XML 53 R34.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Casualty, Environmental and Other Reserves (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2023
Casualty, Environmental and Other Reserves [Abstract] |
Schedule of Claims Activity | Activity related to casualty, environmental and other reserves is as follows:
| Casualty |  | Environmental |  | Other |  |
(Dollars in Millions) | Reserves |  | Reserves |  | Reserves |  | Total
December 31, 2020 | $ | 196 |  |  | $ | 76 |  |  | $ | 42 |  |  | $ | 314 |
Assumed in Acquisition of Quality Carriers | — |  |  | 29 |  |  | 33 |  |  | 62 |
Charged to Expense | 55 |  |  | 26 |  |  | 49 |  |  | 130 |
Payments | (71) |  |  | (23) |  |  | (44) |  |  | (138) |
December 31, 2021 | 180 |  |  | 108 |  |  | 80 |  |  | 368 |
Assumed in Acquisition of Pan Am | 19 |  |  | 36 |  |  | — |  |  | 55 |
Charged to Expense | 45 |  |  | 47 |  |  | 51 |  |  | 143 |
Payments | (50) |  |  | (30) |  |  | (50) |  |  | (130) |
December 31, 2022 | 194 |  |  | 161 |  |  | 81 |  |  | 436 |
Charged to Expense | 69 |  |  | 29 |  |  | 67 |  |  | 165 |
Payments | (68) |  |  | (36) |  |  | (57) |  |  | (161) |
December 31, 2023 | $ | 195 |  |  | $ | 154 |  |  | $ | 91 |  |  | $ | 440 |
Schedule of Balance Sheet Presentation of Casualty, Environmental and Other Reserves | Casualty, environmental and other reserves are provided for in the consolidated balance sheets as shown in the table below.
| December 2023 |  | December 2022
(Dollars in Millions) | Current |  | Long-term |  | Total |  | Current |  | Long-term |  | Total
Casualty: |  |  |  |  |  |  |  |  |  |  |
Personal Injury | $ | 45 |  |  | $ | 83 |  |  | $ | 128 |  |  | $ | 40 |  |  | $ | 86 |  |  | $ | 126 |
Occupational | 7 |  |  | 60 |  |  | 67 |  |  | 10 |  |  | 58 |  |  | 68 |
Total Casualty | $ | 52 |  |  | $ | 143 |  |  | $ | 195 |  |  | $ | 50 |  |  | $ | 144 |  |  | $ | 194 |
Environmental | 41 |  |  | 113 |  |  | 154 |  |  | 53 |  |  | 108 |  |  | 161 |
Other | 51 |  |  | 40 |  |  | 91 |  |  | 41 |  |  | 40 |  |  | 81 |
Total | $ | 144 |  |  | $ | 296 |  |  | $ | 440 |  |  | $ | 144 |  |  | $ | 292 |  |  | $ | 436 |

X
- Definition Casualty, Environmental and Other Reserves [Abstract] + References No definition available. + Details
Name: | csx_CasualtyEnvironmentalAndOtherReservesAbstract
Namespace Prefix: | csx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule of Claims Activity [Table Text Block] + References No definition available. + Details
Name: | csx_ScheduleOfClaimsActivityTableTextBlock
Namespace Prefix: | csx_
Data Type: | dtr-types1:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the loss contingencies that were reported in the period or disclosed as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 450 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483076/450-20-50-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 450 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483076/450-20-50-4 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 450 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483076/450-20-50-9 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 460 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482425/460-10-50-3 + Details
Name: | us-gaap_ScheduleOfLossContingenciesByContingencyTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration