XML 35 R22.htm IDEA: XBRL DOCUMENT
v3.20.2

Stock Plans and Share-Based Compensation (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2020
Share-based Payment Arrangement [Abstract] |
Schedule of Pre-tax Expense and Income Tax Benefits Associated with Share-Based Compensation | Total pre-tax expense and income tax benefits associated with share-based compensation are shown in the table below. Income tax benefits include impacts from option exercises and the vesting of other equity awards.
| Third Quarters |  |  | Nine Months |
(Dollars in millions) | 2020 | 2019 |  | 2020 | 2019
Share-Based Compensation Expense: |  |  |  |  |
Performance Units | $ | 14 |  | $ | 8 |  |  | 6 |  | $ | 23 |
Stock Options | 3 |  | 2 |  |  | 16 |  | 9 |
Restricted Stock Units and Awards | 2 |  | 2 |  |  | 5 |  | 6 |
Employee Stock Purchase Plan | 1 |  | 1 |  |  | 3 |  | 3 |
Stock Awards for Directors | — |  | — |  |  | 2 |  | 2 |
Total Share-Based Compensation Expense | $ | 20 |  | $ | 13 |  |  | $ | 32 |  | $ | 43 |
Income Tax Benefit | $ | 6 |  | $ | 6 |  |  | $ | 17 |  | $ | 41 |
Schedule of Weighted Average Assumptions | The fair values of the performance units awarded during the nine months ended 2020 and 2019 were primarily calculated using a Monte-Carlo simulation model with the following weighted-average assumptions:
|  |  |  | Nine Months |
|  |  |  | 2020 | 2019
Weighted-average assumptions used: |  |  |  |  |
Annual dividend yield |  |  |  | N/A | 1.4 | %
Risk-free interest rate |  |  |  | 1.4 | % | 2.5 | %
Annualized volatility |  |  |  | 24.5 | % | 27.6 | %
Expected life (in years) |  |  |  | 2.9 | 2.9
Schedule of Fair Value Assumptions for Stock Option Awards | The fair values of all stock option awards during the quarters and nine months ended September 30, 2020 and September 30, 2019 were estimated at the grant date with the following weighted average assumptions:
| Third Quarters |  |  | Nine Months |
| 2020 | 2019 |  | 2020 | 2019
Weighted-average grant-date fair value | N/A | $ | 15.44 |  | $ | 18.87 | $ | 17.99
Stock options valuation assumptions: |  |  |  |  |
Annual dividend yield | N/A | 1.4 | % |  | 1.2 | % | 1.3 | %
Risk-free interest rate | N/A | 1.4 | % |  | 1.4 | % | 2.5 | %
Annualized volatility | N/A | 25.7 | % |  | 26.0 | % | 25.7 | %
Expected life (in years) | N/A | 6.5 |  | 6.0 | 6.1
Other pricing model inputs: |  |  |  |  |
Weighted-average grant-date market price of CSX stock (strike price) | N/A | $ | 66.35 |  | $ | 79.48 | $ | 69.96
Schedule of Shares Issued Under Employee Stock Purchase Plan | During third quarter and nine months ended September 30, 2020 and September 30, 2019, the company issued the following shares under this program:
| Third Quarters |  |  | Nine Months |
| 2020 | 2019 |  | 2020 | 2019
Shares issued (in thousands) | 120 |  | 144 |  |  | 242 |  | 249 |
Weighted average purchase price per share | $ | 59.28 |  | $ | 52.66 |  |  | $ | 60.40 |  | $ | 52.72 |

X
- Definition Schedule of Share-based Payment Award, Awards Other than Options, Valuation Assumptions [Table Text Block] + References No definition available. + Details
Name: | csx_ScheduleofSharebasedPaymentAwardAwardsOtherthanOptionsValuationAssumptionsTableTextBlock
Namespace Prefix: | csx_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901 + Details
Name: | us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of employee stock purchase plan activity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationEmployeeStockPurchasePlanActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration