Goodwill and intangible assets (Schedule of Goodwill) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Goodwill [Roll Forward]
Balance at beginning of period	$ 2,671	$ 2,016
Foreign currency translation	(293)	(259)
Goodwill acquired	625	934
Disposals		(20)
Transfers	0
Balance at end of period	3,003	2,671
Accumulated impairments	976	976	$ 976
Non-reportable Segments [Member]
Goodwill [Roll Forward]
Balance at beginning of period	129	158
Foreign currency translation	(4)	(12)
Goodwill acquired	0	0
Disposals		(17)
Transfers	(20)
Balance at end of period	105	129
Accumulated impairments	150	150	150
Americas Beverage [Member]
Goodwill [Roll Forward]
Balance at beginning of period	420	424
Foreign currency translation	(94)	(4)
Goodwill acquired	618	0
Disposals		0
Transfers	0
Balance at end of period	944	420
Accumulated impairments	29	29	29
North America Food [Member]
Goodwill [Roll Forward]
Balance at beginning of period	152	158
Foreign currency translation	(11)	(6)
Goodwill acquired	0	0
Disposals		0
Transfers	0
Balance at end of period	141	152
Accumulated impairments	0	0	0
European Beverage [Member]
Goodwill [Roll Forward]
Balance at beginning of period	623	680
Foreign currency translation	(51)	(57)
Goodwill acquired	0	0
Disposals		0
Transfers	0
Balance at end of period	572	623
Accumulated impairments	73	73	73
European Food [Member]
Goodwill [Roll Forward]
Balance at beginning of period	1,347	596
Foreign currency translation	(133)	(180)
Goodwill acquired	7	934
Disposals		(3)
Transfers	20
Balance at end of period	1,241	1,347
Accumulated impairments	$ 724	$ 724	$ 724