Document and Entity Information - USD ($) $ in Billions	12 Months Ended
	Dec. 31, 2019	Feb. 17, 2020	Jun. 30, 2019
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2019
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	10 Longs Peak Drive, P.O. Box 5000
Entity Address, City or Town	Broomfield
Entity Address, State or Province	CO
Entity Address, Postal Zip Code	80021-2510
City Area Code	303
Local Phone Number	469-3131
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
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 Public Float			$ 23.2
Entity Common Stock, Shares Outstanding		325,773,210
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	2019
Document Fiscal Period Focus	FY
Amendment Flag	false