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



Three Months Ended March 31,	2013			2012
	(in millions)
Unrealized gains (losses) on securities available-for-sale, not other-than temporarily impaired:
Balance at beginning of period	$	992		$	883
Other comprehensive loss for period:
Net unrealized holding losses arising during period, net of tax of ($61) million and $(75) million, respectively	(82		)	(109		)
Reclassification adjustment for gains realized in net income, net of tax of ($47) million and $(12) million, respectively ⁽¹⁾	(68		)	(18		)
Total other comprehensive loss for period	(150		)	(127		)
Balance at end of period	842			756
Unrealized (losses) gains on derivatives classified as cash flow hedges:
Balance at beginning of period	(201		)	(229		)
Other comprehensive income for period:
Net gains arising during period, net of tax of $13 million and $27 million, respectively	21			35
Reclassification adjustment for losses realized in net income, net of tax of $2 million and $2 million, respectively ⁽²⁾	2			2
Total other comprehensive income for period	23			37
Balance at end of period	(178		)	(192		)
Pension and postretirement benefit liability:
Balance at beginning of period	(6		)	(12		)
Other comprehensive income for period:
Change in unfunded pension postretirement liability, net of tax of $1 million	—			1
Amortization of prior service costs and transition obligation included in net income ⁽³⁾	—			—
Total other comprehensive income for period	—			1
Balance at end of period	(6		)	(11		)
Total accumulated other comprehensive income at end of period	$	658		$	553


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


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


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