XML 60 R49.htm IDEA: XBRL DOCUMENT
v3.20.2

Asbestos-Related Liabilities - Summary of Percentage of Outstanding Claims Related to Claimants Alleging Serious Diseases (Details) | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items] |  |
Claims alleging serious diseases | 22.00% | 22.00%
Pre-1964 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 | 41.00% | 41.00%

X
- 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: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- 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

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