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
	2017			2016			2015			2017			2016			2015
Pension and other postretirement benefits (N)
Balance at beginning of period	$	(2,330	)	$	(352	)	$	(424	)	$	(56	)	$	(56	)	$	(64	)
Establishment of additional defined benefit plans		-			(2,704	)		-			-			-			-
Separation-related adjustments (A)		-			928			-			-			-			-
Other comprehensive (loss) income:
Unrecognized net actuarial loss and prior service cost/benefit		(671	)		(307	)		73			9			2			5
Tax benefit (expense)		25			6			(18	)		(2	)		(6	)		(1	)
Total Other comprehensive (loss) income before reclassifications, net of tax		(646	)		(301	)		55			7			(4	)		4
Amortization of net actuarial loss and prior service cost/benefit⁽¹⁾		199			107			26			2			5			6
Tax expense⁽²⁾		(9	)		(8	)		(9	)		-			(1	)		(2	)
Total amount reclassified from Accumulated other comprehensive loss, net of tax⁽⁷⁾		190			99			17			2			4			4
Total Other comprehensive (loss) income		(456	)		(202	)		72			9			-			8
Balance at end of period	$	(2,786	)	$	(2,330	)	$	(352	)	$	(47	)	$	(56	)	$	(56	)
Foreign currency translation
Balance at beginning of period	$	(1,655	)	$	(1,851	)	$	(668	)	$	(677	)	$	(779	)	$	(351	)
Separation-related adjustments (A)		-			(17	)		-			-			-			-
Other comprehensive income (loss)⁽³⁾		188			213			(1,183	)		96			102			(428	)
Balance at end of period	$	(1,467	)	$	(1,655	)	$	(1,851	)	$	(581	)	$	(677	)	$	(779	)
Cash flow hedges (O)
Balance at beginning of period	$	210		$	603		$	(224	)	$	1		$	(3	)	$	(2	)
Separation-related adjustments (A)		-			(47	)		-			-			-			-
Other comprehensive (loss) income:
Net change from periodic revaluations		(1,489	)		(558	)		1,155			83			38			(1	)
Tax benefit (expense)		251			233			(344	)		(25	)		(12	)		-
Total Other comprehensive (loss) income before reclassifications, net of tax		(1,238	)		(325	)		811			58			26			(1	)
Net amount reclassified to earnings:
Aluminum contracts⁽⁴⁾		130			7			21			-			-			-
Financial contract⁽⁵⁾		(19	)		(54	)		-			(12	)		(37	)		-
Foreign exchange contracts⁽⁴⁾		(2	)		-			-			-			-			-
Interest rate contract⁽⁶⁾		-			7			-			-			5			-
Sub-total		109			(40	)		21			(12	)		(32	)		-
Tax (expense) benefit⁽²⁾		(10	)		19			(5	)		4			10			-
Total amount reclassified from Accumulated other comprehensive loss, net of tax⁽⁷⁾		99			(21	)		16			(8	)		(22	)		-
Total Other comprehensive (loss) income		(1,139	)		(346	)		827			50			4			(1	)
Balance at end of period	$	(929	)	$	210		$	603		$	51		$	1		$	(3	)

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

⁽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 2017 amounts were included in Cost of goods sold on the accompanying Statement of Consolidated Operations. The 2016 and 2015 amounts were included in Other (income) expenses, net on the accompanying Statement of Consolidated Operations.

⁽⁶⁾	These amounts were included in Other (income) expenses, 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.