Annual report pursuant to Section 13 and 15(d)

Goodwill and Intangible Assets - Schedule of Intangible Assets (Details)

v3.10.0.1
Goodwill and Intangible Assets - Schedule of Intangible Assets (Details) - USD ($)
$ in Millions
Dec. 31, 2018
Dec. 31, 2017
Intangible Assets [Abstract]    
Gross Carrying Value $ 9,754 $ 13,640
Accumulated Amortization 7,980 11,328
Net Carrying Value 1,774 2,312
Trade Names    
Intangible Assets [Abstract]    
Intangible assets, net (excluding goodwill) 1,600 1,600
Purchased credit card and affinity relationships    
Intangible Assets [Abstract]    
Gross Carrying Value 5,919 5,919
Accumulated Amortization 5,759 5,604
Net Carrying Value 160 315
Core deposit and other intangibles    
Intangible Assets [Abstract]    
Gross Carrying Value 3,835 3,835
Accumulated Amortization 2,221 2,140
Net Carrying Value 1,614 1,695
Customer relationships    
Intangible Assets [Abstract]    
Gross Carrying Value 0 3,886
Accumulated Amortization 0 3,584
Net Carrying Value $ 0 $ 302