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Accrued Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2022
Accrued Liabilities [Abstract] |
Components of Accrued Liabilities | The components of accrued liabilities were as follows (dollars in millions):

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

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- Definition Tabular disclosure of the components of accrued liabilities. + References No definition available. + Details
Name: | us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration