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Asbestos-Related Liabilities - Summary of Percentage of Outstanding Claims Related to Claimants Alleging Serious Diseases (Details) | Dec. 31, 2022 | Dec. 31, 2021
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Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items] |  |
Claims alleging serious diseases | 24.00% | 24.00%
Pre-1965 claims in states without asbestos legislation |  |
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items] |  |
Claims alleging serious diseases | 43.00% | 42.00%

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- Definition Percentage of asbestos-related claims alleging serious diseases outstanding as of the balance sheet date. + References No definition available. + Details
Name: | cck_PercentageOfAsbestosRelatedClaimsAllegingSeriousDiseases
Namespace Prefix: | cck_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

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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
Name: | us-gaap_CausesOfIncreaseDecreaseInLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_LiabilityForCatastropheClaimsByCatastrophicEventAxis=cck_TotalClaimsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |