v3.20.4
Other Non-Interest Income and Expense (Other Non-Interest Expense) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Outside Services $ 170 $ 189 $ 187
Marketing Expense 94 97 92
Professional, legal and regulatory expenses 89 95 119
Credit and checkcard expense 50 68 57
FDIC insurance assessments 48 48 85
Branch Consolidation And Property and Equipment Charges 31 25 11
Visa class B shares expense 24 14 10
Loss on early extinguishment of debt 22 16 0
Provision (credit) for unfunded credit losses 18 (6) (2)
Other Miscellaneous Expenses 354 381 404
Other 882 $ 927 $ 963
Other in Non-Interest Expense [Member]      
Provision (credit) for unfunded credit losses $ 0