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, 2011
Dec. 31, 2010
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Tier One Core Capital Elements Limit For Internationally Active Bank Holding Companies In Percentage 15.00%  
Tier One, Actual Ratio 4.00%  
In Text Details [Abstract]    
Incremental Rate for Phase-in Period For Capital Deductions 20.00%  
Systematically Important Financial Institution Additional Tier 1 Common Equity Percent, Certain Circumstance 3.50%  
Bank of America Corporation [Member]
    
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Tier 1 Common, Ratio 9.86% 8.60%
Tier 1 Common, Amount $ 126,690 $ 125,139
Tier One, Actual Ratio 12.40% 11.24%
Tier One, Actual Amount 159,232 163,626
Tier One, Minimum Required 51,379 [1] 58,238 [1]
Total, Ratio 16.75% 15.77%
Total, Actual Amount 215,101 229,594
Total, Minimum Required 102,757 [1] 116,476 [1]
Tier One Leverage, Actual Ratio 7.53% 7.21%
Tier One Leverage, Actual Amount 159,232 163,626
Tier One Leverage, Minimum Required 84,557 [1] 90,811 [1]
Bank of America, N.A. [Member]
    
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Tier One, Actual Ratio 11.74% 10.78%
Tier One, Actual Amount 119,881 114,345
Tier One, Minimum Required 40,830 [1] 42,416 [1]
Total, Ratio 15.17% 14.26%
Total, Actual Amount 154,885 151,255
Total, Minimum Required 81,661 [1] 84,831 [1]
Tier One Leverage, Actual Ratio 8.65% 7.83%
Tier One Leverage, Actual Amount 119,881 114,345
Tier One Leverage, Minimum Required 55,454 [1] 58,391 [1]
FIA Card Services, N.A. [Member]
    
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]    
Tier One, Actual Ratio 17.63% 15.30%
Tier One, Actual Amount 24,660 25,589
Tier One, Minimum Required 5,596 [1] 6,691 [1]
Total, Ratio 19.01% 16.94%
Total, Actual Amount 26,594 28,343
Total, Minimum Required 11,191 [1] 13,383 [1]
Tier One Leverage, Actual Ratio 14.22% 13.21%
Tier One Leverage, Actual Amount 24,660 25,589
Tier One Leverage, Minimum Required $ 6,935 [1] $ 7,748 [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%  
[1] Dollar amount required to meet guidelines for adequately capitalized institutions.