontrolling Interests
	Nine months ended September 30,						Nine months ended September 30,
	2016			2015			2016			2015
Pension and other postretirement benefits (P)
Balance at beginning of period	$	(3,611	)	$	(3,601	)	$	(56	)	$	(64	)
Other comprehensive (loss) income:
Unrecognized net actuarial loss and prior service cost/benefit		(883	)		(30	)		—			13
Tax benefit (expense)		312			18			—			(1	)

Total Other comprehensive (loss) income before reclassifications, net of tax		(571	)		(12	)		—			12

Amortization of net actuarial loss and prior service cost/benefit⁽¹⁾		317			345			3			4
Tax expense⁽²⁾		(111	)		(121	)		(1	)		(2	)

Total amount reclassified from Accumulated other comprehensive loss, net of tax⁽⁹⁾		206			224			2			2

Total Other comprehensive (loss) income		(365	)		212			2			14

Balance at end of period	$	(3,976	)	$	(3,389	)	$	(54	)	$	(50	)

Foreign currency translation
Balance at beginning of period	$	(2,412	)	$	(846	)	$	(780	)	$	(351	)
Other comprehensive income (loss)⁽³⁾		505			(1,649	)		184			(517	)

Balance at end of period	$	(1,907	)	$	(2,495	)	$	(596	)	$	(868	)

Available-for-sale securities
Balance at beginning of period	$	(5	)	$	—		$	—		$	—
Other comprehensive income (loss)⁽⁴⁾		4			(2	)		—			—

Balance at end of period	$	(1	)	$	(2	)	$	—		$	—

Cash flow hedges (Q)
Balance at beginning of period	$	597		$	(230	)	$	(3	)	$	(2	)
Other comprehensive (loss) income:
Net change from periodic revaluations		(772	)		792			35			(4	)
Tax benefit (expense)		229			(235	)		(10	)		1

Total Other comprehensive (loss) income before reclassifications, net of tax		(543	)		557			25			(3	)

Net amount reclassified to earnings:
Aluminum contracts⁽⁵⁾		(1	)		26			—			—
Energy contracts⁽⁶⁾		(49	)		4			(34	)		—
Foreign exchange contracts⁽⁵⁾		—			3			—			—
Interest rate contracts⁽⁷⁾		8			1			5			—
Nickel contracts⁽⁸⁾		1			1			—			—

Sub-total		(41	)		35			(29	)		—
Tax benefit (expense)⁽²⁾		13			(8	)		8			—

Total amount reclassified from Accumulated other comprehensive (loss) income, net of tax⁽⁹⁾		(28	)		27			(21	)		—

Total Other comprehensive (loss) income		(571	)		584			4			(3	)

Balance at end of period	$	26		$	354		$	1		$	(5	)

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

⁽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⁾	In all periods presented, unrealized and realized gains and losses related to these securities were immaterial. 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⁾

For Arconic, $50 of the amount in both the third quarter ended and nine months ended as of September 30, 2016 was included in Other income, net on the accompanying Statement of Consolidated Operations. The remaining amount in both the third quarter ended and nine months ended as of September 30, 2016 and the entire amount in both the third quarter ended and nine months ended as of September 30, 2015 were included in Cost of goods sold on the accompanying Statement of Consolidated Operations. For Noncontrolling interests, the amount in both the third quarter and nine months ended as of September 30, 2016 was included in Other income, net on the accompanying Statement of Consolidated Operations.

⁽⁷⁾

For Arconic, $7 of the amount in the nine months ended as of September 30, 2016 was included in Other income, net on the accompanying Statement of Consolidated Operations. The remaining amount in the nine months ended as of September 30, 2016 and the entire amount in the third quarter ended September 30, 2016 and both the third quarter ended and nine months ended as of September 30, 2015 were included in Interest expense on the accompanying Statement of Consolidated Operations. For Noncontrolling interests, the amount in the nine months ended as of September 30, 2016 was included in Other income, net on the accompanying Statement of Consolidated Operations.

⁽⁸⁾	These amounts were included in Cost of goods sold on the accompanying Statement of Consolidated Operations.

⁽⁹⁾	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.