Document and Entity Information	9 Months Ended
	Sep. 30, 2012	Oct. 31, 2012
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2012
Entity Registrant Name	BB&T CORP
Entity Central Index Key	0000092230
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q3
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		699,640,823