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v3.23.2

Estimated Value of Returned Goods Assets and Related Return Liabilities (Detail) - Truck, Parts and Other - USD ($) $ in Millions | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Trucks |  |
Entity Wide Information Revenue From External Customer [Line Items] |  |
Other current assets | $ 191.1 | $ 183.0
Accounts payable, accrued expenses and other | 192.3 | 185.0
Other noncurrent assets, net | 234.7 | 284.6
Other liabilities | 246.7 | 298.9
Assets | 425.8 | 467.6
Liabilities | 439.0 | 483.9
Parts Subsegment |  |
Entity Wide Information Revenue From External Customer [Line Items] |  |
Accounts payable, accrued expenses and other | 200.7 | 181.4
Other noncurrent assets, net | 82.3 | 77.7
Assets | 82.3 | 77.7
Liabilities | $ 200.7 | $ 181.4

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- Definition Estimated value of returned goods assets. + References No definition available. + Details
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Balance Type: | debit
Period Type: | instant

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- Definition Estimated value of returned goods liabilities. + References No definition available. + Details
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Namespace Prefix: | pcar_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Estimated value of returned goods other current assets. + References No definition available. + Details
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Namespace Prefix: | pcar_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Estimated value of returned goods other noncurrent assets, net. + References No definition available. + Details
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Namespace Prefix: | pcar_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Estimated value of returned goods related to accounts payable, accrued expenses and other. + References No definition available. + Details
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Namespace Prefix: | pcar_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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- Definition Estimated value of returned goods related to other liabilities. + References No definition available. + Details
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Namespace Prefix: | pcar_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
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