Segment Information - Reconciliation of Segment Income (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment income	$ 275	$ 383	$ 521	$ 645
Restructuring and other	(3)	45	(10)	41
Amortization of intangibles	(44)	(47)	(89)	(94)
Other pension and postretirement	(13)	(29)	(44)	(11)
Interest expense	(76)	(97)	(156)	(195)
Interest income	1	4	5	7
Foreign exchange	5	(1)	17	(2)
Income before income taxes	192	260	343	438
Operating Segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment income	324	392	641	710
Operating Segments \| Americas Beverage
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment income	129	139	263	252
Operating Segments \| European Beverage
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment income	37	60	76	99
Operating Segments \| European Food
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment income	68	62	101	110
Operating Segments \| Asia Pacific
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment income	39	51	84	96
Segment Reconciling Items
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Restructuring and other	(3)	45	(10)	41
Amortization of intangibles	(44)	(47)	(89)	(94)
Restructuring and Related Cost, Accelerated Depreciation	0	(1)	0	(3)
Other pension and postretirement	(13)	(29)	(44)	(11)
Loss from early extinguishments of debt	0	0	0	(6)
Interest expense	(76)	(97)	(156)	(195)
Interest income	1	4	5	7
Foreign exchange	5	(1)	17	(2)
Segment Reconciling Items \| Non-reportable segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment income	31	33	50	69
Corporate, Non-Segment
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Corporate and unallocated items	$ (33)	$ (39)	$ (71)	$ (78)

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