Subsidiary Guarantees of Debt - Condensed Consolidating Balance Sheet (Details) - USD ($) $ in Millions	Dec. 31, 2019	Jan. 01, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Current assets
Cash and cash equivalents	$ 1,798		$ 721	$ 448
Receivables, net	1,631		1,802
Inventories, net	1,274		1,271
Other current assets	181	$ 139	146
Total current assets	4,884		3,940
Noncurrent assets
Property, plant and equipment, net	4,470		4,542
Goodwill	4,419		4,475	4,933
Intangible assets, net	2,002		2,188
Other assets	1,585		1,409
Total assets	17,360		16,554
Current liabilities
Short-term debt and current portion of long-term debt	1,480		219
Accounts payable	3,136		3,095
Accrued employee costs	285		289
Other current liabilities	676	489	492
Total current liabilities	5,577		4,095
Noncurrent liabilities
Long-term debt	6,337		6,510
Employee benefit obligations	1,486		1,455
Long-term derivative liabilities	1		64
Deferred taxes	561		645
Deferred taxes	241		237
Other liabilities	380	$ 273	287
Total liabilities	14,341		12,992
Common stock	1,178		1,157
Retained earnings	5,803		5,341
Accumulated other comprehensive earnings (loss)	(910)		(835)
Treasury stock, at cost	(3,122)		(2,205)
Total Ball Corporation shareholders' equity	2,949		3,458
Noncontrolling interests	70		104
Total equity	3,019		3,562	$ 4,046	$ 3,541
Total liabilities and equity	17,360		16,554
Eliminating Adjustments
Current assets
Intercompany receivables	(2,027)		(2,218)
Total current assets	(2,027)		(2,218)
Noncurrent assets
Investment in subsidiaries	(9,679)		(14,825)
Total assets	(11,706)		(17,043)
Current liabilities
Intercompany payables	(2,905)		(2,825)
Total current liabilities	(2,905)		(2,825)
Noncurrent liabilities
Intercompany long-term notes	879		606
Total liabilities	(2,026)		(2,219)
Common stock	(2,707)		(7,837)
Preferred stock	(5)		(5)
Retained earnings	(7,992)		(8,028)
Accumulated other comprehensive earnings (loss)	1,024		1,046
Total Ball Corporation shareholders' equity	(9,680)		(14,824)
Total equity	(9,680)		(14,824)
Total liabilities and equity	(11,706)		(17,043)
Ball Corporation | Reportable Legal Entities
Current assets
Cash and cash equivalents	877		4
Receivables, net	31		21
Intercompany receivables	121		66
Other current assets	24		32
Total current assets	1,053		123
Noncurrent assets
Property, plant and equipment, net	37		24
Investment in subsidiaries	7,289		11,145
Intangible assets, net	18		18
Other assets	331		213
Total assets	8,728		11,523
Current liabilities
Short-term debt and current portion of long-term debt	1,449		173
Accounts payable	16		50
Intercompany payables	2,473		2,310
Accrued employee costs	46		39
Other current liabilities	177		153
Total current liabilities	4,161		2,725
Noncurrent liabilities
Long-term debt	6,330		6,504
Employee benefit obligations	824		871
Intercompany long-term notes	(5,385)		(1,977)
Deferred taxes	(231)		(172)
Other liabilities	80		114
Total liabilities	5,779		8,065
Common stock	1,178		1,157
Retained earnings	5,803		5,341
Accumulated other comprehensive earnings (loss)	(910)		(835)
Treasury stock, at cost	(3,122)		(2,205)
Total Ball Corporation shareholders' equity	2,949		3,458
Total equity	2,949		3,458
Total liabilities and equity	8,728		11,523
Guarantor Subsidiaries
Current assets
Receivables, net	494		613
Intercompany receivables	360		495
Inventories, net	550		527
Other current assets	35		35
Total current assets	1,439		1,670
Noncurrent assets
Property, plant and equipment, net	1,474		1,378
Investment in subsidiaries	2,489		3,779
Goodwill	1,190		1,191
Intangible assets, net	376		409
Other assets	304		215
Total assets	7,272		8,642
Current liabilities
Accounts payable	1,111		1,178
Intercompany payables	94		49
Accrued employee costs	149		144
Other current liabilities	184		119
Total current liabilities	1,538		1,490
Noncurrent liabilities
Employee benefit obligations	368		286
Intercompany long-term notes	(2,175)		3
Deferred taxes	235		169
Other liabilities	120		45
Total liabilities	86		1,993
Common stock	2,661		2,523
Retained earnings	5,135		4,712
Accumulated other comprehensive earnings (loss)	(610)		(586)
Total Ball Corporation shareholders' equity	7,186		6,649
Total equity	7,186		6,649
Total liabilities and equity	7,272		8,642
Non-Guarantor Subsidiaries
Current assets
Cash and cash equivalents	921		717
Receivables, net	1,106		1,168
Intercompany receivables	1,546		1,657
Inventories, net	724		744
Other current assets	122		79
Total current assets	4,419		4,365
Noncurrent assets
Property, plant and equipment, net	2,959		3,140
Investment in subsidiaries	(99)		(99)
Goodwill	3,229		3,284
Intangible assets, net	1,608		1,761
Other assets	950		981
Total assets	13,066		13,432
Current liabilities
Short-term debt and current portion of long-term debt	31		46
Accounts payable	2,009		1,867
Intercompany payables	338		466
Accrued employee costs	90		106
Other current liabilities	315		220
Total current liabilities	2,783		2,705
Noncurrent liabilities
Long-term debt	7		6
Employee benefit obligations	294		298
Intercompany long-term notes	6,681		1,368
Deferred taxes	557		648
Other liabilities	180		128
Total liabilities	10,502		5,153
Common stock	46		5,314
Preferred stock	5		5
Retained earnings	2,857		3,316
Accumulated other comprehensive earnings (loss)	(414)		(460)
Total Ball Corporation shareholders' equity	2,494		8,175
Noncontrolling interests	70		104
Total equity	2,564		8,279
Total liabilities and equity	$ 13,066		$ 13,432