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Operating Segments (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
 1 Months Ended 3 Months Ended
Jan. 31, 2014
Dec. 31, 2013
Community Banking [Member]    
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]    
Loans transferred out $ 8,300bbt_LoansTransferredOut
/ us-gaap_StatementBusinessSegmentsAxis
= bbt_CommunityBankingMember		  
Residential Mortgage Banking [Member]    
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]    
Loans transferred in 8,300bbt_LoansTransferredIn
/ us-gaap_StatementBusinessSegmentsAxis
= bbt_ResidentialMortgageBankingMember		 230bbt_LoansTransferredIn
/ us-gaap_StatementBusinessSegmentsAxis
= bbt_ResidentialMortgageBankingMember
Specialized Lending [Member]    
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]    
Loans transferred out   230bbt_LoansTransferredOut
/ us-gaap_StatementBusinessSegmentsAxis
= bbt_SpecializedLendingMember
Loans sold   $ 500bbt_LoansSold
/ us-gaap_StatementBusinessSegmentsAxis
= bbt_SpecializedLendingMember