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Note 6 - Other Income | 9 Months Ended
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Sep. 30, 2022
Notes to Financial Statements |
Other Income and Other Expense Disclosure [Text Block] | 6. Other Income Other income included the following:
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 30, |  |  | September 30, |
Millions |  | 2022 |  |  | 2021 |  |  | 2022 |  |  | 2021 |
Real estate income [a] [b] |  | $ | 103 |  |  | $ | 53 |  |  | $ | 309 |  |  | $ | 209 |
Net periodic pension benefit/(cost) |  |  | 22 |  |  |  | 7 |  |  |  | 63 |  |  |  | 18 |
Environmental remediation and restoration |  |  | (4 | ) |  |  | (4 | ) |  |  | (35 | ) |  |  | (13 | )
Other [a] |  |  | 3 |  |  |  | (18 | ) |  |  | (3 | ) |  |  | - |
Total |  | $ | 124 |  |  | $ | 38 |  |  | $ | 334 |  |  | $ | 214 |
[a] | Prior periods have been reclassified to conform to the current period financial statement presentation.
[b] | The three months ended September 30, 2022, includes a $35 million gain from a sale to the Colorado Department of Transportation. The nine months ended September 30, 2022, also includes a $79 million gain from a land sale to the Illinois State Toll Highway Authority. The nine months ended September 30, 2021, includes a $50 million gain from a sale to the Colorado Department of Transportation.

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 720 -URI https://asc.fasb.org/topic&trid=2122503 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 610 -URI https://asc.fasb.org/topic&trid=49130413 + Details
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