Annual report pursuant to Section 13 and 15(d)

Regulatory Requirements and Restrictions - Schedule of Capital Under Basel 3 (Details)

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Regulatory Requirements and Restrictions - Schedule of Capital Under Basel 3 (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Regulatory Minimum    
G-SIB Surcharge 2.50% 1.875%
Countercyclical capital buffer 0.00% 0.00%
Bank of America Corporation    
Regulatory Minimum    
Common equity tier 1 capital ratio 9.50% 8.25%
Tier 1 capital ratio 11.00% 9.75%
Total capital ratio 13.00% 11.75%
Regulatory Minimum    
Tier 1 leverage ratio 4.00% 4.00%
SLR 5.00% 5.00%
Subsidiaries    
Regulatory Minimum    
Common equity tier 1 capital ratio 7.00% 6.50%
Tier 1 capital ratio 8.50% 8.00%
Total capital ratio 10.50% 10.00%
Regulatory Minimum    
Tier 1 leverage ratio 5.00% 5.00%
SLR 6.00% 6.00%
Standardized Approach | Bank of America Corporation    
Risk-based capital metrics:    
Common equity tier 1 capital $ 166,760 $ 167,272
Tier 1 capital 188,492 189,038
Total capital 221,230 221,304
Risk-weighted assets $ 1,493,000 $ 1,437,000
Common equity tier 1 capital ratio 11.20% 11.60%
Tier 1 capital ratio 12.60% 13.20%
Total capital ratio 14.80% 15.40%
Leverage-based metrics:    
Adjusted quarterly average assets $ 2,374,000 $ 2,258,000
Tier 1 leverage ratio 7.90% 8.40%
Standardized Approach | Subsidiaries    
Risk-based capital metrics:    
Common equity tier 1 capital $ 154,626 $ 149,824
Tier 1 capital 154,626 149,824
Total capital 166,567 161,760
Risk-weighted assets $ 1,241,000 $ 1,195,000
Common equity tier 1 capital ratio 12.50% 12.50%
Tier 1 capital ratio 12.50% 12.50%
Total capital ratio 13.40% 13.50%
Leverage-based metrics:    
Adjusted quarterly average assets $ 1,780,000 $ 1,719,000
Tier 1 leverage ratio 8.70% 8.70%
Advanced Approaches | Bank of America Corporation    
Risk-based capital metrics:    
Common equity tier 1 capital $ 166,760 $ 167,272
Tier 1 capital 188,492 189,038
Total capital 213,098 212,878
Risk-weighted assets $ 1,447,000 $ 1,409,000
Common equity tier 1 capital ratio 11.50% 11.90%
Tier 1 capital ratio 13.00% 13.40%
Total capital ratio 14.70% 15.10%
Leverage-based metrics:    
Adjusted quarterly average assets $ 2,374,000 $ 2,258,000
Tier 1 leverage ratio 7.90% 8.40%
SLR leverage exposure $ 2,946,000 $ 2,791,000
SLR 6.40% 6.80%
Advanced Approaches | Subsidiaries    
Risk-based capital metrics:    
Common equity tier 1 capital $ 154,626 $ 149,824
Tier 1 capital 154,626 149,824
Total capital 158,665 153,627
Risk-weighted assets $ 991,000 $ 959,000
Common equity tier 1 capital ratio 15.60% 15.60%
Tier 1 capital ratio 15.60% 15.60%
Total capital ratio 16.00% 16.00%
Leverage-based metrics:    
Adjusted quarterly average assets $ 1,780,000 $ 1,719,000
Tier 1 leverage ratio 8.70% 8.70%
SLR leverage exposure $ 2,177,000 $ 2,112,000
SLR 7.10% 7.10%