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Income Taxes | 12 Months Ended
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Dec. 31, 2020
Income Tax Disclosure [Abstract] |
Income Taxes | Income Taxes Earnings before income taxes of $3.6 billion, $4.3 billion and $4.3 billion for fiscal years 2020, 2019 and 2018, respectively, represent earnings from domestic operations. The breakdown of income tax expense between current and deferred is as follows:
| Fiscal Years
(Dollars in Millions) | 2020 |  | 2019 |  | 2018
Current: |  |  |
Federal | $ | 559 |  |  | $ | 608 |  |  | $ | 572 |
State | 123 |  |  | 104 |  |  | 144 |
Subtotal Current | 682 |  |  | 712 |  |  | 716 |
Deferred: |  |  |  |  |
Federal | 149 |  |  | 235 |  |  | 275 |
State | 31 |  |  | 38 |  |  | 4 |
Subtotal Deferred | 180 |  |  | 273 |  |  | 279 |
Total Income Tax Expense | $ | 862 |  |  | $ | 985 |  |  | $ | 995 |
The Company recorded a 2020 income tax benefit of $30 million primarily as a result of the additional tax benefit associated with vesting of share-based awards and the resolution of certain tax matters. In 2019, the Company recorded an income tax benefit of $77 million primarily as a result of the additional tax benefit associated with vesting of share-based awards, the settlement of certain state tax matters, federal and state legislative changes, and a change in the valuation of deferred taxes as a result of filing the 2018 tax returns. The Company recorded a 2018 income tax benefit of $62 million primarily as a result of the additional tax benefit associated with vesting of share-based awards, state legislative changes, the settlement of certain state tax matters and a change in the valuation of deferred taxes as a result of filing the 2017 tax returns. Income tax expense reconciled to the tax computed at statutory rates is presented in the following table.
| Fiscal Years
(Dollars In Millions) | 2020 |  | 2019 |  | 2018
Federal Income Taxes | $ | 762 |  |  | 21.0 | % |  | $ | 906 |  |  | 21.0 | % |  | $ | 904 |  |  | 21.0 | %
State Income Taxes | 117 |  |  | 3.2 | % |  | 108 |  |  | 2.5 | % |  | 112 |  |  | 2.6 | %
Other | (17) |  |  | (0.4) | % |  | (29) |  |  | (0.7) | % |  | (21) |  |  | (0.5) | %
Income Tax Expense/ Rate | $ | 862 |  |  | 23.8 | % |  | $ | 985 |  |  | 22.8 | % |  | $ | 995 |  |  | 23.1 | %
NOTE 12. Income Taxes, continued The primary factors in the change in year-end net deferred income tax liability balances include the annual provision for deferred income tax expense and accumulated other comprehensive income/loss. The significant components of deferred income tax assets and liabilities include:
| 2020 |  | 2019
(Dollars in Millions) | Assets |  | Liabilities |  | Assets |  | Liabilities
Pension Plans | $ | 62 |  |  | $ | — |  |  | $ | 71 |  |  | $ | — |
Other Employee Benefit Plans | 96 |  |  | — |  |  | 127 |  |  | — |
Accelerated Depreciation | — |  |  | 7,195 |  |  | — |  |  | 7,020 |
Other | 320 |  |  | 451 |  |  | 426 |  |  | 565 |
Total | $ | 478 |  |  | $ | 7,646 |  |  | $ | 624 |  |  | $ | 7,585 |
Net Deferred Income Tax Liabilities |  |  | $ | 7,168 |  |  |  |  | $ | 6,961 |
The Company files a consolidated federal income tax return, which includes its principal domestic subsidiaries. CSX and its subsidiaries are subject to U.S. federal income tax as well as income tax of multiple state jurisdictions. CSX participated in a contemporaneous IRS audit of tax years 2020 and 2019. Federal examinations of original federal income tax returns for all years through 2018 are resolved. As of December 2020, 2019 and 2018, the Company had approximately $16 million, $13 million and $12 million, respectively, of total unrecognized tax benefits as a result of uncertain tax positions. These tax benefits that were $13 million, $10 million and $9 million net of tax in 2020, 2019 and 2018, respectively, could favorably impact the effective income tax rate in each year. The Company does not expect that unrecognized tax benefits as of December 2020 for various state and federal income tax matters will significantly change over the next 12 months. The final outcome of these uncertain tax positions is not yet determinable. There were no material changes to the total gross unrecognized tax benefits and prior year audit resolutions of the Company during the fiscal year ended December 2020. CSX’s continuing practice is to recognize net interest and penalties related to income tax matters in income tax expense. Accrued interest and penalties were not material as of December 2020 or 2019. Additionally, expenses from changes to the reserves for interest and penalties were not material in 2020, 2019 or 2018

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- Definition The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32857-109319 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 11.C) -URI http://asc.fasb.org/extlink&oid=116825942&loc=d3e330215-122817 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 17 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32809-109319 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I.5.Q1) -URI http://asc.fasb.org/extlink&oid=116825942&loc=d3e330036-122817 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32705-109319 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 270 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6424409&loc=d3e44925-109338 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -URI http://asc.fasb.org/topic&trid=2144680 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6424122&loc=d3e41874-109331 + Details
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