Annual report pursuant to Section 13 and 15(d)

Mortgage Servicing Rights - Additional Information (Details)

v2.4.1.9
Mortgage Servicing Rights - Additional Information (Details) (Residential Reverse Mortgage Servicing Rights [Member], USD $)
In Millions, unless otherwise specified
Dec. 31, 2013
Residential Reverse Mortgage Servicing Rights [Member]
 
Servicing Asset at Amortized Cost [Line Items]  
Servicing assets at amortized cost $ 10us-gaap_ServicingAssetAtAmortizedValue
/ us-gaap_FinancialInstrumentAxis
= bac_ResidentialReverseMortgageServicingRightsMember