v3.19.3.a.u2
Summary of Significant Accounting Policies (Supplemental Cash Flows) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Accounting Policies [Abstract]      
Interest Paid, Excluding Capitalized Interest, Operating Activities $ 851 $ 581 $ 363
Income Taxes Paid, Net 85 57 181
Real Estate Owned, Transfer to Real Estate Owned 63 54 80
Transfer of Portfolio Loans and Leases to Held-for-sale 66 313 41
Transfer of Loans Held-for-sale to Portfolio Loans 3 14 8
Properties Transferred To Held For Sale 62 21 33
Loans settled with other earning assets 0 0 33
Operating lease assets settled with other earning assets $ 0 $ 0 $ 15