Subsidiary Guarantees of Debt - Condensed Consolidating Statement of Earnings (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Subsidiary Guarantees of Debt
Ownership interest in guarantor subsidiaries (as a percent)									100.00%
Net sales	$ 2,719.0	$ 2,953.0	$ 3,017.0	$ 2,785.0	$ 2,803.0	$ 2,946.0	$ 3,101.0	$ 2,785.0	$ 11,474.0	$ 11,635.0	$ 10,983.0
Costs and expenses
Cost of sales (excluding depreciation and amortization)									(9,203.0)	(9,329.0)	(8,717.0)
Depreciation and amortization									(678.0)	(702.0)	(729.0)
Selling, general and administrative									(417.0)	(478.0)	(514.0)
Business consolidation and other activities									(244.0)	(191.0)	(221.0)
Total costs and expenses									(10,542.0)	(10,700.0)	(10,181.0)
Earnings before interest and taxes									932.0	935.0	802.0
Interest expense									(317.0)	(301.0)	(285.0)
Debt refinancing and other costs									(7.0)	(1.0)	(3.0)
Total interest expense									(324.0)	(302.0)	(288.0)
Earnings (loss) before taxes	123.0	119.0	226.0	140.0	123.0	192.0	166.0	152.0	608.0	633.0	514.0
Tax (provision) benefit									(71.0)	(185.0)	(165.0)
Equity in results of affiliates, net of tax									(1.0)	5.0	31.0
Net earnings									536.0	453.0	380.0
Net (earnings) loss attributable to noncontrolling interests									30.0	1.0	(6.0)
Net earnings attributable to Ball Corporation	$ 160.0	$ 92.0	$ 197.0	$ 117.0	$ 151.0	$ 59.0	$ 119.0	$ 125.0	566.0	454.0	374.0
Comprehensive earnings (loss) attributable to Ball Corporation									570.0	275.0	659.0
Eliminating Adjustments
Subsidiary Guarantees of Debt
Net sales									(799.0)	(797.0)	(223.0)
Costs and expenses
Cost of sales (excluding depreciation and amortization)									799.0	797.0	223.0
Equity in results of subsidiaries									(852.0)	(840.0)	(774.0)
Total costs and expenses									(53.0)	(43.0)	(551.0)
Earnings before interest and taxes									(852.0)	(840.0)	(774.0)
Earnings (loss) before taxes									(852.0)	(840.0)	(774.0)
Net earnings									(852.0)	(840.0)	(774.0)
Net earnings attributable to Ball Corporation									(852.0)	(840.0)	(774.0)
Comprehensive earnings (loss) attributable to Ball Corporation									(953.0)	(649.0)	(1,309.0)
Ball Corporation | Reportable Legal Entities
Costs and expenses
Depreciation and amortization									(5.0)	(6.0)	(8.0)
Selling, general and administrative									(74.0)	(303.0)	(168.0)
Business consolidation and other activities									(26.0)	(108.0)	(120.0)
Equity in results of subsidiaries									711.0	758.0	673.0
Intercompany									221.0	287.0	301.0
Total costs and expenses									827.0	628.0	678.0
Earnings before interest and taxes									827.0	628.0	678.0
Interest expense									(318.0)	(311.0)	(275.0)
Debt refinancing and other costs									(7.0)	(1.0)
Total interest expense									(325.0)	(312.0)	(275.0)
Earnings (loss) before taxes									502.0	316.0	403.0
Tax (provision) benefit									64.0	138.0	(29.0)
Net earnings									566.0	454.0	374.0
Net earnings attributable to Ball Corporation									566.0	454.0	374.0
Comprehensive earnings (loss) attributable to Ball Corporation									570.0	275.0	659.0
Guarantor Subsidiaries
Subsidiary Guarantees of Debt
Net sales									6,540.0	6,558.0	5,674.0
Costs and expenses
Cost of sales (excluding depreciation and amortization)									(5,591.0)	(5,551.0)	(4,722.0)
Depreciation and amortization									(199.0)	(202.0)	(209.0)
Selling, general and administrative									(179.0)	15.0	(151.0)
Business consolidation and other activities									(40.0)	(29.0)	(56.0)
Equity in results of subsidiaries									141.0	82.0	141.0
Intercompany									(121.0)	(194.0)	(150.0)
Total costs and expenses									(5,989.0)	(5,879.0)	(5,147.0)
Earnings before interest and taxes									551.0	679.0	527.0
Interest expense									5.0	12.0	6.0
Total interest expense									5.0	12.0	6.0
Earnings (loss) before taxes									556.0	691.0	533.0
Tax (provision) benefit									(49.0)	(203.0)	(79.0)
Equity in results of affiliates, net of tax									(10.0)	(10.0)	14.0
Net earnings									497.0	478.0	468.0
Net earnings attributable to Ball Corporation									497.0	478.0	468.0
Comprehensive earnings (loss) attributable to Ball Corporation									551.0	467.0	731.0
Non-Guarantor Subsidiaries
Subsidiary Guarantees of Debt
Net sales									5,733.0	5,874.0	5,532.0
Costs and expenses
Cost of sales (excluding depreciation and amortization)									(4,411.0)	(4,575.0)	(4,218.0)
Depreciation and amortization									(474.0)	(494.0)	(512.0)
Selling, general and administrative									(164.0)	(190.0)	(195.0)
Business consolidation and other activities									(178.0)	(54.0)	(45.0)
Equity in results of subsidiaries											(40.0)
Intercompany									(100.0)	(93.0)	(151.0)
Total costs and expenses									(5,327.0)	(5,406.0)	(5,161.0)
Earnings before interest and taxes									406.0	468.0	371.0
Interest expense									(4.0)	(2.0)	(16.0)
Debt refinancing and other costs											(3.0)
Total interest expense									(4.0)	(2.0)	(19.0)
Earnings (loss) before taxes									402.0	466.0	352.0
Tax (provision) benefit									(86.0)	(120.0)	(57.0)
Equity in results of affiliates, net of tax									9.0	15.0	17.0
Net earnings									325.0	361.0	312.0
Net (earnings) loss attributable to noncontrolling interests									30.0	1.0	(6.0)
Net earnings attributable to Ball Corporation									355.0	362.0	306.0
Comprehensive earnings (loss) attributable to Ball Corporation									$ 402.0	$ 182.0	$ 578.0