Annual report pursuant to Section 13 and 15(d)

Regulatory Requirements and Restrictions - Regulatory Capital (Details)

v2.4.0.6
Regulatory Requirements and Restrictions - Regulatory Capital (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Tier One, Actual Ratio 4.00%  
Bank of America Corporation [Member]
    
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Tier 1 Common, Ratio 11.06% 9.86%
Tier 1 Common, Amount $ 133,403 $ 126,690
Tier One, Actual Ratio 12.89% 12.40%
Tier One, Actual Amount 155,461 159,232
Tier One, Minimum Required 72,359 [1] 77,068 [1]
Total, Ratio 16.31% 16.75%
Total, Actual Amount 196,680 215,101
Total, Minimum Required 120,598 [1] 128,447 [1]
Tier One Leverage, Actual Ratio 7.37% 7.53%
Tier One Leverage, Actual Amount 155,461 159,232
Tier One Leverage, Minimum Required 84,429 [1] 84,557 [1]
Bank of America, N.A. [Member]
    
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Tier One, Actual Ratio 12.44% 11.74%
Tier One, Actual Amount 118,431 119,881
Tier One, Minimum Required 57,099 [1] 61,245 [1]
Total, Ratio 14.76% 15.17%
Total, Actual Amount 140,434 154,885
Total, Minimum Required 95,165 [1] 102,076 [1]
Tier One Leverage, Actual Ratio 8.59% 8.65%
Tier One Leverage, Actual Amount 118,431 119,881
Tier One Leverage, Minimum Required 68,957 [1] 69,318 [1]
FIA Card Services, N.A. [Member]
    
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Tier One, Actual Ratio 17.34% 17.63%
Tier One, Actual Amount 22,061 24,660
Tier One, Minimum Required 7,632 [1] 8,393 [1]
Total, Ratio 18.64% 19.01%
Total, Actual Amount 23,707 26,594
Total, Minimum Required 12,719 [1] 13,989 [1]
Tier One Leverage, Actual Ratio 13.67% 14.22%
Tier One Leverage, Actual Amount 22,061 24,660
Tier One Leverage, Minimum Required $ 8,067 [1] $ 8,669 [1]
Minimum [Member]
    
In Text Details [Abstract]    
Systematically Important Financial Institution Additional Tier 1 Common Equity Percent 1.00%  
Maximum [Member]
    
In Text Details [Abstract]    
Systematically Important Financial Institution Additional Tier 1 Common Equity Percent 2.50%  
certain circumstances [Domain]
    
In Text Details [Abstract]    
Systematically Important Financial Institution Additional Tier 1 Common Equity Percent, Certain Circumstance 3.50%  
[1] Dollar amount required to meet guidelines for well-capitalized institutions.