10. Accumulated Other Comprehensive (Loss) Income (AOCI)

The changes in the AOCI balances, including amounts reclassified from AOCI into net income, are presented in the table below.

	Foreign currency translation			Unrealized (losses) gains on hedging instruments			Unrecognized (losses) gains and prior service cost, net			Total accumulated other comprehensive loss
	(in millions)
Balance at December 31, 2014	$	19		$	(5	)	$	(598	)	$	(584	)
Other comprehensive (loss) income before reclassifications, net of tax		(161	)		(15	)		81			(95	)
Amounts reclassified from AOCI, net of tax		41			12			52			105
Net current period other comprehensive (loss) income		(120	)		(3	)		133			10
Balance at December 31, 2015	$	(101	)	$	(8	)	$	(465	)	$	(574	)

Other comprehensive (loss) income before reclassifications, net of tax		(77	)		3			(119	)		(193	)
Amounts reclassified from AOCI, net of tax		—			11			30			41
Net current period other comprehensive (loss) income		(77	)		14			(89	)		(152	)
Balance at December 31, 2016	$	(178	)	$	6		$	(554	)	$	(726	)

Other comprehensive income (loss) before reclassifications, net of tax		124			7			(137	)		(6	)
Amounts reclassified from AOCI, net of tax		—			(4	)		45			41
Net current period other comprehensive income (loss)		124			3			(92	)		35
Balance at December 31, 2017	$	(54	)	$	9		$	(646	)	$	(691	)

Further details regarding the amounts reclassified from AOCI into net income are presented in the table below.

	Amount Reclassified from AOCI^(a)									Affected Line Item in the Audited Consolidated Statements of Operations
	Year Ended December 31,
Details About AOCI Components	2017			2016			2015
	(in millions)
Foreign currency translation adjustments:
MSI divestiture	$	—		$	—		$	(41	)	Loss related to business divestitures
		—			—			(41	)	Income from continuing operations before income taxes
	$	—		$	—		$	(41	)	Income from continuing operations

Gain (loss) on hedging instruments:
MSI divestiture	$	—		$	—		$	(2	)	Loss related to business divestitures
Other		5			(13	)		(16	)	Cost of sales-products
		5			(13	)		(18	)	Income from continuing operations before income taxes
		(1	)		2			6		Provision for income taxes
	$	4		$	(11	)	$	(12	)	Income from continuing operations

Amortization of defined benefit pension and postretirement items:
MSI divestiture	$	—		$	—		$	(14	)	Loss related to business divestitures
Net loss		(59	)		(48	)		(67	)	(b)
		(59	)		(48	)		(81	)	Income from continuing operations before income taxes
		14			18			29		Provision for income taxes
	$	(45	)	$	(30	)	$	(52	)	Income from continuing operations
Total reclassification for the period	$	(41	)	$	(41	)	$	(105	)	Income from continuing operations

^(a)

Amounts in parentheses indicate charges to the consolidated statements of operations.

^(b)

Amounts related to pension and postretirement benefit plans were reclassified from AOCI and recorded as a component of net periodic benefit cost (see Note 19 for additional information).