Annual report pursuant to Section 13 and 15(d)

Income Taxes - Reconciliation of Income Tax Expense (Details)

v3.20.4
Income Taxes - Reconciliation of Income Tax Expense (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Amount      
Expected U.S. federal income tax expense $ 3,989 $ 6,878 $ 7,263
Increase (decrease) in taxes resulting from:      
State tax expense, net of federal benefit 728 1,283 1,367
Affordable housing/energy/other credits (2,869) (2,365) (1,888)
Tax law changes (699) 0 0
Tax-exempt income, including dividends (346) (433) (413)
Share-based compensation (129) (225) (257)
Changes in prior-period UTBs, including interest (41) (613) 144
Nondeductible expenses 324 290 302
Rate differential on non-U.S. earnings 218 504 98
Other (74) 5 (179)
Total income tax expense (benefit) $ 1,101 $ 5,324 $ 6,437
Percent      
Expected U.S. federal income tax expense 21.00% 21.00% 21.00%
Increase (decrease) in taxes resulting from:      
State tax expense, net of federal benefit 3.80% 3.90% 4.00%
Affordable housing/energy/other credits (15.10%) (7.20%) (5.50%)
Tax law changes (3.70%) 0.00% 0.00%
Tax-exempt income, including dividends (1.80%) (1.30%) (1.20%)
Share-based compensation (0.70%) (0.70%) (0.70%)
Changes in prior-period UTBs, including interest (0.20%) (1.90%) 0.40%
Nondeductible expenses 1.70% 0.90% 0.90%
Rate differential on non-U.S. earnings 1.10% 1.50% 0.30%
Other (0.30%) 0.10% (0.60%)
Total income tax expense (benefit) 5.80% 16.30% 18.60%