Bank of America Corporation Annual report pursuant to Section 13 and 15(d)

Shareholders' Equity - Common Stock Repurchase Summary (Details) - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Class of Stock [Line Items]
Total purchase price of shares repurchased and retired	$ 20,094	$ 12,814	$ 5,112
Common Stock
Class of Stock [Line Items]
Total purchase price of shares repurchased and retired	$ 20,094	$ 12,814	$ 5,112
Common Stock \| CCAR capital plan repurchases
Class of Stock [Line Items]
Total number of shares repurchased and retired (in shares)	676	509	333
Total purchase price of shares repurchased and retired	$ 16,754	$ 9,347	$ 4,312
Common Stock \| Other authorized repurchases
Class of Stock [Line Items]
Total purchase price of shares repurchased and retired	$ 3,340	$ 3,467	$ 800