Segment Information - Reconciliation of Segment Income (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment income	$ 406	$ 352	$ 927	$ 997
Restructuring and other	(10)	0	(20)	41
Amortization of intangibles	(45)	(43)	(134)	(140)
Other pension and postretirement	1	(1)	(43)	(12)
Interest expense	(72)	(95)	(228)	(290)
Interest income	2	5	7	12
Foreign exchange	(2)	(4)	15	(6)
Income before income taxes	335	257	678	695
Operating Segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment income	472	398	1,113	1,108
Operating Segments \| Americas Beverage
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment income	193	134	456	386
Operating Segments \| European Beverage
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment income	76	64	152	163
Operating Segments \| European Food
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment income	90	79	191	189
Operating Segments \| Asia Pacific
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment income	41	47	125	143
Segment Reconciling Items
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Restructuring and other	(10)	0	(20)	41
Amortization of intangibles	(45)	(42)	(134)	(136)
Restructuring and Related Cost, Accelerated Depreciation	0	(1)	0	(4)
Other pension and postretirement	1	(1)	(43)	(12)
Loss from early extinguishments of debt	0	0	0	(6)
Interest expense	(72)	(95)	(228)	(290)
Interest income	2	5	7	12
Foreign exchange	(2)	(4)	15	(6)
Segment Reconciling Items \| Non-reportable segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment income	36	34	86	103
Corporate, Non-Segment
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Corporate and unallocated items	$ (47)	$ (37)	$ (118)	$ (115)

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