XML 51 R32.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Stock Plans and Share-Based Compensation (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2021
Share-based Payment Arrangement [Abstract] |
Schedule of Share-Based Compensation and Related Income Tax Benefit | 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.
| Fiscal Years
(Dollars in Millions) | 2021 | 2020 | 2019
Share-Based Compensation Expense |  |  |
Performance Units | $ | 71 |  | $ | (3) |  | $ | 42 |
Stock Options | 18 |  | 19 |  | 18 |
Restricted Stock Units and Awards | 12 |  | 6 |  | 8 |
Employee Stock Purchase Plan | 4 |  | 5 |  | 4 |
Stock Awards for Directors | 2 |  | 2 |  | 2 |
Total Share-based Compensation Expense | $ | 107 |  | $ | 29 |  | $ | 74 |
Income Tax Benefit | $ | 23 |  | $ | 19 |  | $ | 43 |
Schedule of Assumptions and Inputs Used to Estimate Fair Value of Performance Units | The fair values of the performance units awarded during the years ended December 2021, 2020 and 2019 were calculated primarily using a Monte-Carlo simulation model with the following weighted-average assumptions:
Weighted-average assumptions used: | 2021 | 2020 | 2019
Annual dividend yield | n/a | n/a | 1.4 | %
Risk-free interest rate | 0.2 | % | 1.4 | % | 2.4 | %
Annualized volatility | 33.6 | % | 24.5 | % | 27.4 | %
Expected life (in years) | 2.9 | 2.9 | 2.8
Schedule of Performance Unit Grant and Vesting Information | Performance unit grant and vesting information is summarized as follows:
| Fiscal Years
| 2021 |  | 2020 |  | 2019
Weighted-average grant date fair value | $ | 30.11 |  |  | $ | 25.39 |  |  | $ | 22.06 |
Fair value of units vested in fiscal year ending (in millions) | $ | 19 |  |  | $ | 18 |  |  | $ | 17 |
Schedule of Performance Unit Activity Related to Outstanding Long-term Incentive Plans and Corresponding Fair Value | The performance unit activity related to the outstanding long-term incentive plans and corresponding fair value is summarized as follows:
| Performance Units Outstanding (in Thousands) |  | Weighted-Average Fair Value at Grant Date
Unvested at December 31, 2020 | 1,920 |  |  | $ | 23.86 |
Granted | 597 |  |  | 30.11 |
Forfeited | (59) |  |  | 24.30 |
Vested | (882) |  |  | 22.09 |
Unvested at December 31, 2021 | 1,576 |  |  | $ | 27.21 |
Schedule of Assumptions and Inputs Used to Estimate Fair Value of Stock Options | Assumptions and inputs used to estimate fair value of stock options are summarized as follows:
| Fiscal Years
| 2021 | 2020 | 2019
Weighted-average grant date fair value | $ | 7.94 |  | $ | 6.31 |  | $ | 5.96 |
Stock options valuation assumptions: |  |  |
Annual dividend yield | 1.2 | % | 1.2 | % | 1.3 | %
Risk-free interest rate | 0.7 | % | 1.4 | % | 2.4 | %
Annualized volatility | 31.2 | % | 26.1 | % | 25.7 | %
Expected life (in years) | 6.0 | 6.0 | 6.1
Other pricing model inputs: |  |  |
Weighted-average grant-date market price of CSX stock (strike price) | $ | 29.65 |  | $ | 26.53 |  | $ | 23.34 |
Schedule of Stock Option Activity | The stock option activity is summarized as follows:
| Stock Options Outstanding (in Thousands) |  | Weighted-Average Exercise Price |  | Weighted-Average Remaining Contractual Life (in Years) |  | Aggregate Intrinsic Value (in Millions)
Outstanding at December 31, 2020 | 12,652 |  |  | $ | 20.29 |  |  |  |  |
Granted | 2,005 |  |  | 29.69 |  |  |  |  |
Forfeited | (174) |  |  | 26.91 |  |  |  |  |
Exercised | (1,971) |  |  | 15.76 |  |  |  |  |
Outstanding at December 31, 2021 | 12,512 |  |  | $ | 22.42 |  |  | 7.2 |  | $ | 190 |
Exercisable at December 31, 2021 | 6,347 |  |  | $ | 18.16 |  |  | 6.1 |  | $ | 123 |
Schedule of Intrinsic Value and Cash Proceeds of Options Exercises | Additional information on stock option exercises is summarized as follows:
(Dollars in Millions) | 2021 | 2020 | 2019
Intrinsic value of stock options exercised | $ | 32 |  | $ | 30 |  | $ | 87 |
Cash received from option exercises | $ | 31 |  | $ | 29 |  | $ | 45 |
Schedule of Restricted Stock Grant and Vesting Information | Restricted stock grant and vesting information is summarized as follows:
| Fiscal Years
| 2021 |  | 2020 |  | 2019
Weighted-average grant date fair value | $ | 29.84 |  |  | $ | 26.43 |  |  | $ | 23.06 |
Fair value of units and awards vested during fiscal year ended (in millions) | $ | 12 |  |  | $ | 8 |  |  | $ | 7 |
Schedule of Outstanding Restricted Stock Units and Awards | The restricted stock activity related to the outstanding long-term incentive plans and other awards and corresponding fair value is summarized as follows:
| Restricted Stock Units and Awards Outstanding (in Thousands) |  | Weighted-Average Fair Value at Grant Date
Unvested at December 31, 2020 | 1,055 |  |  | $ | 22.36 |
Granted | 561 |  |  | 29.84 |
Forfeited | (50) |  |  | 27.31 |
Vested | (543) |  |  | 21.26 |
Unvested at December 31, 2021 | 1,023 |  |  | $ | 27.53 |
Schedule of Shares Issued under Employee Stock Purchase Plan | During 2021, 2020 and 2019, the Company issued the following shares under this program.
| Fiscal Years
| 2021 |  | 2020 |  | 2019
Shares issued (in thousands) | 730 |  |  | 726 |  |  | 747 |
Weighted average purchase price per share | $ | 21.90 |  |  | $ | 20.13 |  |  | $ | 17.57 |

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: | dtr-types: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 share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
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=122041274&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: | dtr-types: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: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + 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 (c)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types: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: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
Name: | us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the change in stock options. + References No definition available. + Details
Name: | us-gaap_ScheduleOfStockOptionsRollForwardTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the number and weighted-average grant date fair value for outstanding performance shares. + 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 (c) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationPerformanceSharesAwardOutstandingActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of number and weighted-average grant date fair value for nonvested performance shares. + 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 (c) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationPerformanceSharesAwardUnvestedActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration