Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2021	Oct. 31, 2021
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2021
Document Transition Report	false
Current Fiscal Year End Date	--12-31
Entity Registrant Name	BALL Corp
Entity File Number	001-07349
Entity Incorporation, State or Country Code	IN
Entity Tax Identification Number	35-0160610
Entity Address, Address Line One	9200 West 108th Circle
Entity Address, City or Town	Westminster
Entity Address, State or Province	CO
Entity Address, Postal Zip Code	80021
City Area Code	303
Local Phone Number	469-3131
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		323,894,182
Title of 12(b) Security	Common Stock, without par value
Trading Symbol	BLL
Security Exchange Name	NYSE
Entity Central Index Key	0000009389
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q3
Amendment Flag	false