v3.20.4
Summary of Significant Accounting Policies (Supplemental Cash Flows) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Accounting Policies [Abstract]      
Interest Paid, Excluding Capitalized Interest, Operating Activities $ 408 $ 851 $ 581
Income Taxes Paid, Net 132 85 57
Real Estate Owned, Transfer to Real Estate Owned 31 63 54
Transfer of Portfolio Loans and Leases to Held-for-sale 275 66 313
Transfer of Loans Held-for-sale to Portfolio Loans 1 3 14
Properties Transferred To Held For Sale $ 33 $ 62 $ 21