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Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2023
Earnings Per Share [Abstract] |
Schedule of Computation of Basic and Diluted Earnings per Share | The following table sets forth the computation of basic earnings per share and earnings per share, assuming dilution:
| Years Ended
| 2023 |  | 2022 |  | 2021
Numerator (Dollars in Millions): |  |  |
Net Earnings | $ | 3,715 |  |  | $ | 4,166 |  |  | $ | 3,781 |
Denominator (Units in Millions): |  |  |  |  |
Average Common Shares Outstanding | 2,008 |  |  | 2,136 |  |  | 2,250 |
Other Potentially Dilutive Common Shares | 5 |  |  | 5 |  |  | 5 |
Average Common Shares Outstanding, Assuming Dilution | 2,013 |  |  | 2,141 |  |  | 2,255 |
Net Earnings Per Share, Basic | $ | 1.85 |  |  | $ | 1.95 |  |  | $ | 1.68 |
Net Earnings Per Share, Assuming Dilution | $ | 1.85 |  |  | $ | 1.95 |  |  | $ | 1.68 |
Schedule of Average Outstanding Equity Awards Excluded from Diluted Earnings Per Share Calculation | The total average outstanding equity awards that were excluded from the diluted earnings per share calculation because their effect was antidilutive is in the table below.
| Years Ended
| 2023 | 2022 | 2021
Antidilutive Stock Options Excluded from Diluted EPS (Units in Millions) | 3 |  | 3 |  | 2 |
Schedule of Share Repurchase Activity | During 2023, 2022 and 2021, CSX repurchased the following shares:
| Years Ended
| 2023 |  | 2022 |  | 2021
Shares Repurchased (Units in Millions) | 112 |  |  | 151 |  |  | 90 |
Cost of Shares (Dollars in Millions) | $ | 3,482 |  |  | $ | 4,731 |  |  | $ | 2,886 |
Average Price Paid per Share | $ | 30.95 |  |  | $ | 31.25 |  |  | $ | 31.91 |

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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 + Details
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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 + Details
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