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Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Gain on disposal of Russian business, net Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal Expected share price volatility (%) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Contingent purchase consideration Business Combination, Contingent Consideration, Liability Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Schedule of Long-lived Asset Impairment Long-Lived Asset, Held and Used, Impairment [Table Text Block] Accrued employee benefits Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Compensation Documents Incorporated by Reference Documents Incorporated by Reference [Text Block] Other adjustments, net UNITED KINGDOM Weighted-average interest rate Short-Term Debt, Weighted Average Interest Rate, at Point in Time Term debt Loans Payable [Member] Equity Awards Adjustments Equity Awards Adjustments [Member] Hedging Relationship [Domain] Hedging Designation [Domain] Hedging Relationship [Domain] First Priority Senior Secured Notes, $1,525 million First priority Senior Secured Notes, 1,525 million [Member] First priority Senior Secured Notes, 1,525 million Funded status Defined Benefit Plan, Funded (Unfunded) Status of Plan Total non-current derivative contracts Derivative Liability, Noncurrent Other Intangible Assets, Net Intangible Assets, Finite-Lived, Policy [Policy Text Block] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Other loans Notes Payable, Other Payables [Member] Income Tax Jurisdiction [Domain] Income Tax Jurisdiction [Domain] Other non-operating income/(expenses), net Other Nonoperating Income (Expense) 2031 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Five Entity Address, Country Entity Address, Country Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Contingent sale consideration Business Combination, Contingent Consideration, Asset Benefits paid Defined Benefit Plan, Benefit Obligation, Benefits Paid Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] France FRANCE Foreign currency translation Defined Benefit Plan, Benefit Obligation, Foreign Currency Translation Gain (Loss) Hedging Designation [Domain] Hedging Designation [Domain] First Priority Senior Secured Notes, $750 million First Priority Senior Secured Notes, 750m [Member] First Priority Senior Secured Notes, 750m Class of Stock [Domain] Class of Stock [Domain] ePac Holdings LLC ePac Holdings LLC [Member] ePac Holdings LLC Operating cash flows from finance leases Finance Lease, Interest Payment on Liability Other Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Other Change Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Forward exchange contracts Foreign Exchange Forward [Member] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Income Tax Jurisdiction [Axis] Income Tax Jurisdiction [Axis] Income Taxes Income Tax Disclosure [Text Block] Trade payables Accounts Payable, Current Other, net Other Noncash Income (Expense) 2031 Lessee, Operating Lease, Liability, to be Paid, Year Five Receive Variable/Pay Fixed Receive Variable/Pay Fixed [Member] Receive Variable/Pay Fixed Schedule of Benefit Obligations in Excess of Fair Value of Plan Assets Defined Benefit Plan, Plan with Projected Benefit Obligation in Excess of Plan Assets [Table Text Block] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Total consideration Business Combination, Consideration Transferred Excluded components of fair value hedges Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, before Tax Entity Filer Category Entity Filer Category Supplemental Cash Flow Elements [Abstract] Transaction and integration costs Transaction And Integration Costs Transaction And Integration Costs Cross currency swaps Currency Swap [Member] Discount rate Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate Deed of Cross Guarantee Balance Sheet Deed of Cross Guarantee Balance Sheet [Table Text Block] Deed of Cross Guarantee Balance Sheet Finance Leases Finance Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Dividends received from affiliated companies Proceeds from Equity Method Investment, Distribution Forward contract indexed shares (in shares) Forward Contract Indexed to Issuer's Equity, Indexed Shares Derivatives not designated as hedging instruments: Not Designated as Hedging Instrument [Member] Contingent and deferred liabilities incurred related to acquired businesses, but not paid Contingent And Deferred Liabilities Related To Acquired Businesses, But Not Paid Contingent And Deferred Liabilities Related To Acquired Businesses, But Not Paid Equity Method Investments and Joint Ventures [Abstract] Equity Method Investments and Joint Ventures [Abstract] Entity Number of Employees Entity Number of Employees Specialty flexible folding cartons Specialty Flexible Folding Cartons [Member] Specialty Flexible Folding Cartons [Member] Portfolio review expenses Portfolio Review Expenses Portfolio Review Expenses Net income Net income Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Other reconciling items Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent Price per Share (in USD per share) Business Combination, Price Per Share Purchase of treasury shares and tax withholdings for share-based incentive plans Purchase of Treasury Shares And Tax Withholdings For Share-Based Incentive Plans, Cash Paid Purchase of Treasury Shares And Tax Withholdings For Share-Based Incentive Plans, Cash Paid Ratio of indebtedness to assets Ratio Of Indebtedness To Total Tangible Assets Ratio Of Indebtedness To Total Tangible Assets Current assets: Assets, Current [Abstract] Derivative liability Total derivative liability contracts Derivative Liability Net sales Business Combination, Pro Forma Information, Pro Forma Revenue ePac Holdings ePac Holdings [Member] ePac Holdings Senior Notes Senior Notes [Member] Translation of Foreign Currencies and High Inflationary Accounting Foreign Currency Transactions and Translations Policy [Policy Text Block] Entity Address, Address Line One Entity Address, Address Line One Operating leases Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Impairment of intangible assets, finite-lived Intangible Asset, Finite-Lived, Impairment Loss North America North America [Member] Exercised (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Income tax expense Tax effect on amounts reclassified into earnings Income tax expense Income Tax Expense (Benefit) Derivatives in fair value hedging relationships: Fair Value Hedging [Member] Schedule Weighted-average Grant Date Fair Value of Equity Incentive Plan Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Options And Other Than Options, Grants in Period, Grant Date Intrinsic Value [Table Text Block] Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Options And Other Than Options, Grants in Period, Grant Date Intrinsic Value Basis of Presentation and Principles of Consolidation Policy Consolidation, Policy [Policy Text Block] Deferred tax liabilities Business Combination, Recognized Liability Assumed, Deferred Tax Liability U.S. dollar notes, $750 million US Dollar Notes, 750m, Due Mar 2036 [Member] US Dollar Notes, 750m, Due Mar 2036 Settlement impact Defined Benefit Plan, Benefit Obligation And Plan Assets, Transferred To From Plan Defined Benefit Plan, Benefit Obligation And Plan Assets, Transferred To From Plan New Accounting Guidance Accounting Standards Update and Change in Accounting Principle [Text Block] Unamortized commitment fee Unamortized Debt Issuance Expense Line of credit facility, decrease Line of Credit Facility, Increase (Decrease), Net Line of Credit Facility, Increase (Decrease), Net Statement [Table] Statement [Table] Treasury locks Treasury Lock [Member] Disposals Goodwill, Disposals In The Period Goodwill, Disposals In The Period Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Expected Return (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Expected Return (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Global Flexible Packaging Solutions Flexibles Segment [Member] Flexibles Segment [Member] Bank loans Bank Loan Obligations [Member] Auditor Information [Abstract] Auditor Information Interest income Investment Income, Interest Operating lease assets Business Combination, Recognized Asset Acquired, Operating Lease Business Combination, Recognized Asset Acquired, Operating Lease U.S. dollar notes, $725 million U.S. dollar notes, 725m, Mar 2030 [Member] U.S. dollar notes, 725m, Mar 2030 Asset Acquisition, Consideration Transferred, Transaction Cost Asset Acquisition, Consideration Transferred, Transaction Cost Loss contingency, letters of credit Loss Contingency, Letters of Credit Loss Contingency, Letters of Credit Prepaid expenses and other current assets Business Combination, Recognized Asset Acquired, Prepaid Expense and Other Asset, Current Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract]