v3.20.4
Income Taxes (Components Of Income Tax (Benefit) Expense) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Current Income Tax Expense (Benefit), Continuing Operations [Abstract]      
Current Federal Tax Expense (Benefit) [1] $ 312 $ 279 $ 175
Current State and Local Tax Expense (Benefit) [1] 66 62 29
Current Income Tax Expense (Benefit) [1] 378 341 204
Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]      
Deferred Federal Income Tax Expense (Benefit) [1] (142) 29 130
Deferred State and Local Income Tax Expense (Benefit) [1] (16) 33 53
Deferred income tax expense (benefit) [1] (158) 62 183
Income tax expense (benefit) [1],[2] 220 403 387
Income tax expense 0 0 80
Discontinued Operation Deferred Tax Effect Of Discontinued Operation $ 0 $ 0 $ 43
[1] The table above does not include total income tax expense from discontinued operations of zero, zero, and $80 million in 2020, 2019 and 2018, respectively. The deferred income tax expense reflected in discontinued operations was zero, zero and $43 million in 2020, 2019 and 2018, respectively
[2] Income tax expense includes amortization of affordable housing investments of $133 million, $131 million, and $137 million for 2020, 2019 and 2018, respectively.