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Other Income | 12 Months Ended
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Dec. 31, 2024
Other Income and Expenses [Abstract] |
Other Income | Other Income Other income included the following for the years ended December 31:
Millions | 2024 | 2023 | 2022
Real estate income [a] | $ | 263 |  | $ | 414 |  | $ | 381 |
Net periodic pension benefit/(costs) | 55 |  | 52 |  | 84 |
Interest income [b] | 52 |  | 52 |  | 23 |
Non-operating property environmental remediation and restoration | (37) |  | (37) |  | (47) |
Interest from IRS refund claims | 24 |  | - |  | - |
Other [b] | (7) |  | 10 |  | (15) |
Total | $ | 350 |  | $ | 491 |  | $ | 426 |
[a]2023 includes a one-time $107 million transaction. 2022 includes a $79 million gain from a land sale to the Illinois State Toll Highway Authority and a $35 million gain from a sale to the Colorado Department of Transportation. [b]Prior periods have been reclassified to conform to the current period disclosure.

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- Definition The entire disclosure for other income or other expense items (both operating and nonoperating). Sources of nonoperating income or nonoperating expense that may be disclosed, include amounts earned from dividends, interest on securities, profits (losses) on securities, net and miscellaneous other income or income deductions. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 720 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/720/tableOfContent Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Name Accounting Standards Codification -Topic 610 -Publisher FASB -URI https://asc.fasb.org/610/tableOfContent + Details
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