Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Principles - Principles of Consolidation and Basis of Presentation (Details)

v3.6.0.2
Summary of Significant Accounting Principles - Principles of Consolidation and Basis of Presentation (Details) - USD ($)
$ in Millions
Dec. 31, 2016
Dec. 31, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Loans and leases $ 9,214  
Goodwill 775 $ 0
Available-for-sale securities of business held for sale 619  
Disposal Group, Held-for-sale, Not Discontinued Operations | International Consumer Credit Card Business    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Loans and leases 9,200  
Allowance for loan and lease losses 243  
Goodwill 775  
Available-for-sale securities of business held for sale 619  
All other assets $ 305