Loans - Credit Quality Indicators and Other Information (Details) (USD $)				12 Months Ended											12 Months Ended										12 Months Ended					12 Months Ended							12 Months Ended						12 Months Ended																							12 Months Ended																																																																																12 Months Ended												12 Months Ended							12 Months Ended				12 Months Ended																																											12 Months Ended		12 Months Ended																																																																																																																																																																																																																																													12 Months Ended																																																																																																																																																																																		12 Months Ended					12 Months Ended																																																																								12 Months Ended																																																																											12 Months Ended				12 Months Ended						12 Months Ended			12 Months Ended																												12 Months Ended																								12 Months Ended																								12 Months Ended																																																		12 Months Ended																								12 Months Ended																								12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2012 Residential Mortgage [Member] Maximum [Member]	Dec. 31, 2012 Student Loans [Member] Days Past Due, 60 or More, with Notification of Bankruptcy Filing or Other Event [Member]	Dec. 31, 2012 Auto and Student Loans [Member] Days Past Due, 120 or More [Member]	Dec. 31, 2012 Residential Real Estate and Auto Loans [Member] Days Past Due, 60 or More, or Sooner with Determination of Collateral Dependence [Member]	Dec. 31, 2012 Residential Real Estate, Non-Modified Credit Card and Scored Business Banking Loans [Member] Days Past Due, 180 or More [Member]	Dec. 31, 2012 Credit Card and Scored Business Banking Loans [Member] Days Until Charge-Off, Less Than 60, with Notification of Bankruptcy Filing or Other Event [Member]	Dec. 31, 2012 Wholesale Real Estate [Member] Maximum [Member]	Dec. 31, 2012 Wholesale Real Estate [Member] Minimum [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card	Dec. 31, 2011 Consumer, Excluding Credit Card	Dec. 31, 2010 Consumer, Excluding Credit Card	Dec. 31, 2012 Consumer, Excluding Credit Card Days Past Due, 30 or More [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Current, and Less Than 90 Days Past Due [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Days Past Due, 90 or More [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Regulatory Guidance Regarding Chapter 7 Loans [Member] Days Past Due, 60 or More, with Notification of Bankruptcy Filing or Other Event [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Residential Mortgage [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Residential Mortgage [Member] Days Past Due, 150 or More [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Consumer Loan Excluding Credit Card [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Consumer Loan Excluding Credit Card [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Maximum [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Current, and Less Than 30 Days Past Due, and Still Accruing [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Current, and Less Than 30 Days Past Due, and Still Accruing [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Days Past Due, 30 to 149 [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Days Past Due, 30 to 149 [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Days Past Due, 60 or More, with Notification of Bankruptcy Filing or Other Event [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Days Past Due, 90 or More, and Still Accruing [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Days Past Due, 90 or More, and Still Accruing [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Days Past Due, 150 or More [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Days Past Due, 150 or More [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Nonaccrual [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Nonaccrual [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Mortgage Loans Insured or Guaranteed by US Government Agencies [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Mortgage Loans Insured or Guaranteed by US Government Agencies [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Mortgage Loans Insured or Guaranteed by US Government Agencies [Member] Current, and Less Than 30 Days Past Due, and Still Accruing [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Mortgage Loans Insured or Guaranteed by US Government Agencies [Member] Current, and Less Than 30 Days Past Due, and Still Accruing [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Mortgage Loans Insured or Guaranteed by US Government Agencies [Member] Days Past Due, 30 to 149 [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Mortgage Loans Insured or Guaranteed by US Government Agencies [Member] Days Past Due, 30 to 149 [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Mortgage Loans Insured or Guaranteed by US Government Agencies [Member] Days Past Due, 90 or More, and Still Accruing [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Mortgage Loans Insured or Guaranteed by US Government Agencies [Member] Days Past Due, 90 or More [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Mortgage Loans Insured or Guaranteed by US Government Agencies [Member] Days Past Due, 90 or More [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Mortgage Loans Insured or Guaranteed by US Government Agencies [Member] Days Past Due, 150 or More [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Mortgage Loans Insured or Guaranteed by US Government Agencies [Member] Days Past Due, 150 or More [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Mortgage Loans Insured or Guaranteed by US Government Agencies [Member] Nonaccrual [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Mortgage Loans Insured or Guaranteed by US Government Agencies [Member] Nonaccrual [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Greater than 125 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Greater than 125 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Between 101 and 125 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Between 101 and 125 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Between 80 and 100 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Between 80 and 100 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Less than 80 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Less than 80 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Greater than 125 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Greater than 125 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Between 101 and 125 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Between 101 and 125 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Between 80 and 100 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Between 80 and 100 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Less than 80 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Less than 80 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Regulatory Guidance Regarding Chapter 7 Loans [Member] Days Past Due, 30 or More [Member] Maximum [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Regulatory Guidance Regarding Chapter 7 Loans [Member] Nonaccrual [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Arizona [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Arizona [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] California [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] California [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Florida [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Florida [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Illinois [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Illinois [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Michigan [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Michigan [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] New Jersey [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] New Jersey [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] New York [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] New York [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Ohio [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Ohio [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Texas [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Texas [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Washington [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] Washington [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] All Other States [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Residential Real Estate, Excluding Purchased Credit-Impaired [Member] All Other States [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] Current, and Less Than 30 Days Past Due, and Still Accruing [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] Current, and Less Than 30 Days Past Due, and Still Accruing [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] Days Past Due, 30 to 149 [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] Days Past Due, 30 to 149 [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] Days Past Due, 90 or More, and Still Accruing [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] Days Past Due, 90 or More, and Still Accruing [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] Days Past Due, 150 or More [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] Days Past Due, 150 or More [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] Nonaccrual [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] Nonaccrual [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] Mortgage Loans Insured or Guaranteed by US Government Agencies [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] Mortgage Loans Insured or Guaranteed by US Government Agencies [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] Mortgage Loans Insured or Guaranteed by US Government Agencies [Member] Days Past Due, 90 or More [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] Mortgage Loans Insured or Guaranteed by US Government Agencies [Member] Days Past Due, 90 or More [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Greater than 125 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Greater than 125 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Between 101 and 125 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Between 101 and 125 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Between 80 and 100 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Between 80 and 100 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Less than 80 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Less than 80 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Greater than 125 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Greater than 125 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Between 101 and 125 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Between 101 and 125 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Between 80 and 100 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Between 80 and 100 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Less than 80 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Less than 80 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] Regulatory Guidance Regarding Chapter 7 Loans [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] Regulatory Guidance Regarding Chapter 7 Loans [Member] Nonaccrual [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] Arizona [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] Arizona [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] California [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] California [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] Florida [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] Florida [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] Illinois [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] Illinois [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] Michigan [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] Michigan [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] New Jersey [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] New Jersey [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] New York [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] New York [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] Ohio [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] Ohio [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] Texas [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] Texas [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] Washington [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] Washington [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] All Other States [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Senior Lien [Member] All Other States [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Current, and Less Than 30 Days Past Due, and Still Accruing [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Current, and Less Than 30 Days Past Due, and Still Accruing [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Days Past Due, 30 to 89 [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Days Past Due, 30 to 89 [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Days Past Due, 30 to 149 [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Days Past Due, 30 to 149 [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Days Past Due, 90 or More, and Still Accruing [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Days Past Due, 90 or More, and Still Accruing [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Days Past Due, 90 to 149 [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Days Past Due, 90 to 149 [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Days Past Due, 90 or More [Member] Nonaccrual [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Days Past Due, 150 or More [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Days Past Due, 150 or More [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Nonaccrual [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Nonaccrual [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Mortgage Loans Insured or Guaranteed by US Government Agencies [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Mortgage Loans Insured or Guaranteed by US Government Agencies [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Mortgage Loans Insured or Guaranteed by US Government Agencies [Member] Days Past Due, 30 to 149 [Member] Maximum [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Mortgage Loans Insured or Guaranteed by US Government Agencies [Member] Days Past Due, 30 to 149 [Member] Minimum [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Mortgage Loans Insured or Guaranteed by US Government Agencies [Member] Days Past Due, 90 or More [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Mortgage Loans Insured or Guaranteed by US Government Agencies [Member] Days Past Due, 90 or More [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Mortgage Loans Insured or Guaranteed by US Government Agencies [Member] Days Past Due, 150 or More [Member] Minimum [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Greater than 125 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Greater than 125 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Between 101 and 125 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Between 101 and 125 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Between 80 and 100 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Between 80 and 100 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Less than 80 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Less than 80 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Greater than 125 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Greater than 125 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Between 101 and 125 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Between 101 and 125 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Between 80 and 100 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Between 80 and 100 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Less than 80 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Less than 80 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Regulatory Guidance Regarding Chapter 7 Loans [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Regulatory Guidance Regarding Chapter 7 Loans [Member] Nonaccrual [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Regulatory Guidance Regarding Junior Liens Subordinate to Senior Liens [Member] Nonaccrual [Member] Current, and Less Than 30 Days Past Due, and Still Accruing [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Regulatory Guidance Regarding Junior Liens Subordinate to Senior Liens [Member] Nonaccrual [Member] Performing Financing Receivable [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Arizona [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Arizona [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] California [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] California [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Florida [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Florida [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Illinois [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Illinois [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Michigan [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Michigan [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] New Jersey [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] New Jersey [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] New York [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] New York [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Ohio [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Ohio [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Texas [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Texas [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Washington [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] Washington [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] All Other States [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity - Junior Lien [Member] All Other States [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity Junior Lien, Lines of Credit [Member] Home Equity Line of Credit, Amortization Status, Revolving Period [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity Junior Lien, Lines of Credit [Member] Home Equity Line of Credit, Amortization Status, Revolving Period [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity Junior Lien, Lines of Credit [Member] Home Equity Line of Credit, Amortization Status, Amortization Period [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity Junior Lien, Lines of Credit [Member] Home Equity Line of Credit, Amortization Status, Amortization Period [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity Junior Lien, Lines of Credit [Member] Days Past Due, 30 to 89 [Member] Home Equity Line of Credit, Amortization Status, Revolving Period [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity Junior Lien, Lines of Credit [Member] Days Past Due, 30 to 89 [Member] Home Equity Line of Credit, Amortization Status, Revolving Period [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity Junior Lien, Lines of Credit [Member] Days Past Due, 30 to 89 [Member] Home Equity Line of Credit, Amortization Status, Amortization Period [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity Junior Lien, Lines of Credit [Member] Days Past Due, 30 to 89 [Member] Home Equity Line of Credit, Amortization Status, Amortization Period [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity Junior Lien, Lines of Credit [Member] Days Past Due, 90 to 149 [Member] Home Equity Line of Credit, Amortization Status, Revolving Period [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity Junior Lien, Lines of Credit [Member] Days Past Due, 90 to 149 [Member] Home Equity Line of Credit, Amortization Status, Revolving Period [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity Junior Lien, Lines of Credit [Member] Days Past Due, 90 to 149 [Member] Home Equity Line of Credit, Amortization Status, Amortization Period [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity Junior Lien, Lines of Credit [Member] Days Past Due, 90 to 149 [Member] Home Equity Line of Credit, Amortization Status, Amortization Period [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity Junior Lien, Lines of Credit [Member] Days Past Due, 150 or More [Member] Home Equity Line of Credit, Amortization Status, Revolving Period [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity Junior Lien, Lines of Credit [Member] Days Past Due, 150 or More [Member] Home Equity Line of Credit, Amortization Status, Revolving Period [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity Junior Lien, Lines of Credit [Member] Days Past Due, 150 or More [Member] Home Equity Line of Credit, Amortization Status, Amortization Period [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity Junior Lien, Lines of Credit [Member] Days Past Due, 150 or More [Member] Home Equity Line of Credit, Amortization Status, Amortization Period [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity Junior Lien, Excluding Lines of Credit [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity Junior Lien, Excluding Lines of Credit [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity Junior Lien, Excluding Lines of Credit [Member] Days Past Due, 30 to 89 [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity Junior Lien, Excluding Lines of Credit [Member] Days Past Due, 30 to 89 [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity Junior Lien, Excluding Lines of Credit [Member] Days Past Due, 90 to 149 [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity Junior Lien, Excluding Lines of Credit [Member] Days Past Due, 90 to 149 [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Home Equity Junior Lien, Excluding Lines of Credit [Member] Days Past Due, 150 or More [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Home Equity Junior Lien, Excluding Lines of Credit [Member] Days Past Due, 150 or More [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Current, and Less Than 30 Days Past Due, and Still Accruing [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Current, and Less Than 30 Days Past Due, and Still Accruing [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Days Past Due, 30 to 149 [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Days Past Due, 30 to 149 [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Days Past Due, 90 or More, and Still Accruing [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Days Past Due, 90 or More, and Still Accruing [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Days Past Due, 150 or More [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Days Past Due, 150 or More [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Nonaccrual [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Nonaccrual [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Mortgage Loans Insured or Guaranteed by US Government Agencies [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Mortgage Loans Insured or Guaranteed by US Government Agencies [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Mortgage Loans Insured or Guaranteed by US Government Agencies [Member] Days Past Due, 30 or More [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Mortgage Loans Insured or Guaranteed by US Government Agencies [Member] Days Past Due, 30 or More [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Mortgage Loans Insured or Guaranteed by US Government Agencies [Member] Days Past Due, 90 or More [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Mortgage Loans Insured or Guaranteed by US Government Agencies [Member] Days Past Due, 90 or More [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Greater than 125 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Greater than 125 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Between 101 and 125 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Between 101 and 125 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Between 80 and 100 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Between 80 and 100 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Less than 80 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Less than 80 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Greater than 125 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Greater than 125 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Between 101 and 125 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Between 101 and 125 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Between 80 and 100 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Between 80 and 100 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Less than 80 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Less than 80 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Regulatory Guidance Regarding Chapter 7 Loans [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Regulatory Guidance Regarding Chapter 7 Loans [Member] Nonaccrual [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Arizona [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Arizona [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] California [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] California [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Florida [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Florida [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Illinois [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Illinois [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Michigan [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Michigan [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] New Jersey [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] New Jersey [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] New York [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] New York [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Ohio [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Ohio [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Texas [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Texas [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Washington [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] Washington [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] All Other States [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Prime Mortgages, Including Option ARMs [Member] All Other States [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Subprime Mortgages [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Subprime Mortgages [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Subprime Mortgages [Member] Current, and Less Than 30 Days Past Due, and Still Accruing [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Subprime Mortgages [Member] Current, and Less Than 30 Days Past Due, and Still Accruing [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Subprime Mortgages [Member] Days Past Due, 30 to 149 [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Subprime Mortgages [Member] Days Past Due, 30 to 149 [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Subprime Mortgages [Member] Days Past Due, 90 or More, and Still Accruing [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Subprime Mortgages [Member] Days Past Due, 90 or More, and Still Accruing [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Subprime Mortgages [Member] Days Past Due, 150 or More [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Subprime Mortgages [Member] Days Past Due, 150 or More [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Subprime Mortgages [Member] Nonaccrual [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Subprime Mortgages [Member] Nonaccrual [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Subprime Mortgages [Member] Mortgage Loans Insured or Guaranteed by US Government Agencies [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Subprime Mortgages [Member] Mortgage Loans Insured or Guaranteed by US Government Agencies [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Subprime Mortgages [Member] Mortgage Loans Insured or Guaranteed by US Government Agencies [Member] Days Past Due, 90 or More [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Subprime Mortgages [Member] Mortgage Loans Insured or Guaranteed by US Government Agencies [Member] Days Past Due, 90 or More [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Subprime Mortgages [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Greater than 125 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Subprime Mortgages [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Greater than 125 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Subprime Mortgages [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Between 101 and 125 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Subprime Mortgages [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Between 101 and 125 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Subprime Mortgages [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Between 80 and 100 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Subprime Mortgages [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Between 80 and 100 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Subprime Mortgages [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Less than 80 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Subprime Mortgages [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Less than 80 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Subprime Mortgages [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Greater than 125 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Subprime Mortgages [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Greater than 125 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Subprime Mortgages [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Between 101 and 125 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Subprime Mortgages [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Between 101 and 125 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Subprime Mortgages [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Between 80 and 100 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Subprime Mortgages [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Between 80 and 100 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Subprime Mortgages [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Less than 80 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Subprime Mortgages [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Less than 80 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Subprime Mortgages [Member] Regulatory Guidance Regarding Chapter 7 Loans [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Subprime Mortgages [Member] Regulatory Guidance Regarding Chapter 7 Loans [Member] Nonaccrual [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Subprime Mortgages [Member] Arizona [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Subprime Mortgages [Member] Arizona [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Subprime Mortgages [Member] California [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Subprime Mortgages [Member] California [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Subprime Mortgages [Member] Florida [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Subprime Mortgages [Member] Florida [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Subprime Mortgages [Member] Illinois [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Subprime Mortgages [Member] Illinois [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Subprime Mortgages [Member] Michigan [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Subprime Mortgages [Member] Michigan [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Subprime Mortgages [Member] New Jersey [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Subprime Mortgages [Member] New Jersey [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Subprime Mortgages [Member] New York [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Subprime Mortgages [Member] New York [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Subprime Mortgages [Member] Ohio [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Subprime Mortgages [Member] Ohio [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Subprime Mortgages [Member] Texas [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Subprime Mortgages [Member] Texas [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Subprime Mortgages [Member] Washington [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Subprime Mortgages [Member] Washington [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Subprime Mortgages [Member] All Other States [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Subprime Mortgages [Member] All Other States [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Purchased Credit-Impaired [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Purchased Credit-Impaired [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Purchased Credit-Impaired [Member] Current, and Less Than 30 Days Past Due, and Still Accruing [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Purchased Credit-Impaired [Member] Current, and Less Than 30 Days Past Due, and Still Accruing [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Purchased Credit-Impaired [Member] Days Past Due, 30 to 149 [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Purchased Credit-Impaired [Member] Days Past Due, 30 to 149 [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Purchased Credit-Impaired [Member] Days Past Due, 150 or More [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Purchased Credit-Impaired [Member] Days Past Due, 150 or More [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Purchased Credit-Impaired [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Greater than 125 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Purchased Credit-Impaired [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Greater than 125 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Purchased Credit-Impaired [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Between 101 and 125 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Purchased Credit-Impaired [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Between 101 and 125 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Purchased Credit-Impaired [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Between 80 and 100 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Purchased Credit-Impaired [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Between 80 and 100 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Purchased Credit-Impaired [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Less than 80 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Purchased Credit-Impaired [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Less than 80 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Purchased Credit-Impaired [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Greater than 125 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Purchased Credit-Impaired [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Greater than 125 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Purchased Credit-Impaired [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Between 101 and 125 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Purchased Credit-Impaired [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Between 101 and 125 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Purchased Credit-Impaired [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Between 80 and 100 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Purchased Credit-Impaired [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Between 80 and 100 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Purchased Credit-Impaired [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Less than 80 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Purchased Credit-Impaired [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Less than 80 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Purchased Credit-Impaired [Member] Arizona [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Purchased Credit-Impaired [Member] Arizona [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Purchased Credit-Impaired [Member] California [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Purchased Credit-Impaired [Member] California [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Purchased Credit-Impaired [Member] Florida [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Purchased Credit-Impaired [Member] Florida [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Purchased Credit-Impaired [Member] Illinois [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Purchased Credit-Impaired [Member] Illinois [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Purchased Credit-Impaired [Member] Michigan [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Purchased Credit-Impaired [Member] Michigan [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Purchased Credit-Impaired [Member] New Jersey [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Purchased Credit-Impaired [Member] New Jersey [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Purchased Credit-Impaired [Member] New York [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Purchased Credit-Impaired [Member] New York [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Purchased Credit-Impaired [Member] Ohio [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Purchased Credit-Impaired [Member] Ohio [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Purchased Credit-Impaired [Member] Texas [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Purchased Credit-Impaired [Member] Texas [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Purchased Credit-Impaired [Member] Washington [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Purchased Credit-Impaired [Member] Washington [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Purchased Credit-Impaired [Member] All Other States [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Purchased Credit-Impaired [Member] All Other States [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Home Equity [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Home Equity [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Home Equity [Member] Current, and Less Than 30 Days Past Due, and Still Accruing [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Home Equity [Member] Current, and Less Than 30 Days Past Due, and Still Accruing [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Home Equity [Member] Days Past Due, 30 to 149 [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Home Equity [Member] Days Past Due, 30 to 149 [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Home Equity [Member] Days Past Due, 150 or More [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Home Equity [Member] Days Past Due, 150 or More [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Home Equity [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Greater than 125 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Home Equity [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Greater than 125 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Home Equity [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Between 101 and 125 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Home Equity [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Between 101 and 125 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Home Equity [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Between 80 and 100 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Home Equity [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Between 80 and 100 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Home Equity [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Less than 80 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Home Equity [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Less than 80 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Home Equity [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Greater than 125 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Home Equity [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Greater than 125 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Home Equity [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Between 101 and 125 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Home Equity [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Between 101 and 125 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Home Equity [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Between 80 and 100 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Home Equity [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Between 80 and 100 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Home Equity [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Less than 80 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Home Equity [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Less than 80 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Home Equity [Member] Arizona [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Home Equity [Member] Arizona [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Home Equity [Member] California [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Home Equity [Member] California [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Home Equity [Member] Florida [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Home Equity [Member] Florida [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Home Equity [Member] Illinois [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Home Equity [Member] Illinois [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Home Equity [Member] Michigan [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Home Equity [Member] Michigan [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Home Equity [Member] New Jersey [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Home Equity [Member] New Jersey [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Home Equity [Member] New York [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Home Equity [Member] New York [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Home Equity [Member] Ohio [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Home Equity [Member] Ohio [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Home Equity [Member] Texas [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Home Equity [Member] Texas [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Home Equity [Member] Washington [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Home Equity [Member] Washington [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Home Equity [Member] All Other States [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Home Equity [Member] All Other States [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Purchased Credit-Impaired, Home Equity Senior Lien [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Purchased Credit-Impaired, Home Equity Junior Lien [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Purchased Credit-Impaired, Home Equity Junior Lien [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Purchased Credit-Impaired, Home Equity Junior Lien [Member] Days Past Due, 30 to 89 [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Purchased Credit-Impaired, Home Equity Junior Lien [Member] Days Past Due, 30 to 89 [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Purchased Credit-Impaired, Home Equity Junior Lien [Member] Days Past Due, 90 to 149 [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Purchased Credit-Impaired, Home Equity Junior Lien [Member] Days Past Due, 90 to 149 [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Purchased Credit-Impaired, Home Equity Junior Lien [Member] Days Past Due, 150 or More [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Purchased Credit-Impaired, Home Equity Junior Lien [Member] Days Past Due, 150 or More [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Purchased Credit-Impaired, Home Equity Junior Lien, Lines of Credit [Member] Home Equity Line of Credit, Amortization Status, Revolving Period [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Purchased Credit-Impaired, Home Equity Junior Lien, Lines of Credit [Member] Home Equity Line of Credit, Amortization Status, Revolving Period [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Purchased Credit-Impaired, Home Equity Junior Lien, Lines of Credit [Member] Home Equity Line of Credit, Amortization Status, Amortization Period [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Purchased Credit-Impaired, Home Equity Junior Lien, Lines of Credit [Member] Home Equity Line of Credit, Amortization Status, Amortization Period [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Purchased Credit-Impaired, Home Equity Junior Lien, Lines of Credit [Member] Days Past Due, 30 to 89 [Member] Home Equity Line of Credit, Amortization Status, Revolving Period [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Purchased Credit-Impaired, Home Equity Junior Lien, Lines of Credit [Member] Days Past Due, 30 to 89 [Member] Home Equity Line of Credit, Amortization Status, Revolving Period [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Purchased Credit-Impaired, Home Equity Junior Lien, Lines of Credit [Member] Days Past Due, 30 to 89 [Member] Home Equity Line of Credit, Amortization Status, Amortization Period [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Purchased Credit-Impaired, Home Equity Junior Lien, Lines of Credit [Member] Days Past Due, 30 to 89 [Member] Home Equity Line of Credit, Amortization Status, Amortization Period [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Purchased Credit-Impaired, Home Equity Junior Lien, Lines of Credit [Member] Days Past Due, 90 to 149 [Member] Home Equity Line of Credit, Amortization Status, Revolving Period [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Purchased Credit-Impaired, Home Equity Junior Lien, Lines of Credit [Member] Days Past Due, 90 to 149 [Member] Home Equity Line of Credit, Amortization Status, Revolving Period [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Purchased Credit-Impaired, Home Equity Junior Lien, Lines of Credit [Member] Days Past Due, 90 to 149 [Member] Home Equity Line of Credit, Amortization Status, Amortization Period [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Purchased Credit-Impaired, Home Equity Junior Lien, Lines of Credit [Member] Days Past Due, 90 to 149 [Member] Home Equity Line of Credit, Amortization Status, Amortization Period [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Purchased Credit-Impaired, Home Equity Junior Lien, Lines of Credit [Member] Days Past Due, 150 or More [Member] Home Equity Line of Credit, Amortization Status, Revolving Period [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Purchased Credit-Impaired, Home Equity Junior Lien, Lines of Credit [Member] Days Past Due, 150 or More [Member] Home Equity Line of Credit, Amortization Status, Revolving Period [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Purchased Credit-Impaired, Home Equity Junior Lien, Lines of Credit [Member] Days Past Due, 150 or More [Member] Home Equity Line of Credit, Amortization Status, Amortization Period [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Purchased Credit-Impaired, Home Equity Junior Lien, Lines of Credit [Member] Days Past Due, 150 or More [Member] Home Equity Line of Credit, Amortization Status, Amortization Period [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Purchased Credit-Impaired, Home Equity Junior Lien, Excluding Lines of Credit [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Purchased Credit-Impaired, Home Equity Junior Lien, Excluding Lines of Credit [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Purchased Credit-Impaired, Home Equity Junior Lien, Excluding Lines of Credit [Member] Days Past Due, 30 to 89 [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Purchased Credit-Impaired, Home Equity Junior Lien, Excluding Lines of Credit [Member] Days Past Due, 30 to 89 [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Purchased Credit-Impaired, Home Equity Junior Lien, Excluding Lines of Credit [Member] Days Past Due, 90 to 149 [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Purchased Credit-Impaired, Home Equity Junior Lien, Excluding Lines of Credit [Member] Days Past Due, 90 to 149 [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Purchased Credit-Impaired, Home Equity Junior Lien, Excluding Lines of Credit [Member] Days Past Due, 150 or More [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Purchased Credit-Impaired, Home Equity Junior Lien, Excluding Lines of Credit [Member] Days Past Due, 150 or More [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Prime Mortgage [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Prime Mortgage [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Prime Mortgage [Member] Current, and Less Than 30 Days Past Due, and Still Accruing [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Prime Mortgage [Member] Current, and Less Than 30 Days Past Due, and Still Accruing [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Prime Mortgage [Member] Days Past Due, 30 to 149 [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Prime Mortgage [Member] Days Past Due, 30 to 149 [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Prime Mortgage [Member] Days Past Due, 150 or More [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Prime Mortgage [Member] Days Past Due, 150 or More [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Prime Mortgage [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Greater than 125 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Prime Mortgage [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Greater than 125 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Prime Mortgage [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Between 101 and 125 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Prime Mortgage [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Between 101 and 125 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Prime Mortgage [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Between 80 and 100 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Prime Mortgage [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Between 80 and 100 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Prime Mortgage [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Less than 80 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Prime Mortgage [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Less than 80 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Prime Mortgage [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Greater than 125 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Prime Mortgage [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Greater than 125 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Prime Mortgage [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Between 101 and 125 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Prime Mortgage [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Between 101 and 125 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Prime Mortgage [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Between 80 and 100 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Prime Mortgage [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Between 80 and 100 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Prime Mortgage [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Less than 80 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Prime Mortgage [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Less than 80 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Prime Mortgage [Member] Arizona [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Prime Mortgage [Member] Arizona [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Prime Mortgage [Member] California [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Prime Mortgage [Member] California [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Prime Mortgage [Member] Florida [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Prime Mortgage [Member] Florida [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Prime Mortgage [Member] Illinois [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Prime Mortgage [Member] Illinois [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Prime Mortgage [Member] Michigan [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Prime Mortgage [Member] Michigan [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Prime Mortgage [Member] New Jersey [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Prime Mortgage [Member] New Jersey [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Prime Mortgage [Member] New York [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Prime Mortgage [Member] New York [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Prime Mortgage [Member] Ohio [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Prime Mortgage [Member] Ohio [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Prime Mortgage [Member] Texas [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Prime Mortgage [Member] Texas [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Prime Mortgage [Member] Washington [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Prime Mortgage [Member] Washington [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Prime Mortgage [Member] All Other States [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Prime Mortgage [Member] All Other States [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Subprime Mortgage [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Subprime Mortgage [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Subprime Mortgage [Member] Current, and Less Than 30 Days Past Due, and Still Accruing [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Subprime Mortgage [Member] Current, and Less Than 30 Days Past Due, and Still Accruing [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Subprime Mortgage [Member] Days Past Due, 30 to 149 [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Subprime Mortgage [Member] Days Past Due, 30 to 149 [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Subprime Mortgage [Member] Days Past Due, 150 or More [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Subprime Mortgage [Member] Days Past Due, 150 or More [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Subprime Mortgage [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Greater than 125 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Subprime Mortgage [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Greater than 125 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Subprime Mortgage [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Between 101 and 125 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Subprime Mortgage [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Between 101 and 125 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Subprime Mortgage [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Between 80 and 100 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Subprime Mortgage [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Between 80 and 100 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Subprime Mortgage [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Less than 80 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Subprime Mortgage [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Less than 80 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Subprime Mortgage [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Greater than 125 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Subprime Mortgage [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Greater than 125 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Subprime Mortgage [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Between 101 and 125 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Subprime Mortgage [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Between 101 and 125 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Subprime Mortgage [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Between 80 and 100 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Subprime Mortgage [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Between 80 and 100 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Subprime Mortgage [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Less than 80 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Subprime Mortgage [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Less than 80 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Subprime Mortgage [Member] Arizona [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Subprime Mortgage [Member] Arizona [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Subprime Mortgage [Member] California [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Subprime Mortgage [Member] California [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Subprime Mortgage [Member] Florida [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Subprime Mortgage [Member] Florida [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Subprime Mortgage [Member] Illinois [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Subprime Mortgage [Member] Illinois [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Subprime Mortgage [Member] Michigan [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Subprime Mortgage [Member] Michigan [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Subprime Mortgage [Member] New Jersey [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Subprime Mortgage [Member] New Jersey [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Subprime Mortgage [Member] New York [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Subprime Mortgage [Member] New York [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Subprime Mortgage [Member] Ohio [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Subprime Mortgage [Member] Ohio [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Subprime Mortgage [Member] Texas [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Subprime Mortgage [Member] Texas [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Subprime Mortgage [Member] Washington [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Subprime Mortgage [Member] Washington [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Subprime Mortgage [Member] All Other States [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Subprime Mortgage [Member] All Other States [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Option ARMs [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Option ARMs [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Option ARMs [Member] Current, and Less Than 30 Days Past Due, and Still Accruing [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Option ARMs [Member] Current, and Less Than 30 Days Past Due, and Still Accruing [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Option ARMs [Member] Days Past Due, 30 to 149 [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Option ARMs [Member] Days Past Due, 30 to 149 [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Option ARMs [Member] Days Past Due, 150 or More [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Option ARMs [Member] Days Past Due, 150 or More [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Option ARMs [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Greater than 125 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Option ARMs [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Greater than 125 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Option ARMs [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Between 101 and 125 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Option ARMs [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Between 101 and 125 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Option ARMs [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Between 80 and 100 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Option ARMs [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Between 80 and 100 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Option ARMs [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Less than 80 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Option ARMs [Member] Refreshed FICO Scores Equal to or Greater than 660 [Member] Current Estimated LTV Ratio Less than 80 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Option ARMs [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Greater than 125 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Option ARMs [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Greater than 125 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Option ARMs [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Between 101 and 125 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Option ARMs [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Between 101 and 125 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Option ARMs [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Between 80 and 100 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Option ARMs [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Between 80 and 100 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Option ARMs [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Less than 80 Percent [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Option ARMs [Member] Refreshed FICO Scores Less than 660 [Member] Current Estimated LTV Ratio Less than 80 Percent [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Option ARMs [Member] Arizona [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Option ARMs [Member] Arizona [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Option ARMs [Member] California [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Option ARMs [Member] California [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Option ARMs [Member] Florida [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Option ARMs [Member] Florida [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Option ARMs [Member] Illinois [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Option ARMs [Member] Illinois [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Option ARMs [Member] Michigan [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Option ARMs [Member] Michigan [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Option ARMs [Member] New Jersey [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Option ARMs [Member] New Jersey [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Option ARMs [Member] New York [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Option ARMs [Member] New York [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Option ARMs [Member] Ohio [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Option ARMs [Member] Ohio [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Option ARMs [Member] Texas [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Option ARMs [Member] Texas [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Option ARMs [Member] Washington [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Option ARMs [Member] Washington [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card PCI Option ARMs [Member] All Other States [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card PCI Option ARMs [Member] All Other States [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Other Consumer [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Other Consumer [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Other Consumer [Member] Current, and Less Than 30 Days Past Due, and Still Accruing [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Other Consumer [Member] Current, and Less Than 30 Days Past Due, and Still Accruing [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Other Consumer [Member] Days Past Due, 30 to 119 [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Other Consumer [Member] Days Past Due, 30 to 119 [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Other Consumer [Member] Days Past Due, 90 or More, and Still Accruing [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Other Consumer [Member] Days Past Due, 90 or More, and Still Accruing [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Other Consumer [Member] Days Past Due, 120 or More [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Other Consumer [Member] Days Past Due, 120 or More [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Other Consumer [Member] Nonaccrual [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Other Consumer [Member] Nonaccrual [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Other Consumer [Member] Student and Other Loans Insured or Guaranteed by U.S. Government Agencies [Member] Current, and Less Than 30 Days Past Due, and Still Accruing [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Other Consumer [Member] Student and Other Loans Insured or Guaranteed by U.S. Government Agencies [Member] Current, and Less Than 30 Days Past Due, and Still Accruing [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Other Consumer [Member] Student and Other Loans Insured or Guaranteed by U.S. Government Agencies [Member] Days Past Due, 30 to 119 [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Other Consumer [Member] Student and Other Loans Insured or Guaranteed by U.S. Government Agencies [Member] Days Past Due, 30 to 119 [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Other Consumer [Member] Student and Other Loans Insured or Guaranteed by U.S. Government Agencies [Member] Days Past Due, 30 to 119 [Member] Maximum [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Other Consumer [Member] Student and Other Loans Insured or Guaranteed by U.S. Government Agencies [Member] Days Past Due, 30 to 119 [Member] Minimum [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Other Consumer [Member] Student and Other Loans Insured or Guaranteed by U.S. Government Agencies [Member] Days Past Due, 30 or More, and Still Accruing [Member] Minimum [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Other Consumer [Member] Student and Other Loans Insured or Guaranteed by U.S. Government Agencies [Member] Days Past Due, 120 or More [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Other Consumer [Member] Student and Other Loans Insured or Guaranteed by U.S. Government Agencies [Member] Days Past Due, 120 or More [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Other Consumer [Member] Student and Other Loans Insured or Guaranteed by U.S. Government Agencies [Member] Days Past Due, 120 or More [Member] Minimum [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Other Consumer [Member] Noncriticized [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Other Consumer [Member] Noncriticized [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Other Consumer [Member] Criticized Performing [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Other Consumer [Member] Criticized Performing [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Other Consumer [Member] Criticized Nonaccrual [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Other Consumer [Member] Criticized Nonaccrual [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Other Consumer [Member] Arizona [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Other Consumer [Member] Arizona [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Other Consumer [Member] California [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Other Consumer [Member] California [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Other Consumer [Member] Florida [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Other Consumer [Member] Florida [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Other Consumer [Member] Illinois [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Other Consumer [Member] Illinois [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Other Consumer [Member] Michigan [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Other Consumer [Member] Michigan [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Other Consumer [Member] New Jersey [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Other Consumer [Member] New Jersey [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Other Consumer [Member] New York [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Other Consumer [Member] New York [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Other Consumer [Member] Ohio [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Other Consumer [Member] Ohio [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Other Consumer [Member] Texas [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Other Consumer [Member] Texas [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Other Consumer [Member] Washington [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Other Consumer [Member] Washington [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Other Consumer [Member] All Other States [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Other Consumer [Member] All Other States [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Auto Loans [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Auto Loans [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Auto Loans [Member] Current, and Less Than 30 Days Past Due, and Still Accruing [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Auto Loans [Member] Current, and Less Than 30 Days Past Due, and Still Accruing [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Auto Loans [Member] Days Past Due, 30 to 119 [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Auto Loans [Member] Days Past Due, 30 to 119 [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Auto Loans [Member] Days Past Due, 90 or More, and Still Accruing [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Auto Loans [Member] Days Past Due, 90 or More, and Still Accruing [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Auto Loans [Member] Days Past Due, 120 or More [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Auto Loans [Member] Days Past Due, 120 or More [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Auto Loans [Member] Nonaccrual [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Auto Loans [Member] Nonaccrual [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Auto Loans [Member] Noncriticized [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Auto Loans [Member] Noncriticized [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Auto Loans [Member] Criticized Performing [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Auto Loans [Member] Criticized Performing [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Auto Loans [Member] Criticized Nonaccrual [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Auto Loans [Member] Criticized Nonaccrual [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Auto Loans [Member] Regulatory Guidance Regarding Chapter 7 Loans [Member] Nonaccrual [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Auto Loans [Member] Arizona [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Auto Loans [Member] Arizona [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Auto Loans [Member] California [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Auto Loans [Member] California [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Auto Loans [Member] Florida [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Auto Loans [Member] Florida [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Auto Loans [Member] Illinois [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Auto Loans [Member] Illinois [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Auto Loans [Member] Michigan [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Auto Loans [Member] Michigan [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Auto Loans [Member] New Jersey [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Auto Loans [Member] New Jersey [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Auto Loans [Member] New York [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Auto Loans [Member] New York [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Auto Loans [Member] Ohio [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Auto Loans [Member] Ohio [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Auto Loans [Member] Texas [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Auto Loans [Member] Texas [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Auto Loans [Member] Washington [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Auto Loans [Member] Washington [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Auto Loans [Member] All Other States [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Auto Loans [Member] All Other States [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Business Banking Loans [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Business Banking Loans [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Business Banking Loans [Member] Maximum [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Business Banking Loans [Member] Current, and Less Than 30 Days Past Due, and Still Accruing [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Business Banking Loans [Member] Current, and Less Than 30 Days Past Due, and Still Accruing [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Business Banking Loans [Member] Days Past Due, 30 to 119 [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Business Banking Loans [Member] Days Past Due, 30 to 119 [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Business Banking Loans [Member] Days Past Due, 90 or More, and Still Accruing [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Business Banking Loans [Member] Days Past Due, 90 or More, and Still Accruing [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Business Banking Loans [Member] Days Past Due, 120 or More [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Business Banking Loans [Member] Days Past Due, 120 or More [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Business Banking Loans [Member] Nonaccrual [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Business Banking Loans [Member] Nonaccrual [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Business Banking Loans [Member] Noncriticized [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Business Banking Loans [Member] Noncriticized [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Business Banking Loans [Member] Criticized Performing [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Business Banking Loans [Member] Criticized Performing [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Business Banking Loans [Member] Criticized Nonaccrual [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Business Banking Loans [Member] Criticized Nonaccrual [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Business Banking Loans [Member] Arizona [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Business Banking Loans [Member] Arizona [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Business Banking Loans [Member] California [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Business Banking Loans [Member] California [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Business Banking Loans [Member] Florida [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Business Banking Loans [Member] Florida [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Business Banking Loans [Member] Illinois [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Business Banking Loans [Member] Illinois [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Business Banking Loans [Member] Michigan [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Business Banking Loans [Member] Michigan [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Business Banking Loans [Member] New Jersey [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Business Banking Loans [Member] New Jersey [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Business Banking Loans [Member] New York [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Business Banking Loans [Member] New York [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Business Banking Loans [Member] Ohio [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Business Banking Loans [Member] Ohio [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Business Banking Loans [Member] Texas [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Business Banking Loans [Member] Texas [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Business Banking Loans [Member] Washington [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Business Banking Loans [Member] Washington [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Business Banking Loans [Member] All Other States [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Business Banking Loans [Member] All Other States [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Student and Other Loans [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Student and Other Loans [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Student and Other Loans [Member] Current, and Less Than 30 Days Past Due, and Still Accruing [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Student and Other Loans [Member] Current, and Less Than 30 Days Past Due, and Still Accruing [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Student and Other Loans [Member] Days Past Due, 30 to 119 [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Student and Other Loans [Member] Days Past Due, 30 to 119 [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Student and Other Loans [Member] Days Past Due, 90 or More, and Still Accruing [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Student and Other Loans [Member] Days Past Due, 90 or More, and Still Accruing [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Student and Other Loans [Member] Days Past Due, 120 or More [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Student and Other Loans [Member] Days Past Due, 120 or More [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Student and Other Loans [Member] Nonaccrual [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Student and Other Loans [Member] Nonaccrual [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Student and Other Loans [Member] Student and Other Loans Insured or Guaranteed by U.S. Government Agencies [Member] Days Past Due, 30 or More, and Still Accruing [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Student and Other Loans [Member] Student and Other Loans Insured or Guaranteed by U.S. Government Agencies [Member] Days Past Due, 30 or More, and Still Accruing [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Student and Other Loans [Member] Arizona [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Student and Other Loans [Member] Arizona [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Student and Other Loans [Member] California [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Student and Other Loans [Member] California [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Student and Other Loans [Member] Florida [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Student and Other Loans [Member] Florida [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Student and Other Loans [Member] Illinois [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Student and Other Loans [Member] Illinois [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Student and Other Loans [Member] Michigan [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Student and Other Loans [Member] Michigan [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Student and Other Loans [Member] New Jersey [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Student and Other Loans [Member] New Jersey [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Student and Other Loans [Member] New York [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Student and Other Loans [Member] New York [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Student and Other Loans [Member] Ohio [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Student and Other Loans [Member] Ohio [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Student and Other Loans [Member] Texas [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Student and Other Loans [Member] Texas [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Student and Other Loans [Member] Washington [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Student and Other Loans [Member] Washington [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Student and Other Loans [Member] All Other States [Member]	Dec. 31, 2011 Consumer, Excluding Credit Card Student and Other Loans [Member] All Other States [Member]	Dec. 31, 2012 Consumer, Excluding Credit Card Scored Auto and Business Banking Loans [Member]	Dec. 31, 2012 Credit Card	Dec. 31, 2011 Credit Card	Dec. 31, 2010 Credit Card	Dec. 31, 2012 Credit Card Credit Card Loan [Member]	Dec. 31, 2011 Credit Card Credit Card Loan [Member]	Dec. 31, 2012 Credit Card Credit Card Loan [Member] Current, and Less Than 30 Days Past Due, and Still Accruing [Member]	Dec. 31, 2011 Credit Card Credit Card Loan [Member] Current, and Less Than 30 Days Past Due, and Still Accruing [Member]	Dec. 31, 2012 Credit Card Credit Card Loan [Member] Days Past Due, 30 to 89, and Still Accruing [Member]	Dec. 31, 2011 Credit Card Credit Card Loan [Member] Days Past Due, 30 to 89, and Still Accruing [Member]	Dec. 31, 2012 Credit Card Credit Card Loan [Member] Days Past Due, 30 or More [Member]	Dec. 31, 2012 Credit Card Credit Card Loan [Member] Days Past Due, 90 or More, and Still Accruing [Member]	Dec. 31, 2011 Credit Card Credit Card Loan [Member] Days Past Due, 90 or More, and Still Accruing [Member]	Dec. 31, 2012 Credit Card Credit Card Loan [Member] Days Past Due, 90 or More [Member]	Dec. 31, 2012 Credit Card Credit Card Loan [Member] Nonaccrual [Member]	Dec. 31, 2011 Credit Card Credit Card Loan [Member] Nonaccrual [Member]	Dec. 31, 2012 Credit Card Credit Card Loan [Member] California [Member]	Dec. 31, 2011 Credit Card Credit Card Loan [Member] California [Member]	Dec. 31, 2012 Credit Card Credit Card Loan [Member] Florida [Member]	Dec. 31, 2011 Credit Card Credit Card Loan [Member] Florida [Member]	Dec. 31, 2012 Credit Card Credit Card Loan [Member] Illinois [Member]	Dec. 31, 2011 Credit Card Credit Card Loan [Member] Illinois [Member]	Dec. 31, 2012 Credit Card Credit Card Loan [Member] Michigan [Member]	Dec. 31, 2011 Credit Card Credit Card Loan [Member] Michigan [Member]	Dec. 31, 2012 Credit Card Credit Card Loan [Member] New Jersey [Member]	Dec. 31, 2011 Credit Card Credit Card Loan [Member] New Jersey [Member]	Dec. 31, 2012 Credit Card Credit Card Loan [Member] New York [Member]	Dec. 31, 2011 Credit Card Credit Card Loan [Member] New York [Member]	Dec. 31, 2012 Credit Card Credit Card Loan [Member] Ohio [Member]	Dec. 31, 2011 Credit Card Credit Card Loan [Member] Ohio [Member]	Dec. 31, 2012 Credit Card Credit Card Loan [Member] Pennsylvania [Member]	Dec. 31, 2011 Credit Card Credit Card Loan [Member] Pennsylvania [Member]	Dec. 31, 2012 Credit Card Credit Card Loan [Member] Texas [Member]	Dec. 31, 2011 Credit Card Credit Card Loan [Member] Texas [Member]	Dec. 31, 2012 Credit Card Credit Card Loan [Member] Virginia [Member]	Dec. 31, 2011 Credit Card Credit Card Loan [Member] Virginia [Member]	Dec. 31, 2012 Credit Card Credit Card Loan [Member] All Other States [Member]	Dec. 31, 2011 Credit Card Credit Card Loan [Member] All Other States [Member]	Dec. 31, 2012 Wholesale	Dec. 31, 2011 Wholesale	Dec. 31, 2010 Wholesale	Dec. 31, 2012 Wholesale Wholesale Loan [Member]	Dec. 31, 2011 Wholesale Wholesale Loan [Member]	Dec. 31, 2012 Wholesale Wholesale Loan [Member] Current, and Less Than 30 Days Past Due, and Still Accruing [Member]	Dec. 31, 2011 Wholesale Wholesale Loan [Member] Current, and Less Than 30 Days Past Due, and Still Accruing [Member]	Dec. 31, 2012 Wholesale Wholesale Loan [Member] Days Past Due, 30 to 89, and Still Accruing [Member]	Dec. 31, 2011 Wholesale Wholesale Loan [Member] Days Past Due, 30 to 89, and Still Accruing [Member]	Dec. 31, 2012 Wholesale Wholesale Loan [Member] Days Past Due, 90 or More, and Still Accruing [Member]	Dec. 31, 2011 Wholesale Wholesale Loan [Member] Days Past Due, 90 or More, and Still Accruing [Member]	Dec. 31, 2012 Wholesale Wholesale Loan [Member] Nonaccrual [Member]	Dec. 31, 2011 Wholesale Wholesale Loan [Member] Nonaccrual [Member]	Dec. 31, 2012 Wholesale Wholesale Loan [Member] Investment Grade [Member]	Dec. 31, 2011 Wholesale Wholesale Loan [Member] Investment Grade [Member]	Dec. 31, 2012 Wholesale Wholesale Loan [Member] Noninvestment Grade [Member]	Dec. 31, 2011 Wholesale Wholesale Loan [Member] Noninvestment Grade [Member]	Dec. 31, 2012 Wholesale Wholesale Loan [Member] Noncriticized [Member]	Dec. 31, 2011 Wholesale Wholesale Loan [Member] Noncriticized [Member]	Dec. 31, 2012 Wholesale Wholesale Loan [Member] Criticized Performing [Member]	Dec. 31, 2011 Wholesale Wholesale Loan [Member] Criticized Performing [Member]	Dec. 31, 2012 Wholesale Wholesale Loan [Member] Criticized Nonaccrual [Member]	Dec. 31, 2011 Wholesale Wholesale Loan [Member] Criticized Nonaccrual [Member]	Dec. 31, 2012 Wholesale Wholesale Loan [Member] Total U.S. [Member]	Dec. 31, 2011 Wholesale Wholesale Loan [Member] Total U.S. [Member]	Dec. 31, 2012 Wholesale Wholesale Loan [Member] Total Non-U.S. [Member]	Dec. 31, 2011 Wholesale Wholesale Loan [Member] Total Non-U.S. [Member]	Dec. 31, 2012 Wholesale Commercial and Industrial [Member]	Dec. 31, 2011 Wholesale Commercial and Industrial [Member]	Dec. 31, 2012 Wholesale Commercial and Industrial [Member] Current, and Less Than 30 Days Past Due, and Still Accruing [Member]	Dec. 31, 2011 Wholesale Commercial and Industrial [Member] Current, and Less Than 30 Days Past Due, and Still Accruing [Member]	Dec. 31, 2012 Wholesale Commercial and Industrial [Member] Days Past Due, 30 to 89, and Still Accruing [Member]	Dec. 31, 2011 Wholesale Commercial and Industrial [Member] Days Past Due, 30 to 89, and Still Accruing [Member]	Dec. 31, 2012 Wholesale Commercial and Industrial [Member] Days Past Due, 90 or More, and Still Accruing [Member]	Dec. 31, 2011 Wholesale Commercial and Industrial [Member] Days Past Due, 90 or More, and Still Accruing [Member]	Dec. 31, 2012 Wholesale Commercial and Industrial [Member] Nonaccrual [Member]	Dec. 31, 2011 Wholesale Commercial and Industrial [Member] Nonaccrual [Member]	Dec. 31, 2012 Wholesale Commercial and Industrial [Member] Investment Grade [Member]	Dec. 31, 2011 Wholesale Commercial and Industrial [Member] Investment Grade [Member]	Dec. 31, 2012 Wholesale Commercial and Industrial [Member] Noninvestment Grade [Member]	Dec. 31, 2011 Wholesale Commercial and Industrial [Member] Noninvestment Grade [Member]	Dec. 31, 2012 Wholesale Commercial and Industrial [Member] Noncriticized [Member]	Dec. 31, 2011 Wholesale Commercial and Industrial [Member] Noncriticized [Member]	Dec. 31, 2012 Wholesale Commercial and Industrial [Member] Criticized Performing [Member]	Dec. 31, 2011 Wholesale Commercial and Industrial [Member] Criticized Performing [Member]	Dec. 31, 2012 Wholesale Commercial and Industrial [Member] Criticized Nonaccrual [Member]	Dec. 31, 2011 Wholesale Commercial and Industrial [Member] Criticized Nonaccrual [Member]	Dec. 31, 2012 Wholesale Commercial and Industrial [Member] Total U.S. [Member]	Dec. 31, 2011 Wholesale Commercial and Industrial [Member] Total U.S. [Member]	Dec. 31, 2012 Wholesale Commercial and Industrial [Member] Total Non-U.S. [Member]	Dec. 31, 2011 Wholesale Commercial and Industrial [Member] Total Non-U.S. [Member]	Dec. 31, 2012 Wholesale Wholesale Real Estate [Member]	Dec. 31, 2011 Wholesale Wholesale Real Estate [Member]	Dec. 31, 2012 Wholesale Wholesale Real Estate [Member] Current, and Less Than 30 Days Past Due, and Still Accruing [Member]	Dec. 31, 2011 Wholesale Wholesale Real Estate [Member] Current, and Less Than 30 Days Past Due, and Still Accruing [Member]	Dec. 31, 2012 Wholesale Wholesale Real Estate [Member] Days Past Due, 30 to 89, and Still Accruing [Member]	Dec. 31, 2011 Wholesale Wholesale Real Estate [Member] Days Past Due, 30 to 89, and Still Accruing [Member]	Dec. 31, 2012 Wholesale Wholesale Real Estate [Member] Days Past Due, 90 or More, and Still Accruing [Member]	Dec. 31, 2011 Wholesale Wholesale Real Estate [Member] Days Past Due, 90 or More, and Still Accruing [Member]	Dec. 31, 2012 Wholesale Wholesale Real Estate [Member] Nonaccrual [Member]	Dec. 31, 2011 Wholesale Wholesale Real Estate [Member] Nonaccrual [Member]	Dec. 31, 2012 Wholesale Wholesale Real Estate [Member] Investment Grade [Member]	Dec. 31, 2011 Wholesale Wholesale Real Estate [Member] Investment Grade [Member]	Dec. 31, 2012 Wholesale Wholesale Real Estate [Member] Noninvestment Grade [Member]	Dec. 31, 2011 Wholesale Wholesale Real Estate [Member] Noninvestment Grade [Member]	Dec. 31, 2012 Wholesale Wholesale Real Estate [Member] Noncriticized [Member]	Dec. 31, 2011 Wholesale Wholesale Real Estate [Member] Noncriticized [Member]	Dec. 31, 2012 Wholesale Wholesale Real Estate [Member] Criticized [Member]	Dec. 31, 2011 Wholesale Wholesale Real Estate [Member] Criticized [Member]	Dec. 31, 2012 Wholesale Wholesale Real Estate [Member] Criticized Performing [Member]	Dec. 31, 2011 Wholesale Wholesale Real Estate [Member] Criticized Performing [Member]	Dec. 31, 2012 Wholesale Wholesale Real Estate [Member] Criticized Nonaccrual [Member]	Dec. 31, 2011 Wholesale Wholesale Real Estate [Member] Criticized Nonaccrual [Member]	Dec. 31, 2012 Wholesale Wholesale Real Estate [Member] Total U.S. [Member]	Dec. 31, 2011 Wholesale Wholesale Real Estate [Member] Total U.S. [Member]	Dec. 31, 2012 Wholesale Wholesale Real Estate [Member] Total Non-U.S. [Member]	Dec. 31, 2011 Wholesale Wholesale Real Estate [Member] Total Non-U.S. [Member]	Dec. 31, 2012 Wholesale Wholesale Real Estate Multifamily [Member]	Dec. 31, 2011 Wholesale Wholesale Real Estate Multifamily [Member]	Dec. 31, 2012 Wholesale Wholesale Real Estate Multifamily [Member] Criticized [Member]	Dec. 31, 2011 Wholesale Wholesale Real Estate Multifamily [Member] Criticized [Member]	Dec. 31, 2012 Wholesale Wholesale Real Estate Multifamily [Member] Criticized Nonaccrual [Member]	Dec. 31, 2011 Wholesale Wholesale Real Estate Multifamily [Member] Criticized Nonaccrual [Member]	Dec. 31, 2012 Wholesale Wholesale Real Estate Commercial Lessors [Member]	Dec. 31, 2011 Wholesale Wholesale Real Estate Commercial Lessors [Member]	Dec. 31, 2012 Wholesale Wholesale Real Estate Commercial Lessors [Member] Criticized [Member]	Dec. 31, 2011 Wholesale Wholesale Real Estate Commercial Lessors [Member] Criticized [Member]	Dec. 31, 2012 Wholesale Wholesale Real Estate Commercial Lessors [Member] Criticized Nonaccrual [Member]	Dec. 31, 2011 Wholesale Wholesale Real Estate Commercial Lessors [Member] Criticized Nonaccrual [Member]	Dec. 31, 2012 Wholesale Wholesale Real Estate Commercial Construction and Development [Member]	Dec. 31, 2011 Wholesale Wholesale Real Estate Commercial Construction and Development [Member]	Dec. 31, 2012 Wholesale Wholesale Real Estate Commercial Construction and Development [Member] Criticized [Member]	Dec. 31, 2011 Wholesale Wholesale Real Estate Commercial Construction and Development [Member] Criticized [Member]	Dec. 31, 2012 Wholesale Wholesale Real Estate Commercial Construction and Development [Member] Criticized Nonaccrual [Member]	Dec. 31, 2011 Wholesale Wholesale Real Estate Commercial Construction and Development [Member] Criticized Nonaccrual [Member]	Dec. 31, 2012 Wholesale Wholesale Real Estate Other Loans [Member]	Dec. 31, 2011 Wholesale Wholesale Real Estate Other Loans [Member]	Dec. 31, 2012 Wholesale Wholesale Real Estate Other Loans [Member] Criticized [Member]	Dec. 31, 2011 Wholesale Wholesale Real Estate Other Loans [Member] Criticized [Member]	Dec. 31, 2012 Wholesale Wholesale Real Estate Other Loans [Member] Criticized Nonaccrual [Member]	Dec. 31, 2011 Wholesale Wholesale Real Estate Other Loans [Member] Criticized Nonaccrual [Member]	Dec. 31, 2012 Wholesale Financial Institutions [Member]	Dec. 31, 2011 Wholesale Financial Institutions [Member]	Dec. 31, 2012 Wholesale Financial Institutions [Member] Current, and Less Than 30 Days Past Due, and Still Accruing [Member]	Dec. 31, 2011 Wholesale Financial Institutions [Member] Current, and Less Than 30 Days Past Due, and Still Accruing [Member]	Dec. 31, 2012 Wholesale Financial Institutions [Member] Days Past Due, 30 to 89, and Still Accruing [Member]	Dec. 31, 2011 Wholesale Financial Institutions [Member] Days Past Due, 30 to 89, and Still Accruing [Member]	Dec. 31, 2012 Wholesale Financial Institutions [Member] Days Past Due, 90 or More, and Still Accruing [Member]	Dec. 31, 2011 Wholesale Financial Institutions [Member] Days Past Due, 90 or More, and Still Accruing [Member]	Dec. 31, 2012 Wholesale Financial Institutions [Member] Nonaccrual [Member]	Dec. 31, 2011 Wholesale Financial Institutions [Member] Nonaccrual [Member]	Dec. 31, 2012 Wholesale Financial Institutions [Member] Investment Grade [Member]	Dec. 31, 2011 Wholesale Financial Institutions [Member] Investment Grade [Member]	Dec. 31, 2012 Wholesale Financial Institutions [Member] Noninvestment Grade [Member]	Dec. 31, 2011 Wholesale Financial Institutions [Member] Noninvestment Grade [Member]	Dec. 31, 2012 Wholesale Financial Institutions [Member] Noncriticized [Member]	Dec. 31, 2011 Wholesale Financial Institutions [Member] Noncriticized [Member]	Dec. 31, 2012 Wholesale Financial Institutions [Member] Criticized Performing [Member]	Dec. 31, 2011 Wholesale Financial Institutions [Member] Criticized Performing [Member]	Dec. 31, 2012 Wholesale Financial Institutions [Member] Criticized Nonaccrual [Member]	Dec. 31, 2011 Wholesale Financial Institutions [Member] Criticized Nonaccrual [Member]	Dec. 31, 2012 Wholesale Financial Institutions [Member] Total U.S. [Member]	Dec. 31, 2011 Wholesale Financial Institutions [Member] Total U.S. [Member]	Dec. 31, 2012 Wholesale Financial Institutions [Member] Total Non-U.S. [Member]	Dec. 31, 2011 Wholesale Financial Institutions [Member] Total Non-U.S. [Member]	Dec. 31, 2012 Wholesale Government Agencies [Member]	Dec. 31, 2011 Wholesale Government Agencies [Member]	Dec. 31, 2012 Wholesale Government Agencies [Member] Current, and Less Than 30 Days Past Due, and Still Accruing [Member]	Dec. 31, 2011 Wholesale Government Agencies [Member] Current, and Less Than 30 Days Past Due, and Still Accruing [Member]	Dec. 31, 2012 Wholesale Government Agencies [Member] Days Past Due, 30 to 89, and Still Accruing [Member]	Dec. 31, 2011 Wholesale Government Agencies [Member] Days Past Due, 30 to 89, and Still Accruing [Member]	Dec. 31, 2012 Wholesale Government Agencies [Member] Days Past Due, 90 or More, and Still Accruing [Member]	Dec. 31, 2011 Wholesale Government Agencies [Member] Days Past Due, 90 or More, and Still Accruing [Member]	Dec. 31, 2012 Wholesale Government Agencies [Member] Nonaccrual [Member]	Dec. 31, 2011 Wholesale Government Agencies [Member] Nonaccrual [Member]	Dec. 31, 2012 Wholesale Government Agencies [Member] Investment Grade [Member]	Dec. 31, 2011 Wholesale Government Agencies [Member] Investment Grade [Member]	Dec. 31, 2012 Wholesale Government Agencies [Member] Noninvestment Grade [Member]	Dec. 31, 2011 Wholesale Government Agencies [Member] Noninvestment Grade [Member]	Dec. 31, 2012 Wholesale Government Agencies [Member] Noncriticized [Member]	Dec. 31, 2011 Wholesale Government Agencies [Member] Noncriticized [Member]	Dec. 31, 2012 Wholesale Government Agencies [Member] Criticized Performing [Member]	Dec. 31, 2011 Wholesale Government Agencies [Member] Criticized Performing [Member]	Dec. 31, 2012 Wholesale Government Agencies [Member] Criticized Nonaccrual [Member]	Dec. 31, 2011 Wholesale Government Agencies [Member] Criticized Nonaccrual [Member]	Dec. 31, 2012 Wholesale Government Agencies [Member] Total U.S. [Member]	Dec. 31, 2011 Wholesale Government Agencies [Member] Total U.S. [Member]	Dec. 31, 2012 Wholesale Government Agencies [Member] Total Non-U.S. [Member]	Dec. 31, 2011 Wholesale Government Agencies [Member] Total Non-U.S. [Member]	Dec. 31, 2012 Wholesale Wholesale Other [Member]	Dec. 31, 2011 Wholesale Wholesale Other [Member]	Dec. 31, 2012 Wholesale Wholesale Other [Member] Current, and Less Than 30 Days Past Due, and Still Accruing [Member]	Dec. 31, 2011 Wholesale Wholesale Other [Member] Current, and Less Than 30 Days Past Due, and Still Accruing [Member]	Dec. 31, 2012 Wholesale Wholesale Other [Member] Days Past Due, 30 to 89, and Still Accruing [Member]	Dec. 31, 2011 Wholesale Wholesale Other [Member] Days Past Due, 30 to 89, and Still Accruing [Member]	Dec. 31, 2012 Wholesale Wholesale Other [Member] Days Past Due, 90 or More, and Still Accruing [Member]	Dec. 31, 2011 Wholesale Wholesale Other [Member] Days Past Due, 90 or More, and Still Accruing [Member]	Dec. 31, 2012 Wholesale Wholesale Other [Member] Nonaccrual [Member]	Dec. 31, 2011 Wholesale Wholesale Other [Member] Nonaccrual [Member]	Dec. 31, 2012 Wholesale Wholesale Other [Member] Investment Grade [Member]	Dec. 31, 2011 Wholesale Wholesale Other [Member] Investment Grade [Member]	Dec. 31, 2012 Wholesale Wholesale Other [Member] Noninvestment Grade [Member]	Dec. 31, 2011 Wholesale Wholesale Other [Member] Noninvestment Grade [Member]	Dec. 31, 2012 Wholesale Wholesale Other [Member] Noncriticized [Member]	Dec. 31, 2011 Wholesale Wholesale Other [Member] Noncriticized [Member]	Dec. 31, 2012 Wholesale Wholesale Other [Member] Criticized Performing [Member]	Dec. 31, 2011 Wholesale Wholesale Other [Member] Criticized Performing [Member]	Dec. 31, 2012 Wholesale Wholesale Other [Member] Criticized Nonaccrual [Member]	Dec. 31, 2011 Wholesale Wholesale Other [Member] Criticized Nonaccrual [Member]	Dec. 31, 2012 Wholesale Wholesale Other [Member] Total U.S. [Member]	Dec. 31, 2011 Wholesale Wholesale Other [Member] Total U.S. [Member]	Dec. 31, 2012 Wholesale Wholesale Other [Member] Total Non-U.S. [Member]	Dec. 31, 2011 Wholesale Wholesale Other [Member] Total Non-U.S. [Member]
Financing Receivable, Recorded Investment, Credit Quality Indicator [Line Items]
Loans, Charge-off Criteria, Period Past Due						120 days		180 days																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																													119 days	30 days	30 days			120 days																																																																																																																																																													30 days			90 days
Loans And Leases Receivable Deferred Costs	$ 2,500,000,000	$ 2,700,000,000
Loans Receivable Held for Investment, Net of Deferred Income	726,835,000,000	718,997,000,000	685,498,000,000									292,620,000,000	308,427,000,000	327,464,000,000							292,620,000,000	308,427,000,000	151,896,000,000	163,660,000,000		133,605,000,000	142,965,000,000	5,254,000,000	5,972,000,000		0	0	13,037,000,000	14,723,000,000	8,460,000,000	6,530,000,000	15,602,000,000	15,584,000,000	3,800,000,000	3,000,000,000	2,300,000,000	2,300,000,000		10,625,000,000	11,516,000,000	9,500,000,000	10,300,000,000	6,800,000,000	7,000,000,000	7,567,000,000	10,339,000,000	11,734,000,000	14,570,000,000	18,902,000,000	23,443,000,000	72,314,000,000	70,431,000,000	3,075,000,000	4,674,000,000	4,523,000,000	5,671,000,000	6,227,000,000	7,122,000,000	11,952,000,000	11,826,000,000		1,700,000,000	4,661,000,000	5,284,000,000	32,534,000,000	35,409,000,000	8,867,000,000	9,769,000,000	8,945,000,000	9,593,000,000	3,148,000,000	3,599,000,000	6,020,000,000	6,428,000,000	24,871,000,000	25,419,000,000	3,201,000,000	3,750,000,000	7,195,000,000	8,037,000,000	4,198,000,000	4,696,000,000	48,256,000,000	51,676,000,000	19,385,000,000	21,765,000,000	18,688,000,000	20,992,000,000	330,000,000	405,000,000	0	0	367,000,000	368,000,000	931,000,000	495,000,000	0	0	0	0	197,000,000	341,000,000	491,000,000	663,000,000	1,502,000,000	1,850,000,000	13,988,000,000	15,350,000,000	93,000,000	160,000,000	191,000,000	241,000,000	485,000,000	601,000,000	2,438,000,000	2,559,000,000		450,000,000	1,183,000,000	1,339,000,000	2,786,000,000	3,066,000,000	892,000,000	992,000,000	1,358,000,000	1,495,000,000	910,000,000	1,044,000,000	652,000,000	687,000,000	2,847,000,000	3,023,000,000	1,514,000,000	1,747,000,000	2,508,000,000	3,027,000,000	651,000,000	714,000,000	4,084,000,000	4,631,000,000	48,000,000,000	56,035,000,000	46,805,000,000	54,533,000,000	687,000,000	839,000,000	960,000,000	1,272,000,000	0	0	273,000,000	433,000,000		235,000,000	230,000,000	2,277,000,000	792,000,000	0	0			0	0		4,561,000,000	6,463,000,000	7,089,000,000	8,775,000,000	9,604,000,000	11,433,000,000	18,252,000,000	19,326,000,000	1,338,000,000	2,037,000,000	1,971,000,000	2,510,000,000	2,279,000,000	2,616,000,000	2,906,000,000	2,875,000,000		440,000,000	1,100,000,000	1,200,000,000	2,151,000,000	2,552,000,000	10,969,000,000	12,851,000,000	2,572,000,000	3,006,000,000	3,265,000,000	3,785,000,000	1,169,000,000	1,400,000,000	2,838,000,000	3,238,000,000	9,753,000,000	10,979,000,000	1,091,000,000	1,328,000,000	1,503,000,000	1,859,000,000	1,629,000,000	1,895,000,000	11,060,000,000	13,142,000,000	40,794,000,000	47,760,000,000	2,127,000,000	1,636,000,000	514,000,000	606,000,000	48,000,000	45,000,000	196,000,000	314,000,000	19,000,000	19,000,000	185,000,000	173,000,000	27,000,000	15,000,000	5,079,000,000	6,639,000,000	125,000,000	188,000,000	58,000,000	100,000,000	23,000,000	42,000,000	76,256,000,000	76,196,000,000	61,439,000,000	59,855,000,000	3,237,000,000	3,475,000,000	0	0	11,580,000,000	12,866,000,000	3,445,000,000	3,462,000,000	15,602,000,000	15,584,000,000	11,800,000,000	12,600,000,000	10,625,000,000	11,516,000,000	2,573,000,000	3,168,000,000	3,697,000,000	4,626,000,000	7,070,000,000	9,343,000,000	38,281,000,000	33,849,000,000	991,000,000	1,416,000,000	1,376,000,000	1,636,000,000	2,117,000,000	2,349,000,000	4,549,000,000	4,225,000,000		500,000,000	1,162,000,000	1,194,000,000	17,539,000,000	18,029,000,000	4,372,000,000	4,565,000,000	3,999,000,000	3,922,000,000	866,000,000	909,000,000	2,131,000,000	2,042,000,000	11,190,000,000	10,200,000,000	405,000,000	441,000,000	2,927,000,000	2,851,000,000	1,741,000,000	1,878,000,000	29,924,000,000	30,165,000,000	8,255,000,000	9,664,000,000	6,673,000,000	7,585,000,000	727,000,000	820,000,000	0	0	855,000,000	1,259,000,000	1,807,000,000	1,781,000,000	0	0	0	0	236,000,000	367,000,000	457,000,000	506,000,000	726,000,000	817,000,000	1,793,000,000	1,906,000,000	653,000,000	1,061,000,000	985,000,000	1,284,000,000	1,346,000,000	1,556,000,000	2,059,000,000	2,167,000,000		357,000,000	165,000,000	199,000,000	1,240,000,000	1,463,000,000	1,031,000,000	1,206,000,000	323,000,000	391,000,000	203,000,000	246,000,000	399,000,000	461,000,000	1,081,000,000	1,217,000,000	191,000,000	234,000,000	257,000,000	300,000,000	177,000,000	209,000,000	3,188,000,000	3,738,000,000	59,737,000,000	65,546,000,000																																													20,971,000,000	22,697,000,000																																														17,666,000,000	19,973,000,000	428,000,000	569,000,000	206,000,000	336,000,000	655,000,000	592,000,000	15,915,000,000	18,246,000,000	666,000,000	400,000,000	361,000,000	500,000,000	30,000,000	16,000,000	175,000,000	296,000,000	13,000,000	11,000,000	591,000,000	543,000,000	20,000,000	5,000,000	1,085,000,000	1,327,000,000	37,000,000	53,000,000	18,000,000	29,000,000	44,000,000	44,000,000	13,674,000,000	15,180,000,000																																													4,626,000,000	4,976,000,000																																													20,466,000,000	22,693,000,000																																													80,987,000,000	79,221,000,000	78,810,000,000	76,969,000,000	1,588,000,000	1,631,000,000	525,000,000	551,000,000	589,000,000	621,000,000	714,000,000	881,000,000	5,400,000,000	7,000,000,000	466,000,000	542,000,000				428,000,000	447,000,000		22,218,000,000	18,524,000,000	843,000,000	983,000,000	390,000,000	527,000,000	3,123,000,000	2,976,000,000	8,053,000,000	7,016,000,000	3,197,000,000	2,852,000,000	4,698,000,000	4,711,000,000	4,007,000,000	4,308,000,000	2,709,000,000	2,665,000,000	7,925,000,000	7,809,000,000	4,675,000,000	5,054,000,000	8,379,000,000	8,200,000,000	1,313,000,000	1,144,000,000	32,908,000,000	32,486,000,000	49,913,000,000	47,426,000,000	49,290,000,000	46,891,000,000	616,000,000	528,000,000	0	0	7,000,000	7,000,000	163,000,000	118,000,000	8,882,000,000	6,775,000,000	130,000,000	166,000,000	4,000,000	3,000,000	51,000,000	1,719,000,000	1,495,000,000	4,962,000,000	4,413,000,000	1,922,000,000	1,881,000,000	2,738,000,000	2,496,000,000	2,091,000,000	2,282,000,000	1,921,000,000	1,829,000,000	3,742,000,000	3,616,000,000	2,462,000,000	2,633,000,000	4,739,000,000	4,467,000,000	824,000,000	735,000,000	22,793,000,000	21,579,000,000	18,883,000,000	17,652,000,000		18,482,000,000	17,173,000,000	263,000,000	326,000,000	0	0	138,000,000	153,000,000	481,000,000	694,000,000	13,336,000,000	11,749,000,000	713,000,000	817,000,000	386,000,000	524,000,000	1,139,000,000	1,165,000,000	1,983,000,000	1,342,000,000	527,000,000	313,000,000	1,404,000,000	1,364,000,000	1,368,000,000	1,389,000,000	379,000,000	376,000,000	2,981,000,000	2,792,000,000	1,443,000,000	1,541,000,000	2,749,000,000	2,680,000,000	202,000,000	160,000,000	4,708,000,000	4,530,000,000	12,191,000,000	14,143,000,000	11,038,000,000	12,905,000,000	709,000,000	777,000,000	525,000,000	551,000,000	444,000,000	461,000,000	70,000,000	69,000,000	894,000,000	989,000,000	265,000,000	316,000,000	1,108,000,000	1,261,000,000	748,000,000	658,000,000	556,000,000	851,000,000	548,000,000	637,000,000	409,000,000	460,000,000	1,202,000,000	1,401,000,000	770,000,000	880,000,000	891,000,000	1,053,000,000	287,000,000	249,000,000	5,407,000,000	6,377,000,000		127,993,000,000	132,175,000,000	135,524,000,000	127,993,000,000	132,175,000,000	125,309,000,000	128,464,000,000	1,381,000,000	1,808,000,000		1,302,000,000	1,902,000,000		1,000,000	1,000,000	17,115,000,000	17,598,000,000	7,231,000,000	7,583,000,000	7,399,000,000	7,548,000,000	3,745,000,000	3,994,000,000	5,503,000,000	5,604,000,000	10,379,000,000	10,594,000,000	4,956,000,000	5,202,000,000	4,549,000,000	4,779,000,000	10,209,000,000	10,239,000,000	3,193,000,000	3,298,000,000	53,714,000,000	55,736,000,000	306,222,000,000	278,395,000,000	222,510,000,000	306,222,000,000	278,395,000,000	302,692,000,000	274,158,000,000	1,958,000,000	1,739,000,000	138,000,000	100,000,000	1,434,000,000	2,398,000,000	214,446,000,000	196,998,000,000	91,776,000,000	81,397,000,000	83,248,000,000	68,940,000,000	7,094,000,000	10,059,000,000	1,434,000,000	2,398,000,000	201,866,000,000	183,231,000,000	104,356,000,000	95,164,000,000	109,865,000,000	94,215,000,000	109,019,000,000	93,060,000,000	119,000,000	266,000,000	19,000,000	0	708,000,000	889,000,000	61,870,000,000	52,379,000,000	47,995,000,000	41,836,000,000	44,651,000,000	37,870,000,000	2,636,000,000	3,077,000,000	708,000,000	889,000,000	74,371,000,000	63,402,000,000	35,494,000,000	30,813,000,000	60,740,000,000	54,684,000,000	59,829,000,000	53,387,000,000	322,000,000	327,000,000	69,000,000	84,000,000	520,000,000	886,000,000	41,796,000,000	33,920,000,000	18,944,000,000	20,764,000,000	14,567,000,000	14,394,000,000	4,377,000,000	6,370,000,000	3,857,000,000	5,484,000,000	520,000,000	886,000,000	59,207,000,000	53,187,000,000	1,533,000,000	1,497,000,000	38,030,000,000	32,524,000,000	2,118,000,000	3,452,000,000	249,000,000	412,000,000	14,668,000,000	14,444,000,000	1,951,000,000	2,192,000,000	207,000,000	284,000,000	2,989,000,000	3,148,000,000	119,000,000	304,000,000	21,000,000	69,000,000	5,053,000,000	4,568,000,000	189,000,000	422,000,000	43,000,000	121,000,000	36,227,000,000	38,219,000,000	36,151,000,000	38,129,000,000	62,000,000	51,000,000	6,000,000	2,000,000	8,000,000	37,000,000	22,064,000,000	28,803,000,000	14,163,000,000	9,416,000,000	13,760,000,000	8,849,000,000	395,000,000	530,000,000	8,000,000	37,000,000	9,901,000,000	8,223,000,000	26,326,000,000	29,996,000,000	9,544,000,000	7,819,000,000	9,516,000,000	7,780,000,000	28,000,000	23,000,000	0	0	0	16,000,000	9,183,000,000	7,421,000,000	361,000,000	398,000,000	356,000,000	377,000,000	5,000,000	5,000,000	0	16,000,000	7,962,000,000	7,236,000,000	1,582,000,000	583,000,000	89,846,000,000	83,458,000,000	88,177,000,000	81,802,000,000	1,427,000,000	1,072,000,000	44,000,000	14,000,000	198,000,000	570,000,000	79,533,000,000	74,475,000,000	10,313,000,000	8,983,000,000	9,914,000,000	7,450,000,000	201,000,000	963,000,000	198,000,000	570,000,000	50,425,000,000	51,183,000,000	39,421,000,000	32,275,000,000
Low FICO Score												660
Net Charge-Offs																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																	4,944,000,000	6,925,000,000																																				(178,000,000)	440,000,000																							(212,000,000)	124,000,000																							54,000,000	256,000,000																																																	(36,000,000)	(137,000,000)																							2,000,000	0																							14,000,000	197,000,000
Period Past Due, Credit Analysis Factors, Charge off Criteria					60 days		60 days		60 days						30 days	90 days	90 days	60 days		150 days										90 days													90 days																							30 days																																																																																180 days												90 days							149 days	30 days			150 days
Home Equity Line of Credit, Open-Ended Revolving Period																																																																																																																																																																																																																				10 years																																																																																																																																																																																																																																															10 years
Home Equity Line of Credit, Amortization Period																																																																																																																																																																																																																						20 years
Number of Months Before Updating Exterior Opinion on Home Valuation				6 months
Number of Months Before Updating Collateral Values on Commercial Real Estate Loans										12 months	6 months
Number of Months Before a Payment Redefault Under Modified Loan																									12 months
Number of Payments Past Due for Deemed Payment Default																			2																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																										2				2
Number of Months the Borrower Has Performed Under Modified Terms																			6 months
Number of Years Before Payment Default Under a Modified Loan																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																		1 year
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Outstanding Balance																																																																																																																																																																																																																																																																																																																																																														65,144,000,000	74,492,000,000	52,022,000,000	57,137,000,000	3,555,000,000	4,291,000,000	9,567,000,000	13,064,000,000	7,958,000,000	11,210,000,000	11,649,000,000	13,114,000,000	9,613,000,000	9,223,000,000	6,759,000,000	6,072,000,000	7,822,000,000	12,165,000,000	8,537,000,000	10,012,000,000	6,839,000,000	6,953,000,000	5,967,000,000	5,743,000,000	1,033,000,000	1,210,000,000	34,703,000,000	39,438,000,000	6,208,000,000	7,585,000,000	1,860,000,000	2,182,000,000	679,000,000	775,000,000	1,938,000,000	2,182,000,000	4,047,000,000	4,454,000,000	287,000,000	336,000,000	1,019,000,000	1,168,000,000	2,248,000,000	2,565,000,000	11,122,000,000	12,597,000,000	22,343,000,000	25,064,000,000	20,331,000,000	22,682,000,000	803,000,000	1,130,000,000	1,209,000,000	1,252,000,000	4,508,000,000	5,915,000,000	4,966,000,000	5,393,000,000	3,531,000,000	3,482,000,000	2,524,000,000	2,409,000,000	2,344,000,000	3,299,000,000	2,098,000,000	2,304,000,000	1,305,000,000	1,264,000,000	1,067,000,000	998,000,000	408,000,000	468,000,000	13,493,000,000	15,091,000,000	2,054,000,000	2,307,000,000	502,000,000	558,000,000	70,000,000	81,000,000	423,000,000	471,000,000	1,067,000,000	1,179,000,000	27,000,000	32,000,000	385,000,000	455,000,000	1,215,000,000	1,368,000,000	2,699,000,000	3,054,000,000																																		13,884,000,000	16,060,000,000	11,078,000,000	12,148,000,000	740,000,000	912,000,000	2,066,000,000	3,000,000,000	1,478,000,000	2,313,000,000	2,968,000,000	3,328,000,000	1,872,000,000	1,629,000,000	1,356,000,000	1,276,000,000	1,449,000,000	2,319,000,000	1,983,000,000	2,314,000,000	1,378,000,000	1,457,000,000	1,400,000,000	1,424,000,000	215,000,000	254,000,000	7,877,000,000	9,121,000,000	1,023,000,000	1,265,000,000	433,000,000	511,000,000	211,000,000	239,000,000	401,000,000	445,000,000	927,000,000	1,018,000,000	71,000,000	79,000,000	148,000,000	168,000,000	328,000,000	388,000,000	2,250,000,000	2,572,000,000	6,326,000,000	7,229,000,000	4,198,000,000	4,388,000,000	698,000,000	782,000,000	1,430,000,000	2,059,000,000	375,000,000	473,000,000	434,000,000	434,000,000	416,000,000	372,000,000	255,000,000	198,000,000	1,300,000,000	1,939,000,000	1,256,000,000	1,510,000,000	1,182,000,000	1,197,000,000	1,108,000,000	1,106,000,000	105,000,000	126,000,000	1,444,000,000	1,661,000,000	651,000,000	812,000,000	338,000,000	411,000,000	163,000,000	187,000,000	260,000,000	297,000,000	649,000,000	709,000,000	100,000,000	114,000,000	368,000,000	405,000,000	142,000,000	160,000,000	2,106,000,000	2,347,000,000	22,591,000,000	26,139,000,000	16,415,000,000	17,919,000,000	1,314,000,000	1,467,000,000	4,862,000,000	6,753,000,000	1,597,000,000	2,509,000,000	3,281,000,000	3,959,000,000	3,794,000,000	3,740,000,000	2,624,000,000	2,189,000,000	2,729,000,000	4,608,000,000	3,200,000,000	3,884,000,000	2,974,000,000	3,035,000,000	2,392,000,000	2,215,000,000	305,000,000	362,000,000	11,889,000,000	13,565,000,000	2,480,000,000	3,201,000,000	587,000,000	702,000,000	235,000,000	268,000,000	854,000,000	969,000,000	1,404,000,000	1,548,000,000	89,000,000	111,000,000	118,000,000	140,000,000	563,000,000	649,000,000	4,067,000,000	4,624,000,000
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Allowance for Loan Losses																																																																																																																																																																																																																																																																																																																																																														$ 5,711,000,000	$ 5,711,000,000																																													$ 1,908,000,000	$ 1,908,000,000																																																																														$ 1,929,000,000	$ 1,929,000,000																																													$ 380,000,000	$ 380,000,000																																													$ 1,494,000,000	$ 1,494,000,000
Financing Receivable, Recorded Investment, Credit Quality Indicator, Ratios [Abstract]
Percentage of Net Charge-Offs to Total Retained Loans																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																	3.95%	5.44%																																				(0.06%)	0.16%																							(0.19%)	0.13%																							0.09%	0.47%																																																	(0.10%)	(0.36%)																							0.02%	0.00%																							0.02%	0.24%
Percentage of Criticized Loans to Total Retained Loans																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																						2.78%	4.47%																							3.04%	4.21%																							7.21%	11.65%																									5.57%	10.61%					13.30%	15.18%					3.98%	9.66%					3.74%	9.24%					1.11%	1.48%																							0.05%	0.27%																							0.44%	1.84%
Percentage of Loans on Nonaccrual Status to Total Retained Loans																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																						0.47%	0.86%																							0.64%	0.94%																							0.86%	1.62%																									0.65%	1.27%					1.41%	1.97%					0.70%	2.19%					0.85%	2.65%					0.02%	0.10%																							0.00%	0.20%																							0.22%	0.68%
Percentage of Loans with FICO Scores of 660 Or Greater to Total Retained Loans																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																	84.10%	81.40%
Percentage of Loans with FICO Scores Less than 660 to Total Retained Loans																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																	15.90%	18.60%
Percentage of Loans Thirty Plus Days Past Due to Total Retained Loans																							4.28%	4.97%																																																																		3.60%	3.55%																															19.00%																								2.49%	2.68%																																							12.00%																										2.19%	2.29%	4.42%	4.83%													4.06%	4.97%							3.97%	4.96%																																	45.00%																								19.16%	21.51%																															32.00%																																																																																																																					7.30%	7.50%							7.08%	7.34%	9.46%	8.00%													9.12%	9.50%																																																																																																																																																	1.58%	1.59%																																																	1.25%	1.13%																																								2.12%	2.71%																																								2.12%	1.76%																																							2.10%	2.81%
Percentage of Loans Thirty Plus Days Past Due to Total Unpaid Principal Balance																																																																																																																																																																																																																																																																																																																																																														20.14%	23.30%																																													9.01%	9.50%																																																																														20.21%	24.36%																																													33.64%	39.30%																																													27.34%	31.45%
Percentage of Loans Ninety Plus Days Past Due to Total Retained Loans																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																	1.02%	1.44%
Percentage of Senior Liens to Total Financing Receivables																																																																																																																																																																																																																																																																																																																																																																																																																																																										21.00%
Percentage of Principal Balance Insured and Interest Guaranteed																																					100.00%