XML 201 R127.htm IDEA: XBRL DOCUMENT v3.24.0.1
Income Taxes - Total Income Tax Expense (Benefit) and Resulting Effective Tax Rate (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Amount      
Income (loss) before income taxes times 21% statutory federal tax rate $ 244 $ 490 $ 683
Amortization of tax-advantaged investments 171 149 151
Tax-exempt interest income (35) (28) (26)
Corporate-owned life insurance income (28) (28) (27)
State income tax, net of federal tax benefit 18 53 79
Tax credits (196) (204) (218)
FDIC Insurance 22 12 7
Other 0 (22) (7)
Total income tax expense (benefit) $ 196 $ 422 $ 642
Rate      
Income (loss) before income taxes times 21% statutory federal tax rate 21.00% 21.00% 21.00%
Amortization of tax-advantaged investments 14.80% 6.40% 4.60%
Tax-exempt interest income (3.10%) (1.20%) (0.80%)
Corporate-owned life insurance income (2.40%) (1.20%) (0.80%)
State income tax, net of federal tax benefit 1.60% 2.30% 2.40%
Tax credits (16.90%) (8.80%) (6.70%)
FDIC Insurance 1.90% 0.50% 0.30%
Other 0.00% (0.90%) (0.30%)
Total income tax expense (benefit) 16.90% 18.10% 19.70%