Segment Information - Information about Operating Segments (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Segment Reporting Information [Line Items]
Income from operations	$ 406	$ 352	$ 927	$ 997
Net sales	3,167	3,084	8,613	8,874
Operating Segments
Segment Reporting Information [Line Items]
Income from operations	472	398	1,113	1,108
Net sales	2,793	2,715	7,573	7,849
Operating Segments | Americas Beverage
Segment Reporting Information [Line Items]
Income from operations	193	134	456	386
Net sales	960	835	2,608	2,513
Operating Segments | European Beverage
Segment Reporting Information [Line Items]
Income from operations	76	64	152	163
Net sales	418	416	1,094	1,165
Operating Segments | European Food
Segment Reporting Information [Line Items]
Income from operations	90	79	191	189
Net sales	623	581	1,524	1,487
Operating Segments | Asia Pacific
Segment Reporting Information [Line Items]
Income from operations	41	47	125	143
Net sales	281	319	852	959
Operating Segments | Transit Packaging
Segment Reporting Information [Line Items]
Income from operations	72	74	189	227
Net sales	511	564	1,495	1,725
Segment Reconciling Items | Non-reportable segments
Segment Reporting Information [Line Items]
Income from operations	36	34	86	103
Net sales	374	369	1,040	1,025
Intersegment Eliminations
Segment Reporting Information [Line Items]
Net sales	53	59	172	177
Intersegment Eliminations | Americas Beverage
Segment Reporting Information [Line Items]
Net sales	0	4	0	10
Intersegment Eliminations | European Beverage
Segment Reporting Information [Line Items]
Net sales	9	0	11	2
Intersegment Eliminations | European Food
Segment Reporting Information [Line Items]
Net sales	23	20	66	60
Intersegment Eliminations | Transit Packaging
Segment Reporting Information [Line Items]
Net sales	3	2	10	6
Intersegment Eliminations | Non-reportable segments
Segment Reporting Information [Line Items]
Net sales	18	33	85	99
Intersegment Eliminations | Operating Segments
Segment Reporting Information [Line Items]
Net sales	$ 35	$ 26	$ 87	$ 78