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Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2019
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:
| Fiscal Years
| 2019 |  | 2018 |  | 2017
Numerator (Dollars in Millions): |  |  |
Net Earnings | $ | 3,331 |  |  | $ | 3,309 |  |  | $ | 5,471 |
Dividend Equivalents on Restricted Stock | — |  |  | (1 | ) |  | (1 | )
Net Earnings, Attributable to Common Shareholders | $ | 3,331 |  |  | $ | 3,308 |  |  | $ | 5,470 |
Denominator (Units in Millions): |  |  |  |  |
Average Common Shares Outstanding | 796 |  |  | 857 |  |  | 911 |
Other Potentially Dilutive Common Shares | 2 |  |  | 4 |  |  | 3 |
Average Common Shares Outstanding, Assuming Dilution | 798 |  |  | 861 |  |  | 914 |
Net Earnings Per Share, Basic | $ | 4.18 |  |  | $ | 3.86 |  |  | $ | 6.01 |
Net Earnings Per Share, Assuming Dilution | $ | 4.17 |  |  | $ | 3.84 |  |  | $ | 5.99 |
Schedule of Share Repurchase Activity | During 2019, 2018, and 2017, CSX repurchased the following shares:
| Fiscal Years
| 2019 |  | 2018 |  | 2017
Shares Repurchased (Units in Millions) | 48 |  |  | 72 |  |  | 39 |
Cost of Shares (Dollars in Millions) | $ | 3,373 |  |  | $ | 4,671 |  |  | $ | 1,970 |
Average Price Paid per Share | $ | 70.54 |  |  | $ | 64.64 |  |  | $ | 50.80 |

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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- Definition Tabular disclosure of treasury stock, including, but not limited to, average cost per share, description of share repurchase program, shares repurchased, shares held for each class of treasury stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23309-112656 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23315-112656 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23285-112656 + Details
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