Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Litigation and Regulatory Matters (Details)

v3.7.0.1
Commitments and Contingencies - Litigation and Regulatory Matters (Details) - USD ($)
3 Months Ended
Mar. 09, 2017
Mar. 31, 2017
Mar. 31, 2016
Loss Contingencies [Line Items]      
Litigation settlement expense   $ 274,000,000 $ 388,000,000
Minimum      
Loss Contingencies [Line Items]      
Estimate of possible loss   0  
Maximum      
Loss Contingencies [Line Items]      
Estimate of possible loss   $ 1,500,000,000  
FDIC Deposit Insurance Assessments | Bank of America, N.A.      
Loss Contingencies [Line Items]      
Damages sought $ 583,000,000