$AMCR
Amcor plc Stock $amcr

$amcr Overview Financials Valuation SEC Filings Company Website

2020 Q2 Form 10-K Financial Statement

#000174879020000025 Filed on August 27, 2020

Income Statement

Concept	2020 Q2	2020 Q1	2020
Revenue	$3.143B	$3.141B	$12.47B
YoY Change	20.85%	35.98%	31.82%
Cost Of Revenue	$2.423B	$2.489B	$9.932B
YoY Change	17.18%	31.69%	29.68%
Gross Profit	$719.5M	$652.0M	$2.536B
YoY Change	35.12%	55.31%	40.97%
Gross Profit Margin	22.89%	20.76%	20.34%
Selling, General & Admin	$351.4M	$354.0M	$1.385B
YoY Change	-6.24%	60.47%	38.64%
% of Gross Profit	48.84%	54.29%	54.61%
Research & Development	$23.00M	$25.00M	$97.00M
YoY Change	37.72%	58.23%	51.56%
% of Gross Profit	3.2%	3.83%	3.82%
Depreciation & Amortization	$152.3M	$167.5M	$652.0M
YoY Change	-16.96%	102.78%	43.93%
% of Gross Profit	21.17%	25.69%	25.71%
Operating Expenses	$356.3M	$379.0M	$1.482B
YoY Change	40.61%	60.32%	39.42%
Operating Profit	$363.2M	$271.0M	$994.0M
YoY Change	30.13%	49.48%	25.51%
Interest Expense	-$45.20M	$46.00M	$207.0M
YoY Change	4.15%	-9.98%	-0.48%
% of Operating Profit	-12.44%	16.97%	20.82%
Other Income/Expense, Net	-$1.500M	$6.000M	$16.00M
YoY Change	114.29%	445.45%	357.14%
Pretax Income	$263.2M	$236.0M	$825.0M
YoY Change	57.13%	75.07%	36.59%
Income Tax	$63.90M	$56.00M	$187.0M
% Of Pretax Income	24.28%	23.73%	22.67%
Net Earnings	$179.1M	$181.0M	$612.0M
YoY Change	122.21%	60.75%	42.33%
Net Earnings / Revenue	5.7%	5.76%	4.91%
Basic Earnings Per Share	$0.11	$0.11	$0.38
Diluted Earnings Per Share	$0.11	$0.11	$0.38
COMMON SHARES
Basic Shares Outstanding	1.574B shares	1.595B shares	1.601B shares
Diluted Shares Outstanding		1.595B shares	1.602B shares

Balance Sheet

Concept	2020 Q2	2020 Q1	2020
SHORT-TERM ASSETS
Cash & Short-Term Investments	$743.0M	$538.0M	$743.0M
YoY Change	23.42%		23.42%
Cash & Equivalents	$743.0M	$537.8M
Short-Term Investments
Other Short-Term Assets	$344.0M	$414.0M	$344.0M
YoY Change	-56.46%		-56.46%
Inventory	$1.832B	$1.820B	$1.832B
Prepaid Expenses
Receivables	$1.616B	$1.731B	$1.616B
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$4.535B	$4.502B	$4.535B
YoY Change	-12.96%		-12.96%
LONG-TERM ASSETS
Property, Plant & Equipment	$3.615B	$3.633B	$4.140B
YoY Change	-9.06%		4.15%
Goodwill	$5.339B	$5.227B
YoY Change	3.55%
Intangibles	$1.994B	$2.038B
YoY Change	-13.56%
Long-Term Investments	$78.00M	$108.6M	$78.00M
YoY Change	-21.13%		-21.21%
Other Assets	$177.0M	$172.4M	$356.0M
YoY Change	-5.4%		-14.83%
Total Long-Term Assets	$11.91B	$11.92B	$11.91B
YoY Change	-0.4%		-0.4%
TOTAL ASSETS
Total Short-Term Assets	$4.535B	$4.502B	$4.535B
Total Long-Term Assets	$11.91B	$11.92B	$11.91B
Total Assets	$16.44B	$16.42B	$16.44B
YoY Change	-4.21%		-4.21%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$2.171B	$1.861B
YoY Change	-5.75%
Accrued Expenses	$561.0M	$466.0M	$561.0M
YoY Change	48.41%		48.41%
Deferred Revenue
YoY Change
Short-Term Debt	$195.0M	$310.0M	$195.0M
YoY Change	-75.28%		-75.29%
Long-Term Debt Due	$11.00M	$2.800M	$11.00M
YoY Change	103.7%		120.0%
Total Short-Term Liabilities	$3.974B	$3.652B	$3.974B
YoY Change	-12.5%		-12.51%
LONG-TERM LIABILITIES
Long-Term Debt	$6.028B	$6.209B	$6.028B
YoY Change	13.54%		13.54%
Other Long-Term Liabilities	$223.0M	$190.5M	$1.081B
YoY Change	-7.47%		72.13%
Total Long-Term Liabilities	$7.781B	$7.966B	$7.109B
YoY Change	11.98%		19.74%
TOTAL LIABILITIES
Total Short-Term Liabilities	$3.974B	$3.652B	$3.974B
Total Long-Term Liabilities	$7.781B	$7.966B	$7.109B
Total Liabilities	$11.76B	$11.62B	$11.82B
YoY Change	2.3%		2.25%
SHAREHOLDERS EQUITY
Retained Earnings	$246.0M	$254.7M
YoY Change	-24.0%
Common Stock	$5.496B	$5.554B
YoY Change	-8.76%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$67.00M	$11.40M
YoY Change	316.15%
Treasury Stock Shares	7.000M shares	1.100M shares
Shareholders Equity	$4.626B	$4.740B	$4.626B
YoY Change
Total Liabilities & Shareholders Equity	$16.44B	$16.42B	$16.44B
YoY Change	-4.21%		-4.21%

Cashflow Statement

Concept	2020 Q2	2020 Q1	2020
OPERATING ACTIVITIES
Net Income	$179.1M	$181.0M	$612.0M
YoY Change	122.21%	60.75%	42.33%
Depreciation, Depletion And Amortization	$152.3M	$167.5M	$652.0M
YoY Change	-16.96%	102.78%	43.93%
Cash From Operating Activities	$913.9M	$128.3M	$1.384B
YoY Change	49.06%	-213.24%	78.35%
INVESTING ACTIVITIES
Capital Expenditures	-$86.80M	-$106.1M	-$399.5M
YoY Change	6.77%	34.47%	-220.26%
Acquisitions
YoY Change
Other Investing Activities	$8.300M	$28.50M	$437.4M
YoY Change	-96.99%	256.25%	27.75%
Cash From Investing Activities	-$78.50M	-$77.60M	$38.00M
YoY Change	-140.46%	9.45%	280.0%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			$536.0M
YoY Change			-2921.05%
Debt Paid & Issued, Net			$4.225B
YoY Change			35.94%
Cash From Financing Activities	-646.5M	-147.8M	-$1.236B
YoY Change	-15.74%	-163.62%	61.57%
NET CHANGE
Cash From Operating Activities	913.9M	128.3M	$1.384B
Cash From Investing Activities	-78.50M	-77.60M	$38.00M
Cash From Financing Activities	-646.5M	-147.8M	-$1.236B
Net Change In Cash	188.9M	-97.10M	$141.0M
YoY Change	374.62%	-301.87%	-842.11%
FREE CASH FLOW
Cash From Operating Activities	$913.9M	$128.3M	$1.384B
Capital Expenditures	-$86.80M	-$106.1M	-$399.5M
Free Cash Flow	$1.001B	$234.4M	$1.784B
YoY Change	44.11%	-781.4%	301.87%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2020	dei	Amendment Flag AmendmentFlag	false
CY2020	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--06-30
CY2020	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2020
CY2020	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
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CY2020	dei	Document Type DocumentType	10-K
CY2020	dei	Document Annual Report DocumentAnnualReport	true
CY2020	dei	Document Period End Date DocumentPeriodEndDate	2020-06-30
CY2020	dei	Document Period End Date DocumentPeriodEndDate	2020-06-30
CY2020	dei	Document Transition Report DocumentTransitionReport	false
CY2020	dei	Entity File Number EntityFileNumber	001-36786
CY2020	dei	Entity Registrant Name EntityRegistrantName	AMCOR PLC
CY2020	dei	Entity Shell Company EntityShellCompany	false
CY2020	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	Y9
CY2020	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	98-1455367
CY2020	dei	Entity Address Address Line1 EntityAddressAddressLine1	83 Tower Road North
CY2020	dei	Entity Address City Or Town EntityAddressCityOrTown	Warmley, Bristol
CY2020	dei	Entity Address Country EntityAddressCountry	GB
CY2020	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	BS30 8XP
CY2020	dei	Country Region CountryRegion	44
CY2020	dei	City Area Code CityAreaCode	117
CY2020	dei	Local Phone Number LocalPhoneNumber	9753200
CY2020	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2020	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2020	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2020	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2020	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
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CY2019Q2	us-gaap	Assets Of Disposal Group Including Discontinued Operation Current AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent	416100000	USD
CY2020Q2	us-gaap	Assets Current AssetsCurrent	4534700000	USD
CY2019Q2	us-gaap	Assets Current AssetsCurrent	5210100000	USD
CY2020Q2	us-gaap	Equity Method Investments EquityMethodInvestments	77700000	USD
CY2019Q2	us-gaap	Equity Method Investments EquityMethodInvestments	98900000	USD
CY2020Q2	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	3614800000	USD
CY2019Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	3975000000.0	USD
CY2020Q2	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	525300000	USD
CY2019Q2	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	0	USD
CY2020Q2	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	135400000	USD
CY2019Q2	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	190900000	USD
CY2020Q2	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	1994300000	USD
CY2019Q2	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	2306800000	USD
CY2020Q2	us-gaap	Goodwill Goodwill	5339300000	USD
CY2019Q2	us-gaap	Goodwill Goodwill	5156000000.0	USD
CY2020Q2	amcr	Employee Benefit Assets EmployeeBenefitAssets	43400000	USD
CY2019Q2	amcr	Employee Benefit Assets EmployeeBenefitAssets	40200000	USD
CY2020Q2	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	177200000	USD
CY2019Q2	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	187100000	USD
CY2020Q2	us-gaap	Assets Noncurrent AssetsNoncurrent	11907400000	USD
CY2019Q2	us-gaap	Assets Noncurrent AssetsNoncurrent	11954900000	USD
CY2020Q2	us-gaap	Assets Assets	16442100000	USD
CY2019Q2	us-gaap	Assets Assets	17165000000.0	USD
CY2020Q2	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	11100000	USD
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CY2019Q2	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	5400000	USD
CY2020Q2	us-gaap	Short Term Borrowings ShortTermBorrowings	195200000	USD
CY2019Q2	us-gaap	Short Term Borrowings ShortTermBorrowings	788800000	USD
CY2020Q2	us-gaap	Accounts Payable Current AccountsPayableCurrent	2170800000	USD
CY2019Q2	us-gaap	Accounts Payable Current AccountsPayableCurrent	2303400000	USD
CY2020Q2	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	476500000	USD
CY2019Q2	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	378400000	USD
CY2020Q2	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	1120000000.0	USD
CY2019Q2	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	1044900000	USD
CY2020Q2	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation Current LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent	0	USD
CY2019Q2	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation Current LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent	20900000	USD
CY2020Q2	us-gaap	Liabilities Current LiabilitiesCurrent	3973600000	USD
CY2019Q2	us-gaap	Liabilities Current LiabilitiesCurrent	4541800000	USD
CY2020Q2	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	6028400000	USD
CY2019Q2	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	5309000000.0	USD
CY2020Q2	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	465700000	USD
CY2020Q2	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	672400000	USD
CY2019Q2	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	1011700000	USD
CY2020Q2	us-gaap	Pension And Other Postretirement And Postemployment Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent	391700000	USD
CY2019Q2	us-gaap	Pension And Other Postretirement And Postemployment Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent	386800000	USD
CY2020Q2	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	223200000	USD
CY2019Q2	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	241000000.0	USD
CY2020Q2	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	7781400000	USD
CY2019Q2	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	6948500000	USD
CY2020Q2	us-gaap	Liabilities Liabilities	11755000000.0	USD
CY2019Q2	us-gaap	Liabilities Liabilities	11490300000	USD
CY2020Q2	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2019Q2	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2020Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2019Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2020Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	9000000000.0	shares
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CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	34000000.0	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	18600000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	21000000.0	USD
CY2020	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	200000	USD
CY2019	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	77900000	USD
CY2018	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-400000	USD
CY2020	amcr	Losson Transitionto Hyperinflation Accounting LossonTransitiontoHyperinflationAccounting	37900000	USD
CY2019	amcr	Losson Transitionto Hyperinflation Accounting LossonTransitiontoHyperinflationAccounting	30200000	USD
CY2018	amcr	Losson Transitionto Hyperinflation Accounting LossonTransitiontoHyperinflationAccounting	0	USD
CY2020Q2	us-gaap	Minority Interest MinorityInterest	61200000	USD
CY2019Q2	us-gaap	Minority Interest MinorityInterest	65700000	USD
CY2020Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	4687100000	USD
CY2019Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	5674700000	USD
CY2020Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	16442100000	USD
CY2019Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	17165000000.0	USD
CY2020	us-gaap	Profit Loss ProfitLoss	616600000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	437400000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	586600000	USD
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CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	357100000	USD
CY2020	us-gaap	Pension Expense PensionExpense	9100000	USD
CY2019	us-gaap	Pension Expense PensionExpense	12500000	USD
CY2018	us-gaap	Pension Expense PensionExpense	7700000	USD
CY2020	us-gaap	Other Amortization Of Deferred Charges OtherAmortizationOfDeferredCharges	8100000	USD
CY2019	us-gaap	Other Amortization Of Deferred Charges OtherAmortizationOfDeferredCharges	5800000	USD
CY2018	us-gaap	Other Amortization Of Deferred Charges OtherAmortizationOfDeferredCharges	5100000	USD
CY2020	us-gaap	Sale Leaseback Transaction Current Period Gain Recognized SaleLeasebackTransactionCurrentPeriodGainRecognized	0	USD
CY2019	us-gaap	Sale Leaseback Transaction Current Period Gain Recognized SaleLeasebackTransactionCurrentPeriodGainRecognized	7000000.0	USD
CY2018	us-gaap	Sale Leaseback Transaction Current Period Gain Recognized SaleLeasebackTransactionCurrentPeriodGainRecognized	4400000	USD
CY2020	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	3600000	USD
CY2019	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	16000000.0	USD
CY2018	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	18200000	USD
CY2020	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	0	USD
CY2019	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	159100000	USD
CY2018	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	0	USD
CY2020	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-14000000.0	USD
CY2019	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	4100000	USD
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CY2020	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	16200000	USD
CY2019	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	5100000	USD
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CY2019	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	8300000	USD
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CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	72800000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-73500000	USD
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CY2020Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	1568500000	shares
CY2019Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	1625900000	shares
CY2020Q2	us-gaap	Common Stock Value CommonStockValue	15700000	USD
CY2019Q2	us-gaap	Common Stock Value CommonStockValue	16300000	USD
CY2020Q2	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	5480000000.0	USD
CY2019Q2	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	6007500000	USD
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CY2020Q2	us-gaap	Treasury Stock Shares TreasuryStockShares	6700000	shares
CY2019Q2	us-gaap	Treasury Stock Shares TreasuryStockShares	1400000	shares
CY2020Q2	us-gaap	Treasury Stock Value TreasuryStockValue	67000000.0	USD
CY2019Q2	us-gaap	Treasury Stock Value TreasuryStockValue	16100000	USD
CY2020Q2	us-gaap	Stockholders Equity StockholdersEquity	4625900000	USD
CY2019Q2	us-gaap	Stockholders Equity StockholdersEquity	5609000000.0	USD
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CY2019	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-3200000	USD
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CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	871400000	USD
CY2020	us-gaap	Payments To Fund Longterm Loans To Related Parties PaymentsToFundLongtermLoansToRelatedParties	200000	USD
CY2019	us-gaap	Payments To Fund Longterm Loans To Related Parties PaymentsToFundLongtermLoansToRelatedParties	500000	USD
CY2018	us-gaap	Payments To Fund Longterm Loans To Related Parties PaymentsToFundLongtermLoansToRelatedParties	700000	USD
CY2020	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	0	USD
CY2019	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	0	USD
CY2018	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	13200000	USD
CY2020	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	0	USD
CY2019	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	41900000	USD
CY2018	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	0	USD
CY2020	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	399500000	USD
CY2019	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	332200000	USD
CY2018	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	365000000.0	USD
CY2020	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	424900000	USD
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CY2018	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	0	USD
CY2020	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	12700000	USD
CY2019	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	84700000	USD
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CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	10200000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-241900000	USD
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CY2020	amcr	Settlementof Forward Contracts SettlementofForwardContracts	0	USD
CY2019	amcr	Settlementof Forward Contracts SettlementofForwardContracts	28200000	USD
CY2018	amcr	Settlementof Forward Contracts SettlementofForwardContracts	39000000.0	USD
CY2020	amcr	Purchaseof Treasury Shares Cash Paid PurchaseofTreasurySharesCashPaid	67000000.0	USD
CY2019	amcr	Purchaseof Treasury Shares Cash Paid PurchaseofTreasurySharesCashPaid	20200000	USD
CY2018	amcr	Purchaseof Treasury Shares Cash Paid PurchaseofTreasurySharesCashPaid	35700000	USD
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CY2019	us-gaap	Proceeds From Payments To Minority Shareholders ProceedsFromPaymentsToMinorityShareholders	3600000	USD
CY2018	us-gaap	Proceeds From Payments To Minority Shareholders ProceedsFromPaymentsToMinorityShareholders	-100000	USD
CY2020	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	3193400000	USD
CY2019	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	3228700000	USD
CY2018	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	607100000	USD
CY2020	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	4225100000	USD
CY2019	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	3108100000	USD
CY2018	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	744500000	USD
CY2020	us-gaap	Proceeds From Repayments Of Commercial Paper ProceedsFromRepaymentsOfCommercialPaper	1742200000	USD
CY2019	us-gaap	Proceeds From Repayments Of Commercial Paper ProceedsFromRepaymentsOfCommercialPaper	-557600000	USD
CY2018	us-gaap	Proceeds From Repayments Of Commercial Paper ProceedsFromRepaymentsOfCommercialPaper	16300000	USD
CY2020	amcr	Proceeds From Repayments Of Other Short Term Debt ProceedsFromRepaymentsOfOtherShortTermDebt	585900000	USD
CY2019	amcr	Proceeds From Repayments Of Other Short Term Debt ProceedsFromRepaymentsOfOtherShortTermDebt	-379200000	USD
CY2018	amcr	Proceeds From Repayments Of Other Short Term Debt ProceedsFromRepaymentsOfOtherShortTermDebt	-155400000	USD
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CY2019	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	1900000	USD
CY2018	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	3500000	USD
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	536600000	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
CY2020	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	761100000	USD
CY2019	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	679700000	USD
CY2018	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	526800000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1236400000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-764900000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-542700000	USD
CY2020	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-44700000	USD
CY2019	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1000000.0	USD
CY2018	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-27500000	USD
CY2020	amcr	Disposal Group Including Discontinued Operation Cash And Cash Equivalents Increase Decrease DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalentsIncreaseDecrease	0	USD
CY2019	amcr	Disposal Group Including Discontinued Operation Cash And Cash Equivalents Increase Decrease DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalentsIncreaseDecrease	-41600000	USD
CY2018	amcr	Disposal Group Including Discontinued Operation Cash And Cash Equivalents Increase Decrease DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalentsIncreaseDecrease	0	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	141000000.0	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-19200000	USD
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	59300000	USD
CY2019Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	601600000	USD
CY2018Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	620800000	USD
CY2017Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	561500000	USD
CY2020Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	742600000	USD
CY2019Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	601600000	USD
CY2018Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	620800000	USD
CY2017Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	587600000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	586600000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	68800000	USD
CY2018	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.445
CY2018	us-gaap	Dividends Dividends	526900000	USD
CY2018	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	26600000	USD
CY2018	amcr	Forward Contractsto Purchase Own Equity ForwardContractstoPurchaseOwnEquity	26500000	USD
CY2018	amcr	Settlementof Forward Contractsto Purchase Own Equity SettlementofForwardContractstoPurchaseOwnEquity	0	USD
CY2018	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	39100000	USD
CY2018	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	18400000	USD
CY2018	amcr	Noncontrolling Interest Increase Decrease From Subsidiary Equity Issuance And Purchase Of Interests NoncontrollingInterestIncreaseDecreaseFromSubsidiaryEquityIssuanceAndPurchaseOfInterests	-100000	USD
CY2018Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	695400000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	437400000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-13300000	USD
CY2019	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.575
CY2019	us-gaap	Dividends Dividends	679700000	USD
CY2019	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	21800000	USD
CY2019	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	0	USD
CY2019	amcr	Forward Contractsto Purchase Own Equity ForwardContractstoPurchaseOwnEquity	11000000.0	USD
CY2019	amcr	Settlementof Forward Contractsto Purchase Own Equity SettlementofForwardContractstoPurchaseOwnEquity	0	USD
CY2019	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	21800000	USD
CY2019	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	5229600000	USD
CY2019	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	15400000	USD
CY2019	amcr	Noncontrolling Interest Increase Decrease From Subsidiary Equity Issuance And Purchase Of Interests NoncontrollingInterestIncreaseDecreaseFromSubsidiaryEquityIssuanceAndPurchaseOfInterests	900000	USD
CY2019Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	5674700000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	616600000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-326900000	USD
CY2020	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	536600000	USD
CY2020	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.465
CY2020	us-gaap	Dividends Dividends	761100000	USD
CY2020	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	1100000	USD
CY2020	amcr	Forward Contractsto Purchase Own Equity ForwardContractstoPurchaseOwnEquity	10500000	USD
CY2020	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	67000000.0	USD
CY2020	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	34000000.0	USD
CY2020	amcr	Noncontrolling Interest Increase Decrease From Subsidiary Equity Issuance And Purchase Of Interests NoncontrollingInterestIncreaseDecreaseFromSubsidiaryEquityIssuanceAndPurchaseOfInterests	4600000	USD
CY2020Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	4687100000	USD
CY2020Q2	dei	Entity Number Of Employees EntityNumberOfEmployees	47000	numberOfEmployees
CY2020Q2	amcr	Numberof Facilitiesinwhich Entity Operates NumberofFacilitiesinwhichEntityOperates	231	numberOfFacilities
CY2020Q2	us-gaap	Number Of Countries In Which Entity Operates NumberOfCountriesInWhichEntityOperates	40	numberOfCountries
CY2020	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	numberOfSegments
CY2020	us-gaap	Use Of Estimates UseOfEstimates	<div><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%;">Estimates and Assumptions Required:</span><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;"> The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities at the date of the consolidated financial statements and the reported amounts of revenues and expenses during the reporting periods.</span></div><div><span><br/></span></div><div><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;"> These estimates are based on historical experience and various assumptions believed to be reasonable under the circumstances. Management evaluates these estimates on an ongoing basis and adjusts or revises the estimates as circumstances change. As future events and their impacts cannot be determined with precision, actual results may differ from these estimates. In the opinion of management, the consolidated financial statements reflect all adjustments necessary to fairly present the results of the periods presented.</span></div><div><span><br/></span></div><div><span style="background-color:rgb(255,255,255, 0.0);color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;"> The impact that the 2019 Novel Coronavirus ("COVID-19") pandemic will have on the Company's consolidated operations is uncertain. The Company has considered the potential impacts of the COVID-19 pandemic when developing the Company's estimates and judgements as of June 30, 2020, and will continue to evaluate the extent of the impact on the Company's business and consolidated financial statements. The Company's accounting estimates and assumptions may change over time in response to COVID-19 and the change could be material in future periods.</span></div>
CY2020	amcr	Impactof Hyperinflation ImpactofHyperinflation	27700000	USD
CY2019	amcr	Losson Transitionto Hyperinflation Accounting LossonTransitiontoHyperinflationAccounting	30200000	USD
CY2020Q2	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	35300000	USD
CY2019Q2	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	34400000	USD
CY2020Q2	amcr	Factoredand Recorded Under Trade Receivables FactoredandRecordedUnderTradeReceivables	0	USD
CY2019Q2	amcr	Factoredand Recorded Under Trade Receivables FactoredandRecordedUnderTradeReceivables	152700000	USD
CY2020Q2	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	808600000	USD
CY2019Q2	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	864600000	USD
CY2020Q2	us-gaap	Inventory Finished Goods And Work In Process InventoryFinishedGoodsAndWorkInProcess	1127600000	USD
CY2019Q2	us-gaap	Inventory Finished Goods And Work In Process InventoryFinishedGoodsAndWorkInProcess	1180900000	USD
CY2020Q2	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	104300000	USD
CY2019Q2	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	91700000	USD
CY2020Q2	us-gaap	Inventory Net InventoryNet	1831900000	USD
CY2019Q2	us-gaap	Inventory Net InventoryNet	1953800000	USD
CY2020	us-gaap	Asset Impairment Charges AssetImpairmentCharges	21500000	USD
CY2019	us-gaap	Asset Impairment Charges AssetImpairmentCharges	75100000	USD
CY2018	us-gaap	Asset Impairment Charges AssetImpairmentCharges	4400000	USD
CY2020	us-gaap	Number Of Reporting Units NumberOfReportingUnits	6	numberOfSegments
CY2020	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	63500000	USD
CY2019	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	39900000	USD
CY2018	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	39800000	USD
CY2019Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	506800000	USD
CY2019Q2	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	0	USD
CY2019Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	569800000	USD
CY2019Q2	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	1044900000	USD
CY2019Q3	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	1099200000	USD
CY2019Q2	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	0	USD
CY2019Q2	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	1011700000	USD
CY2019Q3	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	1030400000	USD
CY2019Q2	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	241000000.0	USD
CY2019Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	172800000	USD
CY2019Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	323700000	USD
CY2019Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	381900000	USD
CY2020	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	-7100000	USD
CY2019	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Before Income Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax	900000	USD
CY2020	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	600000	USD
CY2019	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	200000	USD
CY2020	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	-7700000	USD
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	700000	USD
	us-gaap	Restructuring Charges RestructuringCharges	236200000	USD
CY2018	us-gaap	Restructuring Charges RestructuringCharges	40200000	USD
CY2019	us-gaap	Restructuring Charges RestructuringCharges	130800000	USD
CY2020	us-gaap	Restructuring Charges RestructuringCharges	115100000	USD
	us-gaap	Restructuring Charges RestructuringCharges	522300000	USD
CY2020	us-gaap	Restructuring Reserve Translation Adjustment RestructuringReserveTranslationAdjustment	-700000	USD
CY2017Q2	us-gaap	Restructuring Reserve RestructuringReserve	87500000	USD
CY2018	us-gaap	Restructuring Reserve Accrual Adjustment1 RestructuringReserveAccrualAdjustment1	40200000	USD
CY2018	us-gaap	Payments For Restructuring PaymentsForRestructuring	91400000	USD
CY2018	us-gaap	Restructuring Reserve Settled Without Cash2 RestructuringReserveSettledWithoutCash2	4000000.0	USD
CY2018	us-gaap	Restructuring Reserve Translation Adjustment RestructuringReserveTranslationAdjustment	2800000	USD
CY2018Q2	us-gaap	Restructuring Reserve RestructuringReserve	35100000	USD
CY2019	us-gaap	Restructuring Reserve Accrual Adjustment1 RestructuringReserveAccrualAdjustment1	130800000	USD
CY2019	amcr	Restructuring Reserve Additions Through Business Acquisitions RestructuringReserveAdditionsThroughBusinessAcquisitions	4700000	USD
CY2019	us-gaap	Payments For Restructuring PaymentsForRestructuring	52900000	USD
CY2019	us-gaap	Restructuring Reserve Settled Without Cash2 RestructuringReserveSettledWithoutCash2	29400000	USD
CY2019	us-gaap	Restructuring Reserve Translation Adjustment RestructuringReserveTranslationAdjustment	-700000	USD
CY2019Q2	us-gaap	Restructuring Reserve RestructuringReserve	87600000	USD
CY2020	us-gaap	Restructuring Reserve Accrual Adjustment1 RestructuringReserveAccrualAdjustment1	97600000	USD
CY2020	us-gaap	Payments For Restructuring PaymentsForRestructuring	77900000	USD
CY2020	us-gaap	Restructuring Reserve Settled Without Cash2 RestructuringReserveSettledWithoutCash2	22100000	USD
CY2020Q2	us-gaap	Restructuring Reserve RestructuringReserve	84500000	USD
CY2020Q2	us-gaap	Equity Method Investment Ownership Percentage EquityMethodInvestmentOwnershipPercentage	0.476
CY2019Q2	us-gaap	Equity Method Investment Ownership Percentage EquityMethodInvestmentOwnershipPercentage	0.476
CY2020Q2	us-gaap	Equity Method Investment Quoted Market Value EquityMethodInvestmentQuotedMarketValue	77700000	USD
CY2019Q2	us-gaap	Equity Method Investment Quoted Market Value EquityMethodInvestmentQuotedMarketValue	104800000	USD
CY2020	us-gaap	Equity Method Investment Other Than Temporary Impairment EquityMethodInvestmentOtherThanTemporaryImpairment	25600000	USD
CY2019	us-gaap	Equity Method Investment Other Than Temporary Impairment EquityMethodInvestmentOtherThanTemporaryImpairment	14000000.0	USD
CY2018	us-gaap	Equity Method Investment Other Than Temporary Impairment EquityMethodInvestmentOtherThanTemporaryImpairment	36500000	USD
CY2020Q2	us-gaap	Land And Land Improvements LandAndLandImprovements	197400000	USD
CY2019Q2	us-gaap	Land And Land Improvements LandAndLandImprovements	184300000	USD
CY2020Q2	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	1253400000	USD
CY2019Q2	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	1305000000.0	USD
CY2020Q2	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	5434800000	USD
CY2019Q2	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	5614900000	USD
CY2020Q2	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization	6885600000	USD
CY2019Q2	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	7104200000	USD
CY2020Q2	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization	3223800000	USD
CY2019Q2	us-gaap	Property Plant And Equipment Owned Accumulated Depreciation PropertyPlantAndEquipmentOwnedAccumulatedDepreciation	3100300000	USD
CY2020Q2	amcr	Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Impairments PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedImpairments	47000000.0	USD
CY2019Q2	amcr	Property Plantand Equipment Accumulated Impairment PropertyPlantandEquipmentAccumulatedImpairment	28900000	USD
CY2020Q2	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	3614800000	USD
CY2019Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	3975000000.0	USD
CY2020	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	402800000	USD
CY2019	us-gaap	Depreciation Depreciation	305700000	USD
CY2018	us-gaap	Depreciation Depreciation	320800000	USD
CY2018Q2	us-gaap	Goodwill Goodwill	2056600000	USD
CY2019	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	3137700000	USD
CY2019	us-gaap	Goodwill Transfers GoodwillTransfers	24200000	USD
CY2019	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-14100000	USD
CY2019Q2	us-gaap	Goodwill Goodwill	5156000000.0	USD
CY2020	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	229900000	USD
CY2020	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-46600000	USD
CY2020Q2	us-gaap	Goodwill Goodwill	5339300000	USD
CY2020Q2	us-gaap	Disposal Group Including Discontinued Operation Goodwill1 DisposalGroupIncludingDiscontinuedOperationGoodwill1	282000000.0	USD
CY2020Q2	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	4000000.0	USD
CY2020Q2	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	2496400000	USD
CY2020Q2	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	502100000	USD
CY2020Q2	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	1994300000	USD
CY2019Q2	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	2625600000	USD
CY2019Q2	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	318800000	USD
CY2019Q2	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	2306800000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	204400000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	44000000.0	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	31900000	USD
CY2020	us-gaap	Impairment Of Intangible Assets Finitelived ImpairmentOfIntangibleAssetsFinitelived	31100000	USD
CY2020Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	180200000	USD
CY2020Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	175700000	USD
CY2020Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	171900000	USD
CY2020Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	167600000	USD
CY2020Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	147700000	USD
CY2020Q2	amcr	Long Term Debt With Fixed Interest Rates LongTermDebtWithFixedInterestRates	3599300000	USD
CY2019Q2	amcr	Long Term Debt With Fixed Interest Rates LongTermDebtWithFixedInterestRates	2955600000	USD
CY2019Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	13600000	USD
CY2018Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	14600000	USD
CY2017Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	27600000	USD
CY2020	amcr	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Additions Dueto Acquisitions FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityAdditionsDuetoAcquisitions	0	USD
CY2019	amcr	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Additions Dueto Acquisitions FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityAdditionsDuetoAcquisitions	0	USD
CY2018	amcr	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Additions Dueto Acquisitions FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityAdditionsDuetoAcquisitions	0	USD
CY2020	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	1100000	USD
CY2019	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	0	USD
CY2018	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	800000	USD
CY2020	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements	0	USD
CY2019	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements	1000000.0	USD
CY2018	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements	13000000.0	USD
CY2020	amcr	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Foreign Currency Translation FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityForeignCurrencyTranslation	-100000	USD
CY2019	amcr	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Foreign Currency Translation FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityForeignCurrencyTranslation	0	USD
CY2018	amcr	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Foreign Currency Translation FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityForeignCurrencyTranslation	800000	USD
CY2020Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	14800000	USD
CY2019Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	13600000	USD
CY2018Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	14600000	USD
CY2020	us-gaap	Impairment Of Intangible Assets Finitelived ImpairmentOfIntangibleAssetsFinitelived	31100000	USD
CY2020Q2	us-gaap	Derivative Assets DerivativeAssets	39800000	USD
CY2019Q2	us-gaap	Derivative Assets DerivativeAssets	38300000	USD
CY2020Q2	us-gaap	Derivative Liabilities DerivativeLiabilities	23700000	USD
CY2019Q2	us-gaap	Derivative Liabilities DerivativeLiabilities	13900000	USD
CY2018	amcr	Tax Effect Of Effective Derivatives TaxEffectOfEffectiveDerivatives	600000	USD
CY2020	amcr	Tax Effect Of Effective Derivatives TaxEffectOfEffectiveDerivatives	200000	USD
CY2019	amcr	Tax Effect Of Effective Derivatives TaxEffectOfEffectiveDerivatives	1800000	USD
CY2020	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-21700000	USD
CY2019	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-3600000	USD
CY2018	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-2000000.0	USD
CY2020Q2	amcr	Mandatory Pension Plans Numberof Plans MandatoryPensionPlansNumberofPlans	21	numberOfPlans
CY2020Q2	amcr	Voluntary Pension Plans Numberof Plans VoluntaryPensionPlansNumberofPlans	57	numberOfPlans
CY2020	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	23400000	USD
CY2019	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	14900000	USD
CY2018	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	16300000	USD
CY2020	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	48500000	USD
CY2019	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	26400000	USD
CY2018	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	27500000	USD
CY2019	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	32700000	USD
CY2020	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	72200000	USD
CY2018	us-gaap	Defined Benefit Plan Expected Return On Plan Assets DefinedBenefitPlanExpectedReturnOnPlanAssets	38400000	USD
CY2020	us-gaap	Defined Benefit Plan Amortization Of Transition Asset Obligation DefinedBenefitPlanAmortizationOfTransitionAssetObligation	-5400000	USD
CY2019	us-gaap	Defined Benefit Plan Amortization Of Transition Asset Obligation DefinedBenefitPlanAmortizationOfTransitionAssetObligation	-3400000	USD
CY2018	us-gaap	Defined Benefit Plan Amortization Of Transition Asset Obligation DefinedBenefitPlanAmortizationOfTransitionAssetObligation	-5200000	USD
CY2020	us-gaap	Defined Benefit Plan Amortization Of Prior Service Cost Credit DefinedBenefitPlanAmortizationOfPriorServiceCostCredit	-1600000	USD
CY2019	us-gaap	Defined Benefit Plan Amortization Of Prior Service Cost Credit DefinedBenefitPlanAmortizationOfPriorServiceCostCredit	-1700000	USD
CY2018	us-gaap	Defined Benefit Plan Amortization Of Prior Service Cost Credit DefinedBenefitPlanAmortizationOfPriorServiceCostCredit	-2200000	USD
CY2020	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Curtailments DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments	-300000	USD
CY2019	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Curtailments DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments	100000	USD
CY2018	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Curtailments DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments	2700000	USD
CY2020	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1	-5300000	USD
CY2019	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1	-2300000	USD
CY2018	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1	-2000000.0	USD
CY2020	us-gaap	Defined Benefit Plan Other Costs DefinedBenefitPlanOtherCosts	800000	USD
CY2019	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	12500000	USD
CY2019	us-gaap	Defined Benefit Plan Other Costs DefinedBenefitPlanOtherCosts	0	USD
CY2018	us-gaap	Defined Benefit Plan Other Costs DefinedBenefitPlanOtherCosts	0	USD
CY2020	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	9900000	USD
CY2018	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	7700000	USD
CY2020	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	9900000	USD
CY2019	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	12500000	USD
CY2018	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	7700000	USD
CY2019Q2	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	1985000000.0	USD
CY2018Q2	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	1179900000	USD
CY2020	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	23400000	USD
CY2019	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	14900000	USD
CY2020	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	48500000	USD
CY2019	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	26400000	USD
CY2020	us-gaap	Defined Benefit Plan Benefit Obligation Contributions By Plan Participant DefinedBenefitPlanBenefitObligationContributionsByPlanParticipant	6100000	USD
CY2019	us-gaap	Defined Benefit Plan Benefit Obligation Contributions By Plan Participant DefinedBenefitPlanBenefitObligationContributionsByPlanParticipant	6100000	USD
CY2020	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	127400000	USD
CY2019	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	101500000	USD
CY2020	us-gaap	Defined Benefit Plan Curtailments DefinedBenefitPlanCurtailments	100000	USD
CY2019	us-gaap	Defined Benefit Plan Curtailments DefinedBenefitPlanCurtailments	100000	USD
CY2020	us-gaap	Defined Benefit Plan Benefit Obligation Increase Decrease For Remeasurement Due To Settlement DefinedBenefitPlanBenefitObligationIncreaseDecreaseForRemeasurementDueToSettlement	42600000	USD
CY2019	us-gaap	Defined Benefit Plan Benefit Obligation Increase Decrease For Remeasurement Due To Settlement DefinedBenefitPlanBenefitObligationIncreaseDecreaseForRemeasurementDueToSettlement	26900000	USD
CY2020	us-gaap	Defined Benefit Plan Benefit Obligation Benefits Paid DefinedBenefitPlanBenefitObligationBenefitsPaid	76800000	USD
CY2019	us-gaap	Defined Benefit Plan Benefit Obligation Benefits Paid DefinedBenefitPlanBenefitObligationBenefitsPaid	37600000	USD
CY2020	amcr	Defined Benefit Plan Benefit Obligation Administration Expense DefinedBenefitPlanBenefitObligationAdministrationExpense	5000000.0	USD
CY2019	amcr	Defined Benefit Plan Benefit Obligation Administration Expense DefinedBenefitPlanBenefitObligationAdministrationExpense	1800000	USD
CY2020	us-gaap	Defined Benefit Plan Plan Amendments DefinedBenefitPlanPlanAmendments	-200000	USD
CY2019	us-gaap	Defined Benefit Plan Plan Amendments DefinedBenefitPlanPlanAmendments	11000000.0	USD
CY2020	us-gaap	Defined Benefit Plan Business Combinations And Acquisitions Benefit Obligation DefinedBenefitPlanBusinessCombinationsAndAcquisitionsBenefitObligation	100000	USD
CY2019	us-gaap	Defined Benefit Plan Business Combinations And Acquisitions Benefit Obligation DefinedBenefitPlanBusinessCombinationsAndAcquisitionsBenefitObligation	723800000	USD
CY2020	us-gaap	Defined Benefit Plan Other Changes DefinedBenefitPlanOtherChanges	2800000	USD
CY2019	us-gaap	Defined Benefit Plan Other Changes DefinedBenefitPlanOtherChanges	0	USD
CY2020	us-gaap	Defined Benefit Plan Foreign Currency Exchange Rate Changes Benefit Obligation DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation	-17700000	USD
CY2019	us-gaap	Defined Benefit Plan Foreign Currency Exchange Rate Changes Benefit Obligation DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation	-12200000	USD
CY2020Q2	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	2050900000	USD
CY2019Q2	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	1985000000.0	USD
CY2020Q2	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	1978700000	USD
CY2019Q2	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	1917000000.0	USD
CY2019Q2	us-gaap	Defined Benefit Plan Assets For Plan Benefits Noncurrent DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent	1631000000.0	USD
CY2018Q2	us-gaap	Defined Benefit Plan Assets For Plan Benefits Noncurrent DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent	939300000	USD
CY2020	us-gaap	Defined Benefit Plan Actual Return On Plan Assets DefinedBenefitPlanActualReturnOnPlanAssets	158800000	USD
CY2019	us-gaap	Defined Benefit Plan Actual Return On Plan Assets DefinedBenefitPlanActualReturnOnPlanAssets	65800000	USD
CY2020	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	34300000	USD
CY2019	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	35700000	USD
CY2020	us-gaap	Defined Benefit Plan Plan Assets Contributions By Plan Participant DefinedBenefitPlanPlanAssetsContributionsByPlanParticipant	6100000	USD
CY2019	us-gaap	Defined Benefit Plan Plan Assets Contributions By Plan Participant DefinedBenefitPlanPlanAssetsContributionsByPlanParticipant	6100000	USD
CY2020	us-gaap	Defined Benefit Plan Plan Assets Benefits Paid DefinedBenefitPlanPlanAssetsBenefitsPaid	76800000	USD
CY2019	us-gaap	Defined Benefit Plan Plan Assets Benefits Paid DefinedBenefitPlanPlanAssetsBenefitsPaid	37600000	USD
CY2020	us-gaap	Defined Benefit Plan Settlements Plan Assets DefinedBenefitPlanSettlementsPlanAssets	42600000	USD
CY2019	us-gaap	Defined Benefit Plan Settlements Plan Assets DefinedBenefitPlanSettlementsPlanAssets	27100000	USD
CY2020	us-gaap	Defined Benefit Plan Administration Expenses DefinedBenefitPlanAdministrationExpenses	5000000.0	USD
CY2019	us-gaap	Defined Benefit Plan Administration Expenses DefinedBenefitPlanAdministrationExpenses	1800000	USD
CY2020	us-gaap	Defined Benefit Plan Business Combinations And Acquisitions Plan Assets DefinedBenefitPlanBusinessCombinationsAndAcquisitionsPlanAssets	0	USD
CY2019	us-gaap	Defined Benefit Plan Business Combinations And Acquisitions Plan Assets DefinedBenefitPlanBusinessCombinationsAndAcquisitionsPlanAssets	662200000	USD
CY2020	us-gaap	Defined Benefit Plan Plan Assets Foreign Currency Translation Gain Loss DefinedBenefitPlanPlanAssetsForeignCurrencyTranslationGainLoss	-14700000	USD
CY2019	us-gaap	Defined Benefit Plan Plan Assets Foreign Currency Translation Gain Loss DefinedBenefitPlanPlanAssetsForeignCurrencyTranslationGainLoss	-11600000	USD
CY2020Q2	us-gaap	Defined Benefit Plan Assets For Plan Benefits Noncurrent DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent	1691100000	USD
CY2019Q2	us-gaap	Defined Benefit Plan Assets For Plan Benefits Noncurrent DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent	1631000000.0	USD
CY2020Q2	us-gaap	Defined Benefit Plan Pension Plan With Projected Benefit Obligation In Excess Of Plan Assets Projected Benefit Obligation DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsProjectedBenefitObligation	1694900000	USD
CY2019Q2	us-gaap	Defined Benefit Plan Pension Plan With Projected Benefit Obligation In Excess Of Plan Assets Projected Benefit Obligation DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsProjectedBenefitObligation	1658500000	USD
CY2020Q2	us-gaap	Defined Benefit Plan Pension Plan With Projected Benefit Obligation In Excess Of Plan Assets Accumulated Benefit Obligation DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsAccumulatedBenefitObligation	1625900000	USD
CY2019Q2	us-gaap	Defined Benefit Plan Pension Plan With Projected Benefit Obligation In Excess Of Plan Assets Accumulated Benefit Obligation DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsAccumulatedBenefitObligation	1590000000.0	USD
CY2020Q2	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Fair Value Of Plan Assets DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets	1291700000	USD
CY2019Q2	us-gaap	Defined Benefit Plan Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets Aggregate Fair Value Of Plan Assets DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets	1265000000.0	USD
CY2020Q2	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	1691100000	USD
CY2019Q2	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	1631000000.0	USD
CY2020Q2	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	2050900000	USD
CY2019Q2	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	1985000000.0	USD
CY2020Q2	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-359800000	USD
CY2019Q2	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-354000000.0	USD
CY2020Q2	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-359800000	USD
CY2019Q2	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-354000000.0	USD
CY2020	us-gaap	Defined Benefit Plan Actuarial Gain Loss Immediate Recognition As Component In Net Periodic Benefit Cost Credit DefinedBenefitPlanActuarialGainLossImmediateRecognitionAsComponentInNetPeriodicBenefitCostCredit	-40700000	USD
CY2019	us-gaap	Defined Benefit Plan Actuarial Gain Loss Immediate Recognition As Component In Net Periodic Benefit Cost Credit DefinedBenefitPlanActuarialGainLossImmediateRecognitionAsComponentInNetPeriodicBenefitCostCredit	-68400000	USD
CY2018	us-gaap	Defined Benefit Plan Actuarial Gain Loss Immediate Recognition As Component In Net Periodic Benefit Cost Credit DefinedBenefitPlanActuarialGainLossImmediateRecognitionAsComponentInNetPeriodicBenefitCostCredit	33100000	USD
CY2020	us-gaap	Defined Benefit Plan Amounts Recognized In Other Comprehensive Income Net Prior Service Cost Credit Before Tax DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax	-200000	USD
CY2019	us-gaap	Defined Benefit Plan Amounts Recognized In Other Comprehensive Income Net Prior Service Cost Credit Before Tax DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax	11100000	USD
CY2018	us-gaap	Defined Benefit Plan Amounts Recognized In Other Comprehensive Income Net Prior Service Cost Credit Before Tax DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax	0	USD
CY2020	amcr	Other Comprehensive Income Loss Defined Benefit Plan Amortizationof Actuarial Gain Lossafter Reclassification Adjustmentbefore Tax OtherComprehensiveIncomeLossDefinedBenefitPlanAmortizationofActuarialGainLossafterReclassificationAdjustmentbeforeTax	5400000	USD
CY2019	amcr	Other Comprehensive Income Loss Defined Benefit Plan Amortizationof Actuarial Gain Lossafter Reclassification Adjustmentbefore Tax OtherComprehensiveIncomeLossDefinedBenefitPlanAmortizationofActuarialGainLossafterReclassificationAdjustmentbeforeTax	3400000	USD
CY2018	amcr	Other Comprehensive Income Loss Defined Benefit Plan Amortizationof Actuarial Gain Lossafter Reclassification Adjustmentbefore Tax OtherComprehensiveIncomeLossDefinedBenefitPlanAmortizationofActuarialGainLossafterReclassificationAdjustmentbeforeTax	5200000	USD
CY2020	amcr	Other Comprehensive Income Loss Defined Benefit Plan Loss Gain Dueto Settlementor Curtailmentafter Reclassification Adjustmentbefore Tax OtherComprehensiveIncomeLossDefinedBenefitPlanLossGainDuetoSettlementorCurtailmentafterReclassificationAdjustmentbeforeTax	-5600000	USD
CY2019	amcr	Other Comprehensive Income Loss Defined Benefit Plan Loss Gain Dueto Settlementor Curtailmentafter Reclassification Adjustmentbefore Tax OtherComprehensiveIncomeLossDefinedBenefitPlanLossGainDuetoSettlementorCurtailmentafterReclassificationAdjustmentbeforeTax	-2200000	USD
CY2018	amcr	Other Comprehensive Income Loss Defined Benefit Plan Loss Gain Dueto Settlementor Curtailmentafter Reclassification Adjustmentbefore Tax OtherComprehensiveIncomeLossDefinedBenefitPlanLossGainDuetoSettlementorCurtailmentafterReclassificationAdjustmentbeforeTax	700000	USD
CY2020	amcr	Other Comprehensive Income Loss Defined Benefit Plan Amortizationof Prior Service Costafter Reclassification Adjustmentbefore Tax OtherComprehensiveIncomeLossDefinedBenefitPlanAmortizationofPriorServiceCostafterReclassificationAdjustmentbeforeTax	-1600000	USD
CY2019	amcr	Other Comprehensive Income Loss Defined Benefit Plan Amortizationof Prior Service Costafter Reclassification Adjustmentbefore Tax OtherComprehensiveIncomeLossDefinedBenefitPlanAmortizationofPriorServiceCostafterReclassificationAdjustmentbeforeTax	-1700000	USD
CY2018	amcr	Other Comprehensive Income Loss Defined Benefit Plan Amortizationof Prior Service Costafter Reclassification Adjustmentbefore Tax OtherComprehensiveIncomeLossDefinedBenefitPlanAmortizationofPriorServiceCostafterReclassificationAdjustmentbeforeTax	-2200000	USD
CY2020	amcr	Other Comprehensive Income Loss Defined Benefit Plan Foreign Currency Translationafter Reclassification Adjustmentbefore Tax OtherComprehensiveIncomeLossDefinedBenefitPlanForeignCurrencyTranslationafterReclassificationAdjustmentbeforeTax	2900000	USD
CY2019	amcr	Other Comprehensive Income Loss Defined Benefit Plan Foreign Currency Translationafter Reclassification Adjustmentbefore Tax OtherComprehensiveIncomeLossDefinedBenefitPlanForeignCurrencyTranslationafterReclassificationAdjustmentbeforeTax	3300000	USD
CY2018	amcr	Other Comprehensive Income Loss Defined Benefit Plan Foreign Currency Translationafter Reclassification Adjustmentbefore Tax OtherComprehensiveIncomeLossDefinedBenefitPlanForeignCurrencyTranslationafterReclassificationAdjustmentbeforeTax	-900000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	11800000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	13300000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-6900000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	16400000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	59000000.0	USD
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-27600000	USD
CY2020Q2	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Prior Service Cost Credit After Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditAfterTax	-5800000	USD
CY2019Q2	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Prior Service Cost Credit After Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditAfterTax	-7000000.0	USD
CY2018Q2	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Prior Service Cost Credit After Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditAfterTax	-19800000	USD
CY2020Q2	amcr	Accumulated Other Comprehensive Income Loss Defined Benefit Plan Net Actuarial Gainor Lossafter Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPlanNetActuarialGainorLossafterTax	-236900000	USD
CY2019Q2	amcr	Accumulated Other Comprehensive Income Loss Defined Benefit Plan Net Actuarial Gainor Lossafter Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPlanNetActuarialGainorLossafterTax	-209900000	USD
CY2018Q2	amcr	Accumulated Other Comprehensive Income Loss Defined Benefit Plan Net Actuarial Gainor Lossafter Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPlanNetActuarialGainorLossafterTax	-150300000	USD
CY2020Q2	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax	231100000	USD
CY2019Q2	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax	202900000	USD
CY2018Q2	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax	130500000	USD
CY2020Q2	amcr	Net Actuarial Loss Amortized From Accumulated Other Comprehensive Income Loss Over Next12 Months NetActuarialLossAmortizedFromAccumulatedOtherComprehensiveIncomeLossOverNext12Months	-8000000.0	USD
CY2020Q2	amcr	Net Prior Service Credit Amortized From Accumulated Other Comprehensive Income Loss Over Next12 Months NetPriorServiceCreditAmortizedFromAccumulatedOtherComprehensiveIncomeLossOverNext12Months	1700000	USD
CY2020Q2	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.020
CY2019Q2	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.025
CY2018Q2	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.023
CY2020Q2	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Rate Of Compensation Increase DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease	0.019
CY2019Q2	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Rate Of Compensation Increase DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease	0.021
CY2018Q2	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Rate Of Compensation Increase DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease	0.019
CY2020	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	0.025
CY2019	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	0.023
CY2018	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	0.021
CY2020	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Rate Of Compensation Increase DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease	0.021
CY2019	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Rate Of Compensation Increase DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease	0.019
CY2018	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Rate Of Compensation Increase DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease	0.018
CY2020	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Expected Long Term Return On Assets DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets	0.045
CY2019	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Expected Long Term Return On Assets DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets	0.036
CY2018	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Expected Long Term Return On Assets DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets	0.041
CY2020Q2	us-gaap	Defined Benefit Plan Expected Future Employer Contributions Next Fiscal Year DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear	24200000	USD
CY2020Q2	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Next Twelve Months DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths	90700000	USD
CY2020Q2	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Two DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo	88700000	USD
CY2020Q2	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Three DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree	89700000	USD
CY2020Q2	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Four DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour	92000000.0	USD
CY2020Q2	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Five DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive	91400000	USD
CY2020Q2	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Five Fiscal Years Thereafter DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter	477000000.0	USD
CY2020Q2	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	1691100000	USD
CY2019Q2	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	1631000000.0	USD
CY2020Q2	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	27000000.0	USD
CY2019Q2	us-gaap	Debt Instrument Unamortized Discount Premium And Debt Issuance Costs Net DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet	25600000	USD
CY2020Q2	us-gaap	Long Term Debt And Capital Lease Obligations Including Current Maturities LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities	6039500000	USD
CY2019Q2	us-gaap	Long Term Debt And Capital Lease Obligations Including Current Maturities LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities	5314400000	USD
CY2020Q2	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	11100000	USD
CY2019Q2	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	5400000	USD
CY2020Q2	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	6028400000	USD
CY2019Q2	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	5309000000.0	USD
CY2020Q2	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	409600000	USD
CY2020Q2	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	1424700000	USD
CY2020Q2	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	389900000	USD
CY2020Q2	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	1292100000	USD
CY2020Q2	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	0	USD
CY2020Q2	us-gaap	Long Term Debt And Capital Lease Obligations Maturities Repayments Of Principal After Year Five LongTermDebtAndCapitalLeaseObligationsMaturitiesRepaymentsOfPrincipalAfterYearFive	2485700000	USD
CY2020Q2	us-gaap	Line Of Credit Facility Fair Value Of Amount Outstanding LineOfCreditFacilityFairValueOfAmountOutstanding	2387600000	USD
CY2020Q2	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	1773400000	USD
CY2019Q2	us-gaap	Line Of Credit Facility Fair Value Of Amount Outstanding LineOfCreditFacilityFairValueOfAmountOutstanding	2619200000	USD
CY2019Q2	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	2726200000	USD
CY2020	amcr	New Funding Arrangement Credit Facility NewFundingArrangementCreditFacility	4200000000	USD
CY2020Q2	amcr	Line Of Credit Facility Number Of Extension Options LineOfCreditFacilityNumberOfExtensionOptions	2	numberOfExtensions
CY2020	amcr	Line Of Credit Facility Extension Period LineOfCreditFacilityExtensionPeriod	P12M
CY2019Q2	amcr	Consent Percentage Receivedfrom Note Holders ConsentPercentageReceivedfromNoteHolders	0.917
CY2019Q2	amcr	Debt Instrument Redemption Number Of Notes Exchanged DebtInstrumentRedemptionNumberOfNotesExchanged	5	numberOfNotes
CY2020Q2	amcr	Percent Of Note Holders Exchanged Under A Form S1 Statement PercentOfNoteHoldersExchangedUnderAFormS1Statement	0.999
CY2020Q2	us-gaap	Short Term Borrowings ShortTermBorrowings	195200000	USD
CY2019Q2	us-gaap	Short Term Borrowings ShortTermBorrowings	788800000	USD
CY2020Q2	us-gaap	Short Term Debt Weighted Average Interest Rate ShortTermDebtWeightedAverageInterestRate	0.0297
CY2019Q2	us-gaap	Short Term Debt Weighted Average Interest Rate ShortTermDebtWeightedAverageInterestRate	0.0161
CY2020	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	1800000	USD
CY2020	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	800000	USD
CY2020	us-gaap	Lease Cost LeaseCost	114700000	USD
CY2020Q2	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	525300000	USD
CY2020Q2	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	31200000	USD
CY2020Q2	amcr	Lease Assets Total LeaseAssetsTotal	556500000	USD
CY2020Q2	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	84000000.0	USD
CY2020Q2	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	465700000	USD
CY2020Q2	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	1600000	USD
CY2020Q2	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	31600000	USD
CY2020Q2	amcr	Lease Liabilities Total LeaseLiabilitiesTotal	582900000	USD
CY2020Q2	us-gaap	Finance Lease Right Of Use Asset Accumulated Amortization FinanceLeaseRightOfUseAssetAccumulatedAmortization	5800000	USD
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	107900000	USD
CY2020	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	700000	USD
CY2020	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	1600000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	63200000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	31300000	USD
CY2020Q2	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	99700000	USD
CY2020Q2	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	2900000	USD
CY2020Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	89000000.0	USD
CY2020Q2	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	2800000	USD
CY2020Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	77300000	USD
CY2020Q2	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	2600000	USD
CY2020Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	66700000	USD
CY2020Q2	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	2600000	USD
CY2020Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	49400000	USD
CY2020Q2	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	2200000	USD
CY2020Q2	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	280100000	USD
CY2020Q2	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	32600000	USD
CY2020Q2	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	662200000	USD
CY2020Q2	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	45700000	USD
CY2020Q2	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	112500000	USD
CY2020Q2	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	12500000	USD
CY2020Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	549700000	USD
CY2020Q2	us-gaap	Finance Lease Liability FinanceLeaseLiability	33200000	USD
CY2019Q2	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	97600000	USD
CY2019Q2	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	90400000	USD
CY2019Q2	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	77700000	USD
CY2019Q2	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	67300000	USD
CY2019Q2	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	55900000	USD
CY2019Q2	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	301800000	USD
CY2019Q2	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	690700000	USD
CY2020Q2	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P9Y7M6D
CY2020Q2	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P18Y2M12D
CY2020Q2	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.038
CY2020Q2	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.039
CY2019	us-gaap	Forward Contract Indexed To Issuers Equity Forward Rate ForwardContractIndexedToIssuersEquityForwardRate	11.00
CY2020Q2	us-gaap	Forward Contract Indexed To Issuers Equity Indexed Shares ForwardContractIndexedToIssuersEquityIndexedShares	2000000.0	shares
CY2020	us-gaap	Forward Contract Indexed To Issuers Equity Forward Rate ForwardContractIndexedToIssuersEquityForwardRate	10.68
CY2019Q2	us-gaap	Forward Contract Indexed To Issuers Equity Indexed Shares ForwardContractIndexedToIssuersEquityIndexedShares	1000000.0	shares
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	825200000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	604100000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	722900000	USD
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	300600000	USD
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	98700000	USD
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	192300000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-113700000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	72800000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-73500000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	186900000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	171500000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	118800000	USD
CY2020	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	152700000	USD
CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	114800000	USD
CY2018	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	216900000	USD
CY2020	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	70200000	USD
CY2019	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	59500000	USD
CY2018	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-40800000	USD
CY2020	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	0	USD
CY2019	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	0	USD
CY2018	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	-5700000	USD
CY2020	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	13200000	USD
CY2019	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	5600000	USD
CY2018	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	-7700000	USD
CY2020	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	-30500000	USD
CY2019	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	-2300000	USD
CY2018	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	-52900000	USD
CY2020	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-16500000	USD
CY2019	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-5900000	USD
CY2018	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	5300000	USD
CY2020	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-2200000	USD
CY2019	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-200000	USD
CY2018	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-7700000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	186900000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	171500000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	118800000	USD
CY2020Q2	amcr	Number Of Tax Jurisdictions In Which Entity Operates NumberOfTaxJurisdictionsInWhichEntityOperates	40	numberOfTaxJurisdictions
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.226
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.284
CY2018	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.164
CY2020Q2	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	23300000	USD
CY2019Q2	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	6300000	USD
CY2020Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	126300000	USD
CY2019Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	103100000	USD
CY2020Q2	amcr	Deferred Tax Assets Provisions DeferredTaxAssetsProvisions	5100000	USD
CY2019Q2	amcr	Deferred Tax Assets Provisions DeferredTaxAssetsProvisions	14100000	USD
CY2020Q2	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	252800000	USD
CY2019Q2	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	275000000.0	USD
CY2020Q2	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	65900000	USD
CY2020Q2	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	49000000.0	USD
CY2019Q2	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	49900000	USD
CY2019Q2	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	122700000	USD
CY2020Q2	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	522400000	USD
CY2019Q2	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	571100000	USD
CY2020Q2	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	363800000	USD
CY2019Q2	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	290900000	USD
CY2020Q2	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	158600000	USD
CY2019Q2	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	280200000	USD
CY2020Q2	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	306600000	USD
CY2019Q2	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	329200000	USD
CY2020Q2	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	349500000	USD
CY2019Q2	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	638500000	USD
CY2020Q2	amcr	Deferred Tax Liabilities Trade Receivables DeferredTaxLiabilitiesTradeReceivables	7200000	USD
CY2019Q2	amcr	Deferred Tax Liabilities Trade Receivables DeferredTaxLiabilitiesTradeReceivables	6700000	USD
CY2020Q2	us-gaap	Deferred Tax Liabilities Derivatives DeferredTaxLiabilitiesDerivatives	5400000	USD
CY2019Q2	us-gaap	Deferred Tax Liabilities Derivatives DeferredTaxLiabilitiesDerivatives	20400000	USD
CY2020Q2	us-gaap	Deferred Tax Liabilities Undistributed Foreign Earnings DeferredTaxLiabilitiesUndistributedForeignEarnings	26900000	USD
CY2019Q2	us-gaap	Deferred Tax Liabilities Undistributed Foreign Earnings DeferredTaxLiabilitiesUndistributedForeignEarnings	106200000	USD
CY2020Q2	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	695600000	USD
CY2019Q2	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	1101000000.0	USD
CY2020Q2	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	537000000.0	USD
CY2019Q2	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	820800000	USD
CY2020Q2	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	135400000	USD
CY2019Q2	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	190900000	USD
CY2020Q2	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	672400000	USD
CY2019Q2	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	1011700000	USD
CY2020Q2	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	537000000.0	USD
CY2019Q2	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	820800000	USD
CY2020	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	72900000	USD
CY2019	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	20400000	USD
CY2018	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	5300000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	7100000	USD
CY2020Q2	amcr	Deferred Taxes Not Provided For Dueto Indefinitely Reinvested Earnings DeferredTaxesNotProvidedForDuetoIndefinitelyReinvestedEarnings	968200000	USD
CY2020Q2	us-gaap	Deferred Tax Liability Not Recognized Amount Of Unrecognized Deferred Tax Liability Undistributed Earnings Of Foreign Subsidiaries DeferredTaxLiabilityNotRecognizedAmountOfUnrecognizedDeferredTaxLiabilityUndistributedEarningsOfForeignSubsidiaries	26900000	USD
CY2020Q2	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	101100000	USD
CY2019Q2	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	102600000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	13800000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	2900000	USD
CY2019Q2	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	102600000	USD
CY2018Q2	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	74500000	USD
CY2017Q2	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	65100000	USD
CY2020	amcr	Unrecognized Tax Benefit Additions Basedon Current Year Tax Position UnrecognizedTaxBenefitAdditionsBasedonCurrentYearTaxPosition	18700000	USD
CY2019	amcr	Unrecognized Tax Benefit Additions Basedon Current Year Tax Position UnrecognizedTaxBenefitAdditionsBasedonCurrentYearTaxPosition	12500000	USD
CY2018	amcr	Unrecognized Tax Benefit Additions Basedon Current Year Tax Position UnrecognizedTaxBenefitAdditionsBasedonCurrentYearTaxPosition	6600000	USD
CY2020	amcr	Unrecognized Tax Benefit Additions For Tax Positionsof Prior Years UnrecognizedTaxBenefitAdditionsForTaxPositionsofPriorYears	2300000	USD
CY2019	amcr	Unrecognized Tax Benefit Additions For Tax Positionsof Prior Years UnrecognizedTaxBenefitAdditionsForTaxPositionsofPriorYears	8200000	USD
CY2018	amcr	Unrecognized Tax Benefit Additions For Tax Positionsof Prior Years UnrecognizedTaxBenefitAdditionsForTaxPositionsofPriorYears	8900000	USD
CY2020	amcr	Unrecognized Tax Benefit Reductions For Tax Positionsof Prior Years UnrecognizedTaxBenefitReductionsForTaxPositionsofPriorYears	13200000	USD
CY2019	amcr	Unrecognized Tax Benefit Reductions For Tax Positionsof Prior Years UnrecognizedTaxBenefitReductionsForTaxPositionsofPriorYears	3700000	USD
CY2018	amcr	Unrecognized Tax Benefit Reductions For Tax Positionsof Prior Years UnrecognizedTaxBenefitReductionsForTaxPositionsofPriorYears	5300000	USD
CY2020	amcr	Unrecognized Tax Benefit Reduction For Settlements UnrecognizedTaxBenefitReductionForSettlements	7000000.0	USD
CY2019	amcr	Unrecognized Tax Benefit Reduction For Settlements UnrecognizedTaxBenefitReductionForSettlements	5800000	USD
CY2018	amcr	Unrecognized Tax Benefit Reduction For Settlements UnrecognizedTaxBenefitReductionForSettlements	0	USD
CY2020	amcr	Unrecognized Tax Benefit Reductions Dueto Lapseof Statuteof Limitations UnrecognizedTaxBenefitReductionsDuetoLapseofStatuteofLimitations	2300000	USD
CY2019	amcr	Unrecognized Tax Benefit Reductions Dueto Lapseof Statuteof Limitations UnrecognizedTaxBenefitReductionsDuetoLapseofStatuteofLimitations	12800000	USD
CY2018	amcr	Unrecognized Tax Benefit Reductions Dueto Lapseof Statuteof Limitations UnrecognizedTaxBenefitReductionsDuetoLapseofStatuteofLimitations	800000	USD
CY2020	amcr	Unrecognized Tax Benefit Additions Relatedto Acquisitions UnrecognizedTaxBenefitAdditionsRelatedtoAcquisitions	0	USD
CY2019	amcr	Unrecognized Tax Benefit Additions Relatedto Acquisitions UnrecognizedTaxBenefitAdditionsRelatedtoAcquisitions	29700000	USD
CY2018	amcr	Unrecognized Tax Benefit Additions Relatedto Acquisitions UnrecognizedTaxBenefitAdditionsRelatedtoAcquisitions	0	USD
CY2020Q2	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	101100000	USD
CY2019Q2	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	102600000	USD
CY2018Q2	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	74500000	USD
CY2020Q2	amcr	Effective Income Tax Rate Reconciliation Swiss Tax Reform Income Tax Expense Benefit EffectiveIncomeTaxRateReconciliationSwissTaxReformIncomeTaxExpenseBenefit	-21700000	USD
CY2019Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	10800000	shares
CY2019Q2	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Exercise Price Beginning Balance1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1	10.32
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P3Y7M6D
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	49600000	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	10.33
CY2020	amcr	Share Based Compensation Arrangement By Share Based Payment Award Options Granted Weighted Average Remaining Contractual Term ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantedWeightedAverageRemainingContractualTerm	P5Y8M12D
CY2020	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	200000	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	6.08
CY2020	amcr	Sharebased Compensation Arrangementby Sharebased Payment Award Options Exercised Weighted Average Remaining Contractual Term SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsExercisedWeightedAverageRemainingContractualTerm	P6Y10M24D
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Options Forfeited Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares	4200000	shares
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	10.63
CY2020	amcr	Sharebased Compensation Arrangementby Sharebased Payment Award Options Forfeited Weighted Average Remaining Contractual Term SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsForfeitedWeightedAverageRemainingContractualTerm	P6Y
CY2020Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	56000000.0	shares
CY2020Q2	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Exercise Price Beginning Balance1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1	10.32
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P5Y3M18D
CY2020Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber	2500000	shares
CY2020Q2	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Exercise Price1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1	8.78
CY2020	amcr	Sharebased Compensation Shares Authorizedunder Stock Option Plans Weighted Average Remaining Contractual Term Exercisable Options Weighted Average Exercise Price SharebasedCompensationSharesAuthorizedunderStockOptionPlansWeightedAverageRemainingContractualTermExercisableOptionsWeightedAverageExercisePrice	P1Y7M6D
CY2020Q2	amcr	Aggregate Intrinsic Valueof Share Options AggregateIntrinsicValueofShareOptions	0	USD
CY2020Q2	amcr	Aggregate Intrinsic Valueof Share Options Vestedand Exercised AggregateIntrinsicValueofShareOptionsVestedandExercised	3600000	USD
CY2020	amcr	Receivedfrom Exercised Share Options ReceivedfromExercisedShareOptions	1100000	USD
CY2019	amcr	Receivedfrom Exercised Share Options ReceivedfromExercisedShareOptions	19300000	USD
CY2018	amcr	Receivedfrom Exercised Share Options ReceivedfromExercisedShareOptions	28100000	USD
CY2020	amcr	Net Realized Tax Benefitof Exercised Share Options NetRealizedTaxBenefitofExercisedShareOptions	200000	USD
CY2019	amcr	Net Realized Tax Benefitof Exercised Share Options NetRealizedTaxBenefitofExercisedShareOptions	5500000	USD
CY2018	amcr	Net Realized Tax Benefitof Exercised Share Options NetRealizedTaxBenefitofExercisedShareOptions	12300000	USD
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	700000	USD
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	8300000	USD
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	20600000	USD
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue	0.7
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue	1.1
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Compensation Cost1 SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1	34000000.0	USD
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Compensation Cost1 SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1	18600000	USD
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Compensation Cost1 SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1	21000000.0	USD
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Compensation Cost1 SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1	34000000.0	USD
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Compensation Cost1 SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1	18600000	USD
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Compensation Cost1 SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1	21000000.0	USD
CY2020Q2	amcr	Unrecognized Share Based Compensation Expense UnrecognizedShareBasedCompensationExpense	73400000	USD
CY2020	amcr	Unrecognized Share Based Compensation Expense Recognition Period UnrecognizedShareBasedCompensationExpenseRecognitionPeriod	P2Y1M6D
CY2020	us-gaap	Net Income Loss NetIncomeLoss	612200000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	430200000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	575200000	USD
CY2020	amcr	Distributedand Undistributed Earnings Attributableto Sharestobe Repurchased DistributedandUndistributedEarningsAttributabletoSharestobeRepurchased	400000	USD
CY2019	amcr	Distributedand Undistributed Earnings Attributableto Sharestobe Repurchased DistributedandUndistributedEarningsAttributabletoSharestobeRepurchased	800000	USD
CY2018	amcr	Distributedand Undistributed Earnings Attributableto Sharestobe Repurchased DistributedandUndistributedEarningsAttributabletoSharestobeRepurchased	1300000	USD
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	611800000	USD
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	429400000	USD
CY2018	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	573900000	USD
CY2020	us-gaap	Net Income Loss From Continuing Operations Available To Common Shareholders Basic NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic	619500000	USD
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.494
CY2019	us-gaap	Net Income Loss From Continuing Operations Available To Common Shareholders Basic NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic	428700000	USD
CY2018	us-gaap	Net Income Loss From Continuing Operations Available To Common Shareholders Basic NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic	573900000	USD
CY2020	us-gaap	Net Income Loss From Discontinued Operations Available To Common Shareholders Basic NetIncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersBasic	-7700000	USD
CY2019	us-gaap	Net Income Loss From Discontinued Operations Available To Common Shareholders Basic NetIncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersBasic	700000	USD
CY2018	us-gaap	Net Income Loss From Discontinued Operations Available To Common Shareholders Basic NetIncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersBasic	0	USD
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	1601000000.0	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	1182600000	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	1157100000	shares
CY2020	us-gaap	Weighted Average Number Of Shares Common Stock Subject To Repurchase Or Cancellation WeightedAverageNumberOfSharesCommonStockSubjectToRepurchaseOrCancellation	1000000.0	shares
CY2019	us-gaap	Weighted Average Number Of Shares Common Stock Subject To Repurchase Or Cancellation WeightedAverageNumberOfSharesCommonStockSubjectToRepurchaseOrCancellation	2300000	shares
CY2018	us-gaap	Weighted Average Number Of Shares Common Stock Subject To Repurchase Or Cancellation WeightedAverageNumberOfSharesCommonStockSubjectToRepurchaseOrCancellation	2700000	shares
CY2020	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1600000	shares
CY2019	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	3500000	shares
CY2018	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	7300000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	1601600000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	1183800000	shares
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.363
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	1161700000	shares
CY2020	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.387
CY2019	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.363
CY2018	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.497
CY2020	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	-0.005
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.001
CY2018	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.382
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.364
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.497
CY2020	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.387
CY2019	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.362
CY2018	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.494
CY2020	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-0.005
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.001
CY2018	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.382
CY2020	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	36900000	shares
CY2019	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	5600000	shares
CY2018	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	10300000	shares
CY2020Q2	us-gaap	Loss Contingency Accrual At Carrying Value LossContingencyAccrualAtCarryingValue	11900000	USD
CY2019Q2	us-gaap	Loss Contingency Accrual At Carrying Value LossContingencyAccrualAtCarryingValue	16400000	USD
CY2020Q2	us-gaap	Loss Contingency Estimate Of Possible Loss LossContingencyEstimateOfPossibleLoss	18400000	USD
CY2019Q2	us-gaap	Loss Contingency Estimate Of Possible Loss LossContingencyEstimateOfPossibleLoss	23700000	USD
CY2020Q2	amcr	Loss Contingency Lettersof Credit LossContingencyLettersofCredit	34000000.0	USD
CY2020Q2	amcr	Loss Contingency Judicial Insurance LossContingencyJudicialInsurance	900000	USD
CY2020Q2	amcr	Loss Contingency Cash Deposited LossContingencyCashDeposited	10100000	USD
CY2020Q2	us-gaap	Accrual For Environmental Loss Contingencies Component Amount AccrualForEnvironmentalLossContingenciesComponentAmount	46600000	USD
CY2020	amcr	Numberof Shareholders In Lawsuit Notification NumberofShareholdersInLawsuitNotification	2	numberOfShareholderFunds
CY2020Q2	amcr	Numberof Lawsuitsin U.S.District Courtfor Southern Districtof New York NumberofLawsuitsinU.S.DistrictCourtforSouthernDistrictofNewYork	2	lawsuit
CY2020Q2	amcr	Number Of Consolidated Lawsuits In Us District Court For Southern District Of New York NumberOfConsolidatedLawsuitsInUSDistrictCourtForSouthernDistrictOfNewYork	2	lawsuit
CY2020	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	numberOfSegments
CY2020	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	5	numberOfSegments
CY2020	us-gaap	Interest Expense InterestExpense	206900000	USD
CY2019	us-gaap	Interest Expense InterestExpense	207900000	USD
CY2020	amcr	Amortizationof Acquired Intangible Assetsin Business Combinations AmortizationofAcquiredIntangibleAssetsinBusinessCombinations	191100000	USD
CY2019	amcr	Amortizationof Acquired Intangible Assetsin Business Combinations AmortizationofAcquiredIntangibleAssetsinBusinessCombinations	31100000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	12467500000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	9458200000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	9319100000	USD
CY2020	amcr	Adjusted Ebit From Continuing Operations AdjustedEBITFromContinuingOperations	1497100000	USD
CY2019	amcr	Adjusted Ebit From Continuing Operations AdjustedEBITFromContinuingOperations	1075400000	USD
CY2018	amcr	Adjusted Ebit From Continuing Operations AdjustedEBITFromContinuingOperations	1056400000	USD
CY2020	amcr	Material Restructuring Programs MaterialRestructuringPrograms	105700000	USD
CY2019	amcr	Material Restructuring Programs MaterialRestructuringPrograms	64100000	USD
CY2018	amcr	Material Restructuring Programs MaterialRestructuringPrograms	14400000	USD
CY2020	us-gaap	Equity Method Investment Other Than Temporary Impairment EquityMethodInvestmentOtherThanTemporaryImpairment	25600000	USD
CY2019	us-gaap	Equity Method Investment Other Than Temporary Impairment EquityMethodInvestmentOtherThanTemporaryImpairment	14000000.0	USD
CY2018	us-gaap	Equity Method Investment Other Than Temporary Impairment EquityMethodInvestmentOtherThanTemporaryImpairment	36500000	USD
CY2020	amcr	Material Acquisition Costs MaterialAcquisitionCosts	145600000	USD
CY2019	amcr	Material Acquisition Costs MaterialAcquisitionCosts	143100000	USD
CY2018	amcr	Material Acquisition Costs MaterialAcquisitionCosts	0	USD
CY2018	amcr	Amortizationof Acquired Intangible Assetsin Business Combinations AmortizationofAcquiredIntangibleAssetsinBusinessCombinations	19300000	USD
CY2020	amcr	Economic Net Investment Hedging Activities Not Qualifying For Hedge Accounting EconomicNetInvestmentHedgingActivitiesNotQualifyingForHedgeAccounting	0	USD
CY2019	amcr	Economic Net Investment Hedging Activities Not Qualifying For Hedge Accounting EconomicNetInvestmentHedgingActivitiesNotQualifyingForHedgeAccounting	-1400000	USD
CY2018	amcr	Ebit From Continuing Operations EBITFromContinuingOperations	902300000	USD
CY2020	us-gaap	Investment Income Interest InvestmentIncomeInterest	22200000	USD
CY2018	amcr	Economic Net Investment Hedging Activities Not Qualifying For Hedge Accounting EconomicNetInvestmentHedgingActivitiesNotQualifyingForHedgeAccounting	83900000	USD
CY2020	amcr	Impactof Hyperinflation ImpactofHyperinflation	27700000	USD
CY2019	amcr	Impactof Hyperinflation ImpactofHyperinflation	30200000	USD
CY2018	amcr	Impactof Hyperinflation ImpactofHyperinflation	0	USD
CY2020	amcr	Net Legal Settlements NetLegalSettlements	0	USD
CY2019	amcr	Net Legal Settlements NetLegalSettlements	5000000.0	USD
CY2018	amcr	Net Legal Settlements NetLegalSettlements	0	USD
CY2020	amcr	Material Impactof Pension Settlements MaterialImpactofPensionSettlements	5500000	USD
CY2019	amcr	Material Impactof Pension Settlements MaterialImpactofPensionSettlements	0	USD
CY2018	amcr	Material Impactof Pension Settlements MaterialImpactofPensionSettlements	0	USD
CY2020	amcr	Ebit From Continuing Operations EBITFromContinuingOperations	995900000	USD
CY2019	amcr	Ebit From Continuing Operations EBITFromContinuingOperations	799300000	USD
CY2019	us-gaap	Investment Income Interest InvestmentIncomeInterest	16800000	USD
CY2018	us-gaap	Investment Income Interest InvestmentIncomeInterest	13100000	USD
CY2018	us-gaap	Interest Expense InterestExpense	210000000.0	USD
CY2020	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-14000000.0	USD
CY2019	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	4100000	USD
CY2018	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-17500000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	825200000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	604100000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	722900000	USD
CY2020	amcr	Capital Expenditures For The Acquisitionof Longlived Assets CapitalExpendituresForTheAcquisitionofLonglivedAssets	399500000	USD
CY2019	amcr	Capital Expenditures For The Acquisitionof Longlived Assets CapitalExpendituresForTheAcquisitionofLonglivedAssets	332200000	USD
CY2018	amcr	Capital Expenditures For The Acquisitionof Longlived Assets CapitalExpendituresForTheAcquisitionofLonglivedAssets	365000000.0	USD
CY2020	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	607200000	USD
CY2019	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	349700000	USD
CY2018	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	352700000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	12467500000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	9458200000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	9319100000	USD
CY2020Q2	us-gaap	Noncurrent Assets NoncurrentAssets	3614800000	USD
CY2019Q2	us-gaap	Noncurrent Assets NoncurrentAssets	3975000000.0	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	12467500000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	9458200000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	9319100000	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	212300000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	219800000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	209400000	USD
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	304400000	USD
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	147700000	USD
CY2018	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	149700000	USD
CY2020	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	78000000.0	USD
CY2019	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	75000000.0	USD
CY2018	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	68400000	USD
CY2019	us-gaap	Noncash Or Part Noncash Acquisition Value Of Assets Acquired1 NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1	5229600000	USD
CY2019Q3	us-gaap	Revenues Revenues	3140700000	USD
CY2019Q4	us-gaap	Revenues Revenues	3043100000	USD
CY2020Q1	us-gaap	Revenues Revenues	3141000000.0	USD
CY2020Q2	us-gaap	Revenues Revenues	3142700000	USD
CY2020	us-gaap	Revenues Revenues	12467500000	USD
CY2019Q3	us-gaap	Gross Profit GrossProfit	546700000	USD
CY2019Q4	us-gaap	Gross Profit GrossProfit	617300000	USD
CY2020Q1	us-gaap	Gross Profit GrossProfit	652000000.0	USD
CY2020Q2	us-gaap	Gross Profit GrossProfit	719500000	USD
CY2020	us-gaap	Gross Profit GrossProfit	2535500000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	66000000.0	USD
CY2019Q4	us-gaap	Net Income Loss NetIncomeLoss	185600000	USD
CY2020Q1	us-gaap	Net Income Loss NetIncomeLoss	181500000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	179100000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	612200000	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.045
CY2019Q4	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.115
CY2020Q1	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.114
CY2020Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.113
CY2020	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.387
CY2019Q3	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Basic Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare	-0.005
CY2019Q4	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Basic Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare	0
CY2020Q1	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Basic Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare	0
CY2020Q2	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Basic Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare	0
CY2020	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Basic Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare	-0.005
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.041
CY2019Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.115
CY2020Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.114
CY2020Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.113
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.382
CY2019Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.045
CY2019Q4	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.115
CY2020Q1	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.114
CY2020Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.113
CY2020	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.387
CY2019Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-0.005
CY2019Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2020Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2020Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2020	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-0.005
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.041
CY2019Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.115
CY2020Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.114
CY2020Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.113
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.382
CY2018Q3	us-gaap	Revenues Revenues	2262400000	USD
CY2018Q4	us-gaap	Revenues Revenues	2285400000	USD
CY2019Q1	us-gaap	Revenues Revenues	2309900000	USD
CY2019Q2	us-gaap	Revenues Revenues	2600500000	USD
CY2019	us-gaap	Revenues Revenues	9458200000	USD
CY2018Q3	us-gaap	Gross Profit GrossProfit	393800000	USD
CY2018Q4	us-gaap	Gross Profit GrossProfit	453000000.0	USD
CY2019Q1	us-gaap	Gross Profit GrossProfit	419800000	USD
CY2019Q2	us-gaap	Gross Profit GrossProfit	532500000	USD
CY2019	us-gaap	Gross Profit GrossProfit	1799100000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	98400000	USD
CY2018Q4	us-gaap	Net Income Loss NetIncomeLoss	138600000	USD
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	112600000	USD
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	80600000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	430200000	USD
CY2018Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.085
CY2018Q4	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.120
CY2019Q1	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.097
CY2019Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.061
CY2019	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.363
CY2018Q3	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Basic Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare	0
CY2018Q4	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Basic Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare	0
CY2019Q1	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Basic Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare	0
CY2019Q2	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Basic Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare	0.001
CY2019	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Basic Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare	0.001
CY2018Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.085
CY2018Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.120
CY2019Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.097
CY2019Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.062
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.364
CY2018Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.085
CY2018Q4	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.120
CY2019Q1	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.097
CY2019Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.060
CY2019	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.362
CY2018Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2018Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2019Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2019Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.001
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.363
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.001
CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.085
CY2018Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.120
CY2019Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.097
CY2019Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.061

Files In Submission

Name	View Source	Status
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0001748790-20-000025-index.html	Edgar Link	pending
0001748790-20-000025.txt	Edgar Link	pending
0001748790-20-000025-xbrl.zip	Edgar Link	pending
amcr-20200630.htm	Edgar Link	pending
amcr-20200630.xsd	Edgar Link	pending
amcr-20200630_cal.xml	Edgar Link	unprocessable
amcr-20200630_def.xml	Edgar Link	unprocessable
amcr-20200630_g1.jpg	Edgar Link	pending
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amcr-20200630_htm.xml	Edgar Link	completed
amcr-20200630_lab.xml	Edgar Link	unprocessable
amcr-20200630_pre.xml	Edgar Link	unprocessable
exhibit108amcorrigid2013.htm	Edgar Link	pending
exhibit108amcorrigid2013001.jpg	Edgar Link	pending
exhibit108amcorrigid2013002.jpg	Edgar Link	pending
exhibit108amcorrigid2013003.jpg	Edgar Link	pending
exhibit108amcorrigid2013004.jpg	Edgar Link	pending
exhibit108amcorrigid2013005.jpg	Edgar Link	pending
exhibit108amcorrigid2013006.jpg	Edgar Link	pending
exhibit108amcorrigid2013007.jpg	Edgar Link	pending
exhibit108amcorrigid2013008.jpg	Edgar Link	pending
exhibit108amcorrigid2013009.jpg	Edgar Link	pending
exhibit108amcorrigid2013010.jpg	Edgar Link	pending
exhibit108amcorrigid2013011.jpg	Edgar Link	pending
exhibit108amcorrigid2013012.jpg	Edgar Link	pending
exhibit108amcorrigid2013013.jpg	Edgar Link	pending
exhibit108amcorrigid2013014.jpg	Edgar Link	pending
exhibit108amcorrigid2013015.jpg	Edgar Link	pending
exhibit108amcorrigid2013016.jpg	Edgar Link	pending
exhibit108amcorrigid2013017.jpg	Edgar Link	pending
exhibit108amcorrigid2013018.jpg	Edgar Link	pending
exhibit108amcorrigid2013019.jpg	Edgar Link	pending
exhibit108amcorrigid2013020.jpg	Edgar Link	pending
exhibit108amcorrigid2013021.jpg	Edgar Link	pending
exhibit108amcorrigid2013022.jpg	Edgar Link	pending
exhibit108amcorrigid2013023.jpg	Edgar Link	pending
exhibit108amcorrigid2013024.jpg	Edgar Link	pending
exhibit108amcorrigid2013025.jpg	Edgar Link	pending
exhibit108amcorrigid2013026.jpg	Edgar Link	pending
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$AMCR
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2020 Q2 Form 10-K Financial Statement

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$AMCR Amcor plc Stock $amcr

2020 Q2 Form 10-K Financial Statement

#000174879020000025 Filed on August 27, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AMCR
Amcor plc Stock $amcr