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



Three Months Ended June 30,	2013			2012
	(in millions)
Unrealized gains (losses) on securities available-for-sale:
Balance at beginning of period	$	842		$	756
Other comprehensive income (loss) for period:
Net unrealized gains (losses) arising during period, net of tax of $(398) million and $203 million, respectively	(571		)	286
Reclassification adjustment for gains realized in net income (loss), net of tax of $(9) million and $(27) million, respectively ⁽¹⁾	(14		)	(38		)
Total other comprehensive loss for period	(585		)	248
Balance at end of period	257			1,004
Unrealized losses on other-than-temporarily impaired debt securities held-to-maturity:
Balance at beginning of period	—			—
Adjustment to add other-than-temporary impairment due to the consolidation of VIE, net of tax of $(48) million	(67		)	—
Balance at end of period	(67		)	—
Unrealized gains (losses) on derivatives classified as cash flow hedges:
Balance at beginning of period	(178		)	(192		)
Other comprehensive income (loss) for period:
Net gains (losses) arising during period, net of tax of $35 million and $(29) million, respectively	49			(39		)
Reclassification adjustment for losses realized in net income (loss), net of tax of $1 million and $2 million, respectively ⁽²⁾	2			2
Total other comprehensive income (loss) for period	51			(37		)
Balance at end of period	(127		)	(229		)
Pension and postretirement benefit liability:
Balance at beginning and end of period	(6		)	(11		)
Total accumulated other comprehensive income at end of period	$	57		$	764



Six Months Ended June 30,	2013			2012
	(in millions)
Unrealized gains (losses) on securities available-for-sale:
Balance at beginning of period	$	992		$	883
Other comprehensive income (loss) for period:
Net unrealized gains (losses) arising during period, net of tax of $(455) million and $127 million, respectively	(649		)	177
Reclassification adjustment for gains realized in net income (loss), net of tax of $(60) million and $(39) million, respectively ⁽¹⁾	(86		)	(56		)
Total other comprehensive income (loss) for period	(735		)	121
Balance at end of period	257			1,004
Unrealized losses on other-than-temporarily impaired debt securities held-to-maturity:
Balance at beginning of period	—			—
Adjustment to add other-than-temporary impairment due to the consolidation of VIE, net of tax of $(48) million	(67		)	—
Balance at end of period	(67		)	—
Unrealized gains (losses) on derivatives classified as cash flow hedges:
Balance at beginning of period	(201		)	(229		)
Other comprehensive income (loss) for period:
Net gains (losses) arising during period, net of tax of $49 million and $(5) million, respectively	70			(5		)
Reclassification adjustment for losses realized in net income (loss), net of tax of $3 million and $3 million, respectively ⁽²⁾	4			5
Total other comprehensive income for period	74			—
Balance at end of period	(127		)	(229		)
Pension and postretirement benefit liability:
Balance at beginning of period	(6		)	(12		)
Other comprehensive income for period:
Reclassification adjustment of prior service costs and transition obligations in net income, net of tax of less than $1 million	—			1
Total other comprehensive income for period	—			1
Balance at end of period	(6		)	(11		)
Total accumulated other comprehensive income at end of period	$	57		$	764


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


⁽²⁾	Amount reclassified to net income (loss) relates to interest rate contracts and is included in interest income (expense) in our consolidated statement of income.


⁽³⁾	Amount reclassified to net income (loss) is included in salaries and employee benefits in our consolidated statement of income.