Regulatory Requirements and Other Restrictions (Summary Information Regarding Regulatory Capital) (Details) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
BB&T [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Common equity tier 1 actual capital ratio	10.30%
Common equity tier 1 actual capital amount	$ 17,081
Common equity tier 1 minimum capital requirements	7,497
Common equity tier 1 well-capitalized requirements	$ 10,830
Tier 1 actual capital ratio	11.80%	12.40%
Tier 1 actual capital amount	$ 19,682	$ 17,840
Tier 1 minimum capital requirements	9,997	5,747
Tier 1 well-capitalized requirements	$ 13,329	$ 8,620
Total actual capital ratio	14.30%	14.90%
Total actual capital amount	$ 23,753	$ 21,381
Total minimum capital requirements	13,329	11,494
Total well-capitalized requirements	$ 16,661	$ 14,367
Actual leverage capital ratio	9.80%	9.90%
Actual leverage capital amount	$ 19,682	$ 17,840
Leverage minimum capital requirements	8,062	7,191
Leverage well-capitalized requirements	$ 10,077	$ 8,989
Branch Bank [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Common equity tier 1 actual capital ratio	11.30%
Common equity tier 1 actual capital amount	$ 18,382
Common equity tier 1 minimum capital requirements	7,319
Common equity tier 1 well-capitalized requirements	$ 10,572
Tier 1 actual capital ratio	11.30%	11.70%
Tier 1 actual capital amount	$ 18,382	$ 16,329
Tier 1 minimum capital requirements	9,759	5,591
Tier 1 well-capitalized requirements	$ 13,012	$ 8,387
Total actual capital ratio	13.40%	13.40%
Total actual capital amount	$ 21,859	$ 18,761
Total minimum capital requirements	13,012	11,183
Total well-capitalized requirements	$ 16,265	$ 13,979
Actual leverage capital ratio	9.30%	9.30%
Actual leverage capital amount	$ 18,382	$ 16,329
Leverage minimum capital requirements	7,866	5,265
Leverage well-capitalized requirements	$ 9,833	$ 8,775