XML 29 R20.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Note 11 - Properties | 9 Months Ended
--- | ---
Sep. 30, 2022
Notes to Financial Statements |
Property, Plant and Equipment Disclosure [Text Block] | 11. Properties The following tables list the major categories of property and equipment, as well as the weighted-average estimated useful life for each category (in years):
Millions, Except Estimated Useful Life |  |  |  | Accumulated |  | Net Book |  | Estimated |
As of September 30, 2022 |  | Cost |  | Depreciation |  | Value |  | Useful Life |
Land |  | $ | 5,334 |  |  | $ | N/A |  |  | $ | 5,334 |  |  |  | N/A |
Road: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Rail and other track material |  |  | 18,329 |  |  |  | 7,024 |  |  |  | 11,305 |  |  |  | 43 |
Ties |  |  | 11,610 |  |  |  | 3,648 |  |  |  | 7,962 |  |  |  | 34 |
Ballast |  |  | 6,182 |  |  |  | 1,925 |  |  |  | 4,257 |  |  |  | 34 |
Other roadway [a] |  |  | 22,151 |  |  |  | 4,890 |  |  |  | 17,261 |  |  |  | 47 |
Total road |  |  | 58,272 |  |  |  | 17,487 |  |  |  | 40,785 |  |  |  | N/A |
Equipment: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Locomotives |  |  | 9,214 |  |  |  | 3,693 |  |  |  | 5,521 |  |  |  | 18 |
Freight cars |  |  | 2,511 |  |  |  | 879 |  |  |  | 1,632 |  |  |  | 23 |
Work equipment and other |  |  | 1,216 |  |  |  | 457 |  |  |  | 759 |  |  |  | 17 |
Total equipment |  |  | 12,941 |  |  |  | 5,029 |  |  |  | 7,912 |  |  |  | N/A |
Technology and other |  |  | 1,255 |  |  |  | 536 |  |  |  | 719 |  |  |  | 13 |
Construction in progress |  |  | 939 |  |  |  | - |  |  |  | 939 |  |  |  | N/A |
Total |  | $ | 78,741 |  |  | $ | 23,052 |  |  | $ | 55,689 |  |  |  | N/A |
Millions, Except Estimated Useful Life |  |  |  | Accumulated |  | Net Book |  | Estimated |
As of December 31, 2021 |  | Cost |  | Depreciation |  | Value |  | Useful Life |
Land |  | $ | 5,339 |  |  | $ | N/A |  |  | $ | 5,339 |  |  |  | N/A |
Road: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Rail and other track material |  |  | 17,980 |  |  |  | 6,844 |  |  |  | 11,136 |  |  |  | 44 |
Ties |  |  | 11,364 |  |  |  | 3,516 |  |  |  | 7,848 |  |  |  | 34 |
Ballast |  |  | 6,070 |  |  |  | 1,852 |  |  |  | 4,218 |  |  |  | 34 |
Other roadway [a] |  |  | 21,593 |  |  |  | 4,657 |  |  |  | 16,936 |  |  |  | 47 |
Total road |  |  | 57,007 |  |  |  | 16,869 |  |  |  | 40,138 |  |  |  | N/A |
Equipment: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Locomotives |  |  | 9,371 |  |  |  | 3,779 |  |  |  | 5,592 |  |  |  | 17 |
Freight cars |  |  | 2,227 |  |  |  | 822 |  |  |  | 1,405 |  |  |  | 24 |
Work equipment and other |  |  | 1,161 |  |  |  | 411 |  |  |  | 750 |  |  |  | 18 |
Total equipment |  |  | 12,759 |  |  |  | 5,012 |  |  |  | 7,747 |  |  |  | N/A |
Technology and other |  |  | 1,209 |  |  |  | 523 |  |  |  | 686 |  |  |  | 12 |
Construction in progress |  |  | 961 |  |  |  | - |  |  |  | 961 |  |  |  | N/A |
Total |  | $ | 77,275 |  |  | $ | 22,404 |  |  | $ | 54,871 |  |  |  | N/A |
[a] | Other roadway includes grading, bridges and tunnels, signals, buildings, and other road assets.

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 long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 6 -URI https://asc.fasb.org/extlink&oid=126982197&loc=d3e99893-112916 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI https://asc.fasb.org/topic&trid=2155823 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=126982197&loc=SL120174063-112916 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 1 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=126982197&loc=d3e99779-112916 + Details
Name: | us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration