Other Comprehensive Income (Loss)

The changes, net of tax, in the balances of each component of Accumulated Other Comprehensive Income ("AOCI") for the three and six-month period ended June 30, 2018 and 2017, including amounts reclassified out of AOCI, are as follows:



(In millions)	Unrealized Investment Gains (Losses)		Pension/Post-Retirement Plans Gains (Losses)			Foreign Currency Translation Gains (Losses)			Total Gains (Losses)
Balance as of April 1, 2018	$	—	$	(2,963	)	$	(942	)	$	(3,905	)
Other comprehensive income (loss) before reclassifications	—		129			(516		)	(387		)
Amounts reclassified from accumulated other comprehensive income	—		27			—			27
Net current period other comprehensive income (loss)	—		156			(516		)	(360		)
Balance as of June 30, 2018	$	—	$	(2,807	)	$	(1,458	)	$	(4,265	)



(In millions)	Unrealized Investment Gains		Pension/Post-Retirement Plans Gains (Losses)			Foreign Currency Translation Gains (Losses)			Total Gains (Losses)
Balance as of April 1, 2017	$	16	$	(3,208	)	$	(1,645	)	$	(4,837	)
Other comprehensive income (loss) before reclassifications	14		(40		)	289			263
Amounts reclassified from accumulated other comprehensive income	—		33			—			33
Net current period other comprehensive income (loss)	14		(7		)	289			296
Balance as of June 30, 2017	$	30	$	(3,215	)	$	(1,356	)	$	(4,541	)



(In millions)	Unrealized Investment Gains (Losses)			Pension/Post-Retirement Plans Gains (Losses)			Foreign Currency Translation Gains (Losses)			Total Gains (Losses)
Balance as of December 31, 2017	$	14		$	(2,892	)	$	(1,165	)	$	(4,043	)
Cumulative effect of amended accounting standard	(14		)	—			—			(14		)
Other comprehensive income (loss) before reclassifications	—			29			(293		)	(264		)
Amounts reclassified from accumulated other comprehensive income	—			56			—			56
Net current period other comprehensive income (loss)	—			85			(293		)	(208		)
Balance as of June 30, 2018	$	—		$	(2,807	)	$	(1,458	)	$	(4,265	)



(In millions)	Unrealized Investment Gains		Pension/Post-Retirement Plans Gains (Losses)			Foreign Currency Translation Gains (Losses)			Total Gains (Losses)
Balance as of December 31, 2016	$	19	$	(3,232	)	$	(1,880	)	$	(5,093	)
Other comprehensive income (loss) before reclassifications	11		(46		)	524			489
Amounts reclassified from accumulated other comprehensive income	—		63			—			63
Net current period other comprehensive income (loss)	11		17			524			552
Balance as of June 30, 2017	$	30	$	(3,215	)	$	(1,356	)	$	(4,541	)

The components of other comprehensive income (loss) for the three and six-month period ended June 30, 2018 and 2017 are as follows:



Three Months Ended June 30,	2018									2017
(In millions)	Pre-Tax			Tax (Credit)			Net of Tax			Pre-Tax			Tax (Credit)			Net of Tax
Foreign currency translation adjustments	$	(529	)	$	(13	)	$	(516	)	$	290		$	1		$	289
Unrealized investment gains	—			—			—			24			10			14
Pension/post-retirement plans:
Amortization of losses included in net periodic pension cost:
Prior service credits (a)	(1		)	—			(1		)	—			—			—
Net actuarial losses (a)	37			9			28			42			9			33
Subtotal	36			9			27			42			9			33
Effect of remeasurement	—			—			—			—			1			(1		)
Foreign currency translation adjustments	156			27			129			(47		)	(8		)	(39		)
Pension/post-retirement plans gains (losses)	192			36			156			(5		)	2			(7		)
Other comprehensive (loss) income	$	(337	)	$	23		$	(360	)	$	309		$	13		$	296
(a) Components of net periodic pension cost are included in compensation and benefits in the consolidated statements of income. Income tax credits on prior service costs and net actuarial losses are included in income tax expense.



Six Months Ended June 30,	2018									2017
(In millions)	Pre-Tax			Tax (Credit)			Net of Tax			Pre-Tax			Tax (Credit)			Net of Tax
Foreign currency translation adjustments	$	(301	)	$	(8	)	$	(293	)	$	525		$	1		$	524
Unrealized investment gains	—			—			—			19			8			11
Pension/post-retirement plans:
Amortization of losses included in net periodic pension cost:
Prior service credits (a)	(2		)	—			(2		)	—			—			—
Net actuarial losses (a)	74			16			58			82			19			63
Subtotal	72			16			56			82			19			63
Effect of remeasurement	—			—			—			9			3			6
Effect of curtailment	—			—			—			(1		)	—			(1		)
Effect of settlement	—			—			—			1			—			1
Foreign currency translation adjustments	36			7			29			(62		)	(11		)	(51		)
Other	—			—			—			(1		)	—			(1		)
Pension/post-retirement plans gains	108			23			85			28			11			17
Other comprehensive (loss) income	$	(193	)	$	15		$	(208	)	$	572		$	20		$	552
(a) Components of net periodic pension cost are included in other net benefit credits in the consolidated statements of income. Tax on prior service costs and net actuarial losses is included in income tax expense.