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Parent Company Financial Statements (Narrative) (Details)
Dec. 31, 2014
Parent Company Abstract  
Limit of Loans to Parent Or Individual Affiliate as a Percent of Unimpaired Capital and Surplus 10.00%bbt_LimitOfLoansToParentOrIndividualAffiliateAsPercentOfUnimpairedCapitalAndSurplus
Limit of Aggregate Loans to Parent and Affiliates as a Percent of Unimpaired Capital and Surplus 20.00%bbt_LimitOfAggregateLoansToParentAndAffiliatesAsPercentOfUnimpairedCapitalAndSurplus