Quarterly report pursuant to Section 13 or 15(d)

Outstanding Loans and Leases - Credit Card and Other Consumer - Renegotiated TDRs Entered into During the Period by Program Type (Details)

v2.4.1.9
Outstanding Loans and Leases - Credit Card and Other Consumer - Renegotiated TDRs Entered into During the Period by Program Type (Details) (Credit card and other consumer, USD $)
In Millions, unless otherwise specified
 3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Financing Receivable, Modifications [Line Items]    
Carrying Value $ 127us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2 $ 179us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
Direct/Indirect Consumer
    
Financing Receivable, Modifications [Line Items]    
Carrying Value 5us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ bac_FinancingReceivablePortfolioSegmentAxis
= bac_CreditCardandOtherConsumerPortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= bac_DirectandIndirectFinancingReceivableMember 		9us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ bac_FinancingReceivablePortfolioSegmentAxis
= bac_CreditCardandOtherConsumerPortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= bac_DirectandIndirectFinancingReceivableMember
Percent expected to be in payment default within 12 months after modification 12.00%bac_FinancingReceivableModificationSubsequentDefaultPercentExpectedtoBeinPaymentDefaultWithin12MonthsAfterModification
/ bac_FinancingReceivablePortfolioSegmentAxis
= bac_CreditCardandOtherConsumerPortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= bac_DirectandIndirectFinancingReceivableMember 		 
Trouble debt restructurings entered payment default that were modified during the preceding twelve months 1us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1
/ bac_FinancingReceivablePortfolioSegmentAxis
= bac_CreditCardandOtherConsumerPortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= bac_DirectandIndirectFinancingReceivableMember 		2us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1
/ bac_FinancingReceivablePortfolioSegmentAxis
= bac_CreditCardandOtherConsumerPortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= bac_DirectandIndirectFinancingReceivableMember
Other consumer
    
Financing Receivable, Modifications [Line Items]    
Carrying Value   2us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ bac_FinancingReceivablePortfolioSegmentAxis
= bac_CreditCardandOtherConsumerPortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= bac_OtherFinancingReceivablesMember
United States | Credit Card Receivable
    
Financing Receivable, Modifications [Line Items]    
Carrying Value 76us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ bac_FinancingReceivablePortfolioSegmentAxis
= bac_CreditCardandOtherConsumerPortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_CreditCardReceivablesMember
/ us-gaap_StatementGeographicalAxis
= country_US 		100us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ bac_FinancingReceivablePortfolioSegmentAxis
= bac_CreditCardandOtherConsumerPortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_CreditCardReceivablesMember
/ us-gaap_StatementGeographicalAxis
= country_US
Percent expected to be in payment default within 12 months after modification 14.00%bac_FinancingReceivableModificationSubsequentDefaultPercentExpectedtoBeinPaymentDefaultWithin12MonthsAfterModification
/ bac_FinancingReceivablePortfolioSegmentAxis
= bac_CreditCardandOtherConsumerPortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_CreditCardReceivablesMember
/ us-gaap_StatementGeographicalAxis
= country_US 		 
Trouble debt restructurings entered payment default that were modified during the preceding twelve months 12us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1
/ bac_FinancingReceivablePortfolioSegmentAxis
= bac_CreditCardandOtherConsumerPortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_CreditCardReceivablesMember
/ us-gaap_StatementGeographicalAxis
= country_US 		13us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1
/ bac_FinancingReceivablePortfolioSegmentAxis
= bac_CreditCardandOtherConsumerPortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_CreditCardReceivablesMember
/ us-gaap_StatementGeographicalAxis
= country_US
Non United States | Credit Card Receivable
    
Financing Receivable, Modifications [Line Items]    
Carrying Value 46us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ bac_FinancingReceivablePortfolioSegmentAxis
= bac_CreditCardandOtherConsumerPortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_CreditCardReceivablesMember
/ us-gaap_StatementGeographicalAxis
= bac_NonUnitedStatesMember 		68us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ bac_FinancingReceivablePortfolioSegmentAxis
= bac_CreditCardandOtherConsumerPortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_CreditCardReceivablesMember
/ us-gaap_StatementGeographicalAxis
= bac_NonUnitedStatesMember
Percent expected to be in payment default within 12 months after modification 83.00%bac_FinancingReceivableModificationSubsequentDefaultPercentExpectedtoBeinPaymentDefaultWithin12MonthsAfterModification
/ bac_FinancingReceivablePortfolioSegmentAxis
= bac_CreditCardandOtherConsumerPortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_CreditCardReceivablesMember
/ us-gaap_StatementGeographicalAxis
= bac_NonUnitedStatesMember 		 
Trouble debt restructurings entered payment default that were modified during the preceding twelve months 41us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1
/ bac_FinancingReceivablePortfolioSegmentAxis
= bac_CreditCardandOtherConsumerPortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_CreditCardReceivablesMember
/ us-gaap_StatementGeographicalAxis
= bac_NonUnitedStatesMember 		56us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1
/ bac_FinancingReceivablePortfolioSegmentAxis
= bac_CreditCardandOtherConsumerPortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_CreditCardReceivablesMember
/ us-gaap_StatementGeographicalAxis
= bac_NonUnitedStatesMember
Internal Programs    
Financing Receivable, Modifications [Line Items]    
Carrying Value 52us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ bac_FinancingReceivablePortfolioSegmentAxis
= bac_CreditCardandOtherConsumerPortfolioSegmentMember
/ bac_LoanRestructuringModificationNameAxis
= bac_InternalProgramsMember 		78us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ bac_FinancingReceivablePortfolioSegmentAxis
= bac_CreditCardandOtherConsumerPortfolioSegmentMember
/ bac_LoanRestructuringModificationNameAxis
= bac_InternalProgramsMember
Internal Programs | Direct/Indirect Consumer    
Financing Receivable, Modifications [Line Items]    
Carrying Value 0us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ bac_FinancingReceivablePortfolioSegmentAxis
= bac_CreditCardandOtherConsumerPortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= bac_DirectandIndirectFinancingReceivableMember
/ bac_LoanRestructuringModificationNameAxis
= bac_InternalProgramsMember 		3us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ bac_FinancingReceivablePortfolioSegmentAxis
= bac_CreditCardandOtherConsumerPortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= bac_DirectandIndirectFinancingReceivableMember
/ bac_LoanRestructuringModificationNameAxis
= bac_InternalProgramsMember
Internal Programs | Other consumer    
Financing Receivable, Modifications [Line Items]    
Carrying Value   2us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ bac_FinancingReceivablePortfolioSegmentAxis
= bac_CreditCardandOtherConsumerPortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= bac_OtherFinancingReceivablesMember
/ bac_LoanRestructuringModificationNameAxis
= bac_InternalProgramsMember
Internal Programs | United States | Credit Card Receivable    
Financing Receivable, Modifications [Line Items]    
Carrying Value 51us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ bac_FinancingReceivablePortfolioSegmentAxis
= bac_CreditCardandOtherConsumerPortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_CreditCardReceivablesMember
/ bac_LoanRestructuringModificationNameAxis
= bac_InternalProgramsMember
/ us-gaap_StatementGeographicalAxis
= country_US 		70us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ bac_FinancingReceivablePortfolioSegmentAxis
= bac_CreditCardandOtherConsumerPortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_CreditCardReceivablesMember
/ bac_LoanRestructuringModificationNameAxis
= bac_InternalProgramsMember
/ us-gaap_StatementGeographicalAxis
= country_US
Internal Programs | Non United States | Credit Card Receivable    
Financing Receivable, Modifications [Line Items]    
Carrying Value 1us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ bac_FinancingReceivablePortfolioSegmentAxis
= bac_CreditCardandOtherConsumerPortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_CreditCardReceivablesMember
/ bac_LoanRestructuringModificationNameAxis
= bac_InternalProgramsMember
/ us-gaap_StatementGeographicalAxis
= bac_NonUnitedStatesMember 		3us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ bac_FinancingReceivablePortfolioSegmentAxis
= bac_CreditCardandOtherConsumerPortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_CreditCardReceivablesMember
/ bac_LoanRestructuringModificationNameAxis
= bac_InternalProgramsMember
/ us-gaap_StatementGeographicalAxis
= bac_NonUnitedStatesMember
External Programs    
Financing Receivable, Modifications [Line Items]    
Carrying Value 27us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ bac_FinancingReceivablePortfolioSegmentAxis
= bac_CreditCardandOtherConsumerPortfolioSegmentMember
/ bac_LoanRestructuringModificationNameAxis
= bac_ExternalProgramsMember 		34us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ bac_FinancingReceivablePortfolioSegmentAxis
= bac_CreditCardandOtherConsumerPortfolioSegmentMember
/ bac_LoanRestructuringModificationNameAxis
= bac_ExternalProgramsMember
External Programs | Direct/Indirect Consumer    
Financing Receivable, Modifications [Line Items]    
Carrying Value 0us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ bac_FinancingReceivablePortfolioSegmentAxis
= bac_CreditCardandOtherConsumerPortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= bac_DirectandIndirectFinancingReceivableMember
/ bac_LoanRestructuringModificationNameAxis
= bac_ExternalProgramsMember 		1us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ bac_FinancingReceivablePortfolioSegmentAxis
= bac_CreditCardandOtherConsumerPortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= bac_DirectandIndirectFinancingReceivableMember
/ bac_LoanRestructuringModificationNameAxis
= bac_ExternalProgramsMember
External Programs | Other consumer    
Financing Receivable, Modifications [Line Items]    
Carrying Value   0us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ bac_FinancingReceivablePortfolioSegmentAxis
= bac_CreditCardandOtherConsumerPortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= bac_OtherFinancingReceivablesMember
/ bac_LoanRestructuringModificationNameAxis
= bac_ExternalProgramsMember
External Programs | United States | Credit Card Receivable    
Financing Receivable, Modifications [Line Items]    
Carrying Value 25us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ bac_FinancingReceivablePortfolioSegmentAxis
= bac_CreditCardandOtherConsumerPortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_CreditCardReceivablesMember
/ bac_LoanRestructuringModificationNameAxis
= bac_ExternalProgramsMember
/ us-gaap_StatementGeographicalAxis
= country_US 		30us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ bac_FinancingReceivablePortfolioSegmentAxis
= bac_CreditCardandOtherConsumerPortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_CreditCardReceivablesMember
/ bac_LoanRestructuringModificationNameAxis
= bac_ExternalProgramsMember
/ us-gaap_StatementGeographicalAxis
= country_US
External Programs | Non United States | Credit Card Receivable    
Financing Receivable, Modifications [Line Items]    
Carrying Value 2us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ bac_FinancingReceivablePortfolioSegmentAxis
= bac_CreditCardandOtherConsumerPortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_CreditCardReceivablesMember
/ bac_LoanRestructuringModificationNameAxis
= bac_ExternalProgramsMember
/ us-gaap_StatementGeographicalAxis
= bac_NonUnitedStatesMember 		3us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ bac_FinancingReceivablePortfolioSegmentAxis
= bac_CreditCardandOtherConsumerPortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_CreditCardReceivablesMember
/ bac_LoanRestructuringModificationNameAxis
= bac_ExternalProgramsMember
/ us-gaap_StatementGeographicalAxis
= bac_NonUnitedStatesMember
Other    
Financing Receivable, Modifications [Line Items]    
Carrying Value 48us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ bac_FinancingReceivablePortfolioSegmentAxis
= bac_CreditCardandOtherConsumerPortfolioSegmentMember
/ bac_LoanRestructuringModificationNameAxis
= bac_OtherProgramMember 		67us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ bac_FinancingReceivablePortfolioSegmentAxis
= bac_CreditCardandOtherConsumerPortfolioSegmentMember
/ bac_LoanRestructuringModificationNameAxis
= bac_OtherProgramMember
Other | Direct/Indirect Consumer    
Financing Receivable, Modifications [Line Items]    
Carrying Value 5us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ bac_FinancingReceivablePortfolioSegmentAxis
= bac_CreditCardandOtherConsumerPortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= bac_DirectandIndirectFinancingReceivableMember
/ bac_LoanRestructuringModificationNameAxis
= bac_OtherProgramMember 		5us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ bac_FinancingReceivablePortfolioSegmentAxis
= bac_CreditCardandOtherConsumerPortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= bac_DirectandIndirectFinancingReceivableMember
/ bac_LoanRestructuringModificationNameAxis
= bac_OtherProgramMember
Other | Other consumer    
Financing Receivable, Modifications [Line Items]    
Carrying Value   0us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ bac_FinancingReceivablePortfolioSegmentAxis
= bac_CreditCardandOtherConsumerPortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= bac_OtherFinancingReceivablesMember
/ bac_LoanRestructuringModificationNameAxis
= bac_OtherProgramMember
Other | United States | Credit Card Receivable    
Financing Receivable, Modifications [Line Items]    
Carrying Value 0us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ bac_FinancingReceivablePortfolioSegmentAxis
= bac_CreditCardandOtherConsumerPortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_CreditCardReceivablesMember
/ bac_LoanRestructuringModificationNameAxis
= bac_OtherProgramMember
/ us-gaap_StatementGeographicalAxis
= country_US 		0us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ bac_FinancingReceivablePortfolioSegmentAxis
= bac_CreditCardandOtherConsumerPortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_CreditCardReceivablesMember
/ bac_LoanRestructuringModificationNameAxis
= bac_OtherProgramMember
/ us-gaap_StatementGeographicalAxis
= country_US
Other | Non United States | Credit Card Receivable    
Financing Receivable, Modifications [Line Items]    
Carrying Value $ 43us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ bac_FinancingReceivablePortfolioSegmentAxis
= bac_CreditCardandOtherConsumerPortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_CreditCardReceivablesMember
/ bac_LoanRestructuringModificationNameAxis
= bac_OtherProgramMember
/ us-gaap_StatementGeographicalAxis
= bac_NonUnitedStatesMember 		$ 62us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
/ bac_FinancingReceivablePortfolioSegmentAxis
= bac_CreditCardandOtherConsumerPortfolioSegmentMember
/ us-gaap_FinancingReceivableTroubledDebtRestructuringAxis
= us-gaap_CreditCardReceivablesMember
/ bac_LoanRestructuringModificationNameAxis
= bac_OtherProgramMember
/ us-gaap_StatementGeographicalAxis
= bac_NonUnitedStatesMember