Discontinued Operations - Additional Information (Details) (USD $)	12 Months Ended		24 Months Ended			3 Months Ended	12 Months Ended
	Dec. 31, 2012 Credit Card Receivable [Member]	Dec. 31, 2011 Credit Card Receivable [Member]	Dec. 31, 2012 Credit Card Receivable [Member]	Dec. 31, 2013 Credit Card Receivable [Member]	May 01, 2012 Credit Card Receivable [Member]	Sep. 30, 2010 Bank Note [Member]	Dec. 31, 2010 Bank Note [Member]	Oct. 31, 2010 Bank Note [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Amortized cost or fair value adjustments	$ 440,000,000	$ 604,000,000	$ 1,000,000,000			$ 12,000,000
Cash consideration received upon sale of discontinued operations					19,200,000,000
Discontinued operations, Assets	0		0	0
Discontinued operations, Liabilities	0		0	0
Closure costs primarily relating to termination and other employee benefits							14,000,000
Cash consideration received upon sale of discontinued operations								11,000,000
Assets and liabilities of Banknotes Business reported of discontinued operations						23,000,000
Allocation of goodwill as held for sale						$ 21,000,000