Long-Term Debt (Schedule of Effective Rates on Long-Term Debt) (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Debt Instruments [Line Items]
Long-term debt	$ 22,355	$ 21,493
BB&T Corporation fixed rate senior notes [Member]
Debt Instruments [Line Items]
Long-term debt	5,284	5,845
Effective interest rate at the end of the period	2.45%	2.60%
BB&T Corporation floating rate senior notes [Member]
Debt Instruments [Line Items]
Long-term debt	850	700
Effective interest rate at the end of the period	1.04%	1.13%
BB&T Corporation fixed rate subordinated notes [Member]
Debt Instruments [Line Items]
Long-term debt	2,169	2,166
Effective interest rate at the end of the period	2.41%	2.47%
Branch Bank fixed rate senior notes [Member]
Debt Instruments [Line Items]
Long-term debt	4,047	1,999
Effective interest rate at the end of the period	1.85%	1.71%
Branch Bank floating rate senior notes [Member]
Debt Instruments [Line Items]
Long-term debt	1,150	1,150
Effective interest rate at the end of the period	0.66%	0.69%
Branch Bank fixed rate subordinated notes [Member]
Debt Instruments [Line Items]
Long-term debt	1,234	386
Effective interest rate at the end of the period	3.13%	1.71%
Branch Bank floating rate subordinated notes [Member]
Debt Instruments [Line Items]
Long-term debt	612	612
Effective interest rate at the end of the period	3.21%	2.56%
FHLB advances to Branch Bank
Debt Instruments [Line Items]
Long-term debt	6,494	8,110
Effective interest rate at the end of the period	4.11%	3.96%
Debt instrument, maturity date	6.2
Other long-term debt
Debt Instruments [Line Items]
Long-term debt	114	101
Fair value hedge-related basis adjustments
Debt Instruments [Line Items]
Long-term debt	$ 401	$ 424