Annual report pursuant to Section 13 and 15(d)

Regulatory Requirements and Restrictions (Details)

v3.3.1.900
Regulatory Requirements and Restrictions (Details) - USD ($)
$ in Millions
3 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Bank of America Corporation    
Risk-based capital metrics:    
Common equity tier 1 capital ratio, regulatory minimum 4.50% 4.00%
Tier 1 capital ratio, regulatory minimum 6.00% 5.50%
Total capital ratio, regulatory minimum 8.00% 8.00%
Tier 1 capital ratio, well-capitalized 6.00% 6.00%
Total capital ratio, well-capitalized 10.00% 10.00%
Leverage-based Capital Metrics [Abstract]    
Tier 1 leverage ratio, regulatory minimum 4.00% 4.00%
Bank of America, N.A.    
Risk-based capital metrics:    
Common equity tier 1 capital ratio, regulatory minimum 4.50% 4.00%
Tier 1 capital ratio, regulatory minimum 6.00% 5.50%
Total capital ratio, regulatory minimum 8.00% 8.00%
Tier 1 capital ratio, well-capitalized 6.50%  
Tier 1 capital ratio, well-capitalized 8.00% 6.00%
Total capital ratio, well-capitalized 10.00% 10.00%
Leverage-based Capital Metrics [Abstract]    
Tier 1 leverage ratio, regulatory minimum 4.00% 4.00%
Tier 1 leverage ratio, well-capitalized 5.00% 5.00%
Standardized Approach | Bank of America Corporation    
Risk-based capital metrics:    
Common equity tier 1 capital $ 163,026 $ 155,361
Tier 1 capital 180,778 168,973
Total capital 220,676 208,670
Risk-weighted assets (in billions) $ 1,403,000 $ 1,262,000
Common equity tier 1 capital ratio 11.60% 12.30%
Tier 1 capital ratio 12.90% 13.40%
Total capital ratio 15.70% 16.50%
Leverage-based Capital Metrics [Abstract]    
Adjusted quarterly average assets (in billions) $ 2,103,000 $ 2,060,000
Tier 1 leverage ratio 8.60% 8.20%
Standardized Approach | Bank of America, N.A.    
Risk-based capital metrics:    
Common equity tier 1 capital $ 144,869 $ 145,150
Tier 1 capital 144,869 145,150
Total capital 159,871 161,623
Risk-weighted assets (in billions) $ 1,183,000 $ 1,105,000
Common equity tier 1 capital ratio 12.20% 13.10%
Tier 1 capital ratio 12.20% 13.10%
Total capital ratio 13.50% 14.60%
Leverage-based Capital Metrics [Abstract]    
Adjusted quarterly average assets (in billions) $ 1,575,000 $ 1,509,000
Tier 1 leverage ratio 9.20% 9.60%
Advanced Approaches | Bank of America Corporation    
Risk-based capital metrics:    
Common equity tier 1 capital $ 163,026  
Tier 1 capital 180,778  
Total capital 210,912  
Risk-weighted assets (in billions) $ 1,602,000  
Common equity tier 1 capital ratio 10.20%  
Tier 1 capital ratio 11.30%  
Total capital ratio 13.20%  
Leverage-based Capital Metrics [Abstract]    
Adjusted quarterly average assets (in billions) $ 2,103,000 $ 2,060,000
Tier 1 leverage ratio 8.60% 8.20%
Advanced Approaches | Bank of America, N.A.    
Risk-based capital metrics:    
Common equity tier 1 capital $ 144,869  
Tier 1 capital 144,869  
Total capital 150,624  
Risk-weighted assets (in billions) $ 1,104,000  
Common equity tier 1 capital ratio 13.10%  
Tier 1 capital ratio 13.10%  
Total capital ratio 13.60%  
Leverage-based Capital Metrics [Abstract]    
Adjusted quarterly average assets (in billions) $ 1,575,000 $ 1,509,000
Tier 1 leverage ratio 9.20% 9.60%