Bank of America Corporation Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangible Assets - Amortization Expense (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Finite-Lived Intangible Assets [Line Items]
Total amortization expense	$ 212	$ 235	$ 425	$ 474
Purchased credit card and affinity relationships
Finite-Lived Intangible Assets [Line Items]
Total amortization expense	89	102	178	207
Core deposit intangibles
Finite-Lived Intangible Assets [Line Items]
Total amortization expense	31	36	63	72
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Total amortization expense	87	91	174	182
Other intangibles
Finite-Lived Intangible Assets [Line Items]
Total amortization expense	$ 5	$ 6	$ 10	$ 13