G. Accumulated Other Comprehensive Loss

The following table details the activity of the three components that comprise Accumulated other comprehensive loss for both Alcoa Corporation’s shareholders and noncontrolling interest:


	Alcoa Corporation						Noncontrolling interest
	Third quarter ended September 30,						Third quarter ended September 30,
	2017			2016			2017			2016
Pension and other postretirement benefits (J)
Balance at beginning of period	$	(2,184	)	$	(353	)	$	(37	)	$	(53	)
Establishment of defined benefit plans		—			(2,704	)		—			—
Other comprehensive income (loss):
Unrecognized net actuarial loss and prior service cost/benefit		(6	)		(22	)		6			(1	)
Tax benefit (expense)		2			17			(2	)		—

Total Other comprehensive (loss) income before reclassifications, net of tax		(4	)		(5	)		4			(1	)
Amortization of net actuarial loss and prior service cost/benefit⁽¹⁾		50			38			1			1
Tax expense⁽²⁾		(2	)		(13	)		—			(1	)

Total amount reclassified from Accumulated other comprehensive loss, net of tax⁽⁷⁾		48			25			1			—

Total Other comprehensive income (loss)		44			20			5			(1	)

Balance at end of period	$	(2,140	)	$	(3,037	)	$	(32	)	$	(54	)

Foreign currency translation
Balance at beginning of period	$	(1,515	)	$	(1,437	)	$	(600	)	$	(640	)
Other comprehensive income⁽³⁾		141			32			44			45

Balance at end of period	$	(1,374	)	$	(1,405	)	$	(556	)	$	(595	)

Cash flow hedges (K)
Balance at beginning of period	$	(104	)	$	334		$	63		$	11
Other comprehensive loss:
Net change from periodic revaluations		(545	)		(434	)		(2	)		20
Tax benefit (expense)		109			95			1			(6	)

Total Other comprehensive (loss) income before reclassifications, net of tax		(436	)		(339	)		(1	)		14

Net amount reclassified to earnings:
Aluminum contracts⁽⁴⁾		33			4			—			—
Energy contracts⁽⁵⁾		(8	)		(50	)		(5	)		(34	)
Interest rate contracts⁽⁶⁾		—			—			—			—

Sub-total		25			(46	)		(5	)		(34	)
Tax (expense) benefit⁽²⁾		(4	)		15			1			10

Total amount reclassified from Accumulated other comprehensive (loss) income, net of tax⁽⁷⁾		21			(31	)		(4	)		(24	)

Total Other comprehensive loss		(415	)		(370	)		(5	)		(10	)

Balance at end of period	$	(519	)	$	(36	)	$	58		$	1


	Alcoa Corporation						Noncontrolling interest
	Nine months ended September 30,						Nine months ended September 30,
	2017			2016			2017			2016
Pension and other postretirement benefits (J)
Balance at beginning of period	$	(2,330	)	$	(352	)	$	(56	)	$	(56	)
Establishment of defined benefit plans		–			(2,704	)		–			–
Other comprehensive income:
Unrecognized net actuarial loss and prior service cost/benefit		42			(44	)		24			–
Tax benefit (expense)		5			25			(2	)		–

Total Other comprehensive income (loss) before reclassifications, net of tax		47			(19	)		22			–

Amortization of net actuarial loss and prior service cost/benefit⁽¹⁾		149			58			2			3
Tax expense⁽²⁾		(6	)		(20	)		–			(1	)

Total amount reclassified from Accumulated other comprehensive loss, net of tax⁽⁷⁾		143			38			2			2

Total Other comprehensive income		190			19			24			2

Balance at end of period	$	(2,140	)	$	(3,037	)	$	(32	)	$	(54	)

Foreign currency translation
Balance at beginning of period	$	(1,655	)	$	(1,851	)	$	(677	)	$	(779	)
Other comprehensive income⁽³⁾		281			446			121			184

Balance at end of period	$	(1,374	)	$	(1,405	)	$	(556	)	$	(595	)

Cash flow hedges (K)
Balance at beginning of period	$	210		$	603		$	1		$	(3	)
Other comprehensive (loss) income:
Net change from periodic revaluations		(975	)		(779	)		88			35
Tax benefit (expense)		186			170			(26	)		(10	)

Total Other comprehensive (loss) income before reclassifications, net of tax		(789	)		(609	)		62			25

Net amount reclassified to earnings:
Aluminum contracts⁽⁴⁾		82			(1	)		–			–
Energy contracts⁽⁵⁾		(11	)		(50	)		(7	)		(34	)
Interest rate contracts⁽⁶⁾		–			7			–			5

Sub-total		71			(44	)		(7	)		(29	)
Tax (expense) benefit⁽²⁾		(11	)		14			2			8

Total amount reclassified from Accumulated other comprehensive income (loss), net of tax⁽⁷⁾		60			(30	)		(5	)		(21	)

Total Other comprehensive (loss) income		(729	)		(639	)		57			4

Balance at end of period	$	(519	)	$	(36	)	$	58		$	1

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

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

⁽⁵⁾

The amounts for the third quarter and nine months ended September 30, 2017 were included in Cost of goods sold on the accompanying Statement of Consolidated Operations. The amounts for the third quarter and nine months ended September 30, 2016 were included in Other income, net on the accompanying Statement of Consolidated Operations.

⁽⁶⁾	These amounts were included in Other expenses (income), net on the accompanying Statement of Consolidated Operations.

⁽⁷⁾	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 6.