XML 22 R12.htm IDEA: XBRL DOCUMENT
v3.23.3

Note 5 - Other Income | 9 Months Ended
--- | ---
Sep. 30, 2023
Notes to Financial Statements |
Other Income and Other Expense Disclosure [Text Block] | 5. Other Income Other income included the following:
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 30, |  |  | September 30, |
Millions |  | 2023 |  |  | 2022 |  |  | 2023 |  |  | 2022 |
Real estate income [a] |  | $ | 90 |  |  | $ | 103 |  |  | $ | 335 |  |  | $ | 309 |
Net periodic pension benefit/(costs) |  |  | 12 |  |  |  | 22 |  |  |  | 40 |  |  |  | 63 |
Environmental remediation and restoration |  |  | (9 | ) |  |  | (4 | ) |  |  | (31 | ) |  |  | (35 | )
Other |  |  | 13 |  |  |  | 3 |  |  |  | 39 |  |  |  | (3 | )
Total |  | $ | 106 |  |  | $ | 124 |  |  | $ | 383 |  |  | $ | 334 |
[a] | 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, 2023, includes a one-time $107 million transaction. The nine months ended September 30, 2022, also includes a $79 million gain from a land sale to the Illinois State Toll Highway Authority.

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

X
- 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 -Topic 610 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//610/tableOfContent Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 720 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//720/tableOfContent + Details
Name: | us-gaap_OtherIncomeAndOtherExpenseDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration