v3.26.1
Cover
May 06, 2026
Cover [Abstract]  
Document Type 8-K
Document Period End Date May 06, 2026
Entity Registrant Name AMCOR PLC
Entity Incorporation, State or Country Code Y9
Entity File Number 001-38932
Entity Tax Identification Number 98-1455367
Entity Address, Address Line One 83 Tower Road North
Entity Address, City or Town Warmley, Bristol
Entity Address, Country GB
Entity Address, Postal Zip Code BS30 8XP
Country Region 44
City Area Code 117
Local Phone Number 9753200
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Listings [Line Items]  
Entity Emerging Growth Company false
Entity Central Index Key 0001748790
Amendment Flag false
Ordinary Shares, par value $0.05 per share  
Entity Listings [Line Items]  
Title of 12(b) Security Ordinary Shares, par value $0.05 per share
Trading Symbol AMCR
Security Exchange Name NYSE
3.950% Guaranteed Senior Notes Due 2032  
Entity Listings [Line Items]  
Title of 12(b) Security 1.125% Guaranteed Senior Notes Due 2027
Trading Symbol AUKF/27
Security Exchange Name NYSE
Five Point Four Five Zero Percent Guaranteed Senior Notes Due 2029 [Member]  
Entity Listings [Line Items]  
Title of 12(b) Security 5.450% Guaranteed Senior Notes Due 2029
Trading Symbol AMCR/29
Security Exchange Name NYSE
Three Point Nine Five Zero Percent Guaranteed Senior Notes Due 2032 [Member]  
Entity Listings [Line Items]  
Title of 12(b) Security 3.950% Guaranteed Senior Notes Due 2032
Trading Symbol AMCR/32
Security Exchange Name NYSE
Three Point Two Zero Percent Guaranteed Senior Notes Due 2029  
Entity Listings [Line Items]  
Title of 12(b) Security 3.200% Guaranteed Senior Notes Due 2029
Trading Symbol AUKF/29
Security Exchange Name NYSE
Three Point Seven Five Zero Percent Guaranteed Senior Notes Due 2033  
Entity Listings [Line Items]  
Title of 12(b) Security 3.750% Guaranteed Senior Notes Due 2033
Trading Symbol AUKF/33
Security Exchange Name NYSE