XML 32 R17.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Property, Plant and Equipment | 12 Months Ended
--- | ---
Dec. 31, 2021
Property, Plant and Equipment [Abstract] |
Property, Plant and Equipment | Property, Plant and Equipment The components of our property, plant and equipment balance are as follows:
| Estimated Useful Lives in Years |  | December 31,
Dollars in millions |  | 2021 |  | 2020
Land | N/A |  | $ | 5 |  |  | $ | 5 |
Buildings and property improvements | 1-35 |  | 131 |  |  | 129 |
Equipment and other | 1-25 |  | 431 |  |  | 415 |
Total |  |  | 567 |  |  | 549 |
Less accumulated depreciation |  |  | (431) |  |  | (419) |
Net property, plant and equipment |  |  | $ | 136 |  |  | $ | 130 |
Property, plant and equipment includes approximately $39 million and $36 million of equipment and other assets under finance lease obligations as of December 31, 2021, and 2020, respectively. Depreciation expense, including amortization expense for finance ROU assets, was $42 million, $36 million and $33 million for the years ended December 31, 2021, 2020 and 2019, respectively.

X
- References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentAbstract
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 http://asc.fasb.org/extlink&oid=120429125&loc=d3e99893-112916 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI http://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 http://asc.fasb.org/extlink&oid=120429125&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 http://asc.fasb.org/extlink&oid=120429125&loc=d3e99779-112916 + Details
Name: | us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration