The following table presents changes in accumulated other comprehensive income balances:



Year Ended December 31,	2014			2013			2012
	(in millions)
Unrealized gains (losses) on investment securities:
Balance at beginning of period	$	(18	)	$	992		$	883
Other comprehensive income (loss) for period:
Net unrealized gains (losses) arising during period, net of tax of $159 million, $(617) million and $136 million, respectively	244			(897		)	194
Reclassification adjustment for gains realized in net income (loss), net of tax of $(48) million, $(81) million and $(60) million, respectively⁽¹⁾	(74		)	(113		)	(85		)
Amortization of net unrealized losses on securities transferred from available-for-sale to held-to-maturity realized in net income, net of tax of $3 million⁽²⁾	6			—			—
Total other comprehensive income (loss) for period	176			(1,010		)	109
Balance at end of period	158			(18		)	992
Unrealized losses on other-than-temporarily impaired debt securities held-to-maturity:
Balance at beginning of period	(60		)	—			—
Adjustment to add other-than-temporary impairment due to the consolidation of a VIE, net of tax of $(47) million	—			(67		)	—
Other comprehensive income for period:
Reclassification adjustment related to the accretion of unrealized other-than-temporary impairment, net of tax of $7 million and $4 million, respectively⁽³⁾	9			7			—
Reclassification adjustment to reverse other-than-temporary impairment due to closure of VIE, net of tax of $36 million⁽³⁾	51			—			—
Total other comprehensive income for period	60			7			—
Balance at end of period	—			(60		)	—
Unrealized gains (losses) on derivatives designated as cash flow hedges:
Balance at beginning of period	(83		)	(201		)	(229		)
Other comprehensive income (loss) for period:
Net gains (losses) arising during period, net of tax of $(48) million, $78 million, and $10 million, respectively	(77		)	112			18
Reclassification adjustment for losses realized in net income (loss), net of tax of $2 million, $4 million and $7 million, respectively⁽⁴⁾	4			6			10
Total other comprehensive income (loss) for period	(73		)	118			28
Balance at end of period	(156		)	(83		)	(201		)
Pension and postretirement benefit liability:
Balance at beginning of period	2			(6		)	(12		)
Other comprehensive income (loss) for period:
Change in unfunded pension and postretirement liability, net of tax of $(4) million, $5 million and $4 million, respectively	(5		)	8			4
Reclassification adjustment of prior service costs and transition obligations realized in net income (loss), net of tax of $1 million⁽⁵⁾	—			—			2
Total other comprehensive income (loss) for period	(5		)	8			6
Balance at end of period	(3		)	2			(6		)
Total accumulated other comprehensive income (loss) at end of period	$	(1	)	$	(159	)	$	785


⁽¹⁾	Amount reclassified to net income (loss) is included in other securities gains, net in our consolidated statement of income (loss).

⁽²⁾

Amount amortized to net income (loss) is included in interest income in our consolidated statement of income (loss). During the third quarter of 2014, we transferred securities from available-for-sale to held-to-maturity. At the date of the transfer, AOCI included net pretax unrealized losses of $234 million related to the transferred securities which will be amortized over the remaining contractual life of each security as an adjustment of yield in a manner consistent with the amortization of any premium or discount.


⁽³⁾	Amount reclassified to the carrying value of the debt securities is included in securities held-to-maturity in our consolidated balance sheet.


⁽⁴⁾	Amount reclassified to net income (loss) is included in interest income (expense) in our consolidated statement of income (loss).


⁽⁵⁾	Amount reclassified to net income (loss) is included in salaries and employee benefits in our consolidated statement of income (loss).