XML 124 R7.htm IDEA: XBRL DOCUMENT v2.4.1.9
CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Parenthetical) (USD $)
In Millions, except Per Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Cash dividends-common stock (in dollars per share) $ 0.95us-gaap_CommonStockDividendsPerShareDeclared $ 0.20us-gaap_CommonStockDividendsPerShareDeclared  
Series B Preferred Stock      
Non-cumulative Fixed Dividend Rate per Annum (as percent) 6.00%us-gaap_PreferredStockDividendRatePercentage
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember
6.00%us-gaap_PreferredStockDividendRatePercentage
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesBPreferredStockMember
 
Accounting Standards Update 2014-01      
Reduction of retained interests $ 112us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets1
/ us-gaap_AdjustmentsForNewAccountingPronouncementsAxis
= cof_AccountingStandardsUpdate201401Member
$ 74us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets1
/ us-gaap_AdjustmentsForNewAccountingPronouncementsAxis
= cof_AccountingStandardsUpdate201401Member
$ 49us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets1
/ us-gaap_AdjustmentsForNewAccountingPronouncementsAxis
= cof_AccountingStandardsUpdate201401Member