Intangibles Assets, net (Details) - USD ($) $ in Millions	3 Months Ended			6 Months Ended		12 Months Ended
	Jun. 30, 2017	Mar. 31, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Total annual intangible asset amortization expense
Finite-lived intangible assets (net of accumulated amortization)	$ 86			$ 86		$ 89
Accumulated amortization	155		$ 143	155	$ 143
Capitalized software (net of accumulated amortization)	86			86		79
Accumulated amortization - capitalized software	112			112		87
Total intangible assets, net	2,512			2,512		1,934
Amortization of Intangible Assets	76		$ 10	117	$ 20
Ball Corporation
Total annual intangible asset amortization expense
Total intangible assets, net	17			17		18
Rexam
Total annual intangible asset amortization expense
Finite-lived intangible assets (net of accumulated amortization)	2,340			2,340		1,766
Accumulated amortization	160			160		62
Amortization of Intangible Assets	51			$ 83
Amortization recorded as a result of changes to the initial accounting of intangible assets in business combination	$ 23	$ 8				$ 15