CONSOLIDATED STATEMENT OF INCOME (UNAUDITED) Consolidated Statement of Income Parenthetical (USD $) In Millions, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2014		Jun. 30, 2013
Income Statement [Abstract]
Net other-than-temporary impairment losses	$ 5	[1]	$ 0	[1]	$ 7	[1]	$ 0	[1]

[1] During the three and six months ended June 30, 2014, other-than-temporary impairment ("OTTI") losses on securities held-to-maturity totaling $5 million and $7 million, respectively, were recognized in other revenues. There were no losses in the non-credit component of such impaired securities reflected in accumulated other comprehensive income ("AOCI"), net of tax during the periods. During the three and six months ended June 30, 2013, there were no OTTI losses on securities recognized in other revenues and no OTTI loss on securities were recognized in the non-credit component in AOCI, net of tax.