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Income Taxes (Tables) | 6 Months Ended
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Jun. 30, 2021
Income Tax Disclosure [Abstract] |
Income Tax Rate Reconciliation |
Income Tax Rate Reconciliation
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2021 | 2020 |  | 2021 | 2020
Tax provision at U.S. federal statutory rate | $ | 233 |  | $ | 125 |  |  | $ | 297 |  | $ | 197 |
Tax-exempt interest | (10) |  | (12) |  |  | (21) |  | (24) |
Increase in deferred tax valuation allowance | 6 |  | 7 |  |  | 7 |  | 13 |
Sale of business | (5) |  | — |  |  | (5) |  | — |
Tax law change | (7) |  | — |  |  | (7) |  | — |
Other | (12) |  | 4 |  |  | (12) |  | 9 |
Provision for income taxes | $ | 205 |  | $ | 124 |  |  | $ | 259 |  | $ | 195 |

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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319 + Details
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