Segment Information - Schedule of Information about Operating Segments (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Segment Reporting Information [Line Items]
Net sales	$ 3,202	$ 3,074	$ 9,238	$ 8,898
Depreciation	79	73	230	222
Capital expenditures	92	76	181	254
Segment income	423	444	1,179	1,068
Operating Segments
Segment Reporting Information [Line Items]
Segment income	478	486	1,375	1,295
Operating Segments | Total reportable segments
Segment Reporting Information [Line Items]
Net sales	2,851	2,751	8,266	7,979
Depreciation	71	68	207	203
Capital expenditures	80	66	164	224
Segment income	478	486	1,375	1,295
Operating Segments | Americas Beverage
Segment Reporting Information [Line Items]
Net sales	1,417	1,368	4,142	3,915
Depreciation	33	32	97	97
Capital expenditures	29	41	56	109
Segment income	255	280	759	712
Operating Segments | European Beverage
Segment Reporting Information [Line Items]
Net sales	658	573	1,805	1,615
Depreciation	15	15	44	41
Capital expenditures	41	15	79	80
Segment income	109	86	273	225
Operating Segments | Asia Pacific
Segment Reporting Information [Line Items]
Net sales	259	284	794	853
Depreciation	11	11	33	34
Capital expenditures	5	4	9	18
Segment income	44	50	141	147
Operating Segments | Transit Packaging
Segment Reporting Information [Line Items]
Net sales	517	526	1,525	1,596
Depreciation	12	10	33	31
Capital expenditures	5	6	20	17
Segment income	70	70	202	211
Operating Segments | Other
Segment Reporting Information [Line Items]
Net sales	351	323	972	919
Depreciation	7	5	20	18
Capital expenditures	11	9	14	23
Segment income	51	27	115	49
Intersegment sales
Segment Reporting Information [Line Items]
Net sales	(39)	(17)	(79)	(59)
Intersegment sales | Total reportable segments
Segment Reporting Information [Line Items]
Net sales	(4)	(3)	(12)	(11)
Intersegment sales | Americas Beverage
Segment Reporting Information [Line Items]
Net sales		0
Intersegment sales | Transit Packaging
Segment Reporting Information [Line Items]
Net sales	(4)	(3)	(12)	(11)
Intersegment sales | Other
Segment Reporting Information [Line Items]
Net sales	(35)	(14)	(67)	(48)
Corporate and Unallocated Items
Segment Reporting Information [Line Items]
Depreciation	1	0	3	1
Capital expenditures	1	1	3	7
Segment income	$ (39)	$ (41)	$ (126)	$ (127)