Quarterly report pursuant to Section 13 or 15(d)

Business Segment Information Business Segment Information - Narrative (Details)

v2.4.1.9
Business Segment Information Business Segment Information - Narrative (Details)
3 Months Ended
Mar. 31, 2015
segments
Segment Reporting Information [Line Items]  
Number of operating segments 5us-gaap_NumberOfOperatingSegments
Consumer Banking  
Segment Reporting Information [Line Items]  
Number of states in which entity operates 32us-gaap_NumberOfStatesInWhichEntityOperates
/ us-gaap_StatementBusinessSegmentsAxis
= bac_ConsumerBankingSegmentMember
Number of banking centers 4,800bac_NumberOfBankingCenters
/ us-gaap_StatementBusinessSegmentsAxis
= bac_ConsumerBankingSegmentMember
Number of ATMs 15,900bac_NumberOfAtms
/ us-gaap_StatementBusinessSegmentsAxis
= bac_ConsumerBankingSegmentMember