Segments - Segment Disaggregation of Sales (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Disaggregation of Revenue [Line Items]
Net sales	$ 3,667	$ 3,708	$ 11,021	$ 10,635
Flexibles
Disaggregation of Revenue [Line Items]
Net sales	2,787	2,837	8,378	8,184
Rigid Packaging
Disaggregation of Revenue [Line Items]
Net sales	880	871	2,643	2,451
North America
Disaggregation of Revenue [Line Items]
Net sales	1,817	1,780	5,364	5,067
North America | Flexibles
Disaggregation of Revenue [Line Items]
Net sales	1,129	1,103	3,327	3,152
North America | Rigid Packaging
Disaggregation of Revenue [Line Items]
Net sales	688	677	2,037	1,915
Latin America
Disaggregation of Revenue [Line Items]
Net sales	463	456	1,431	1,305
Latin America | Flexibles
Disaggregation of Revenue [Line Items]
Net sales	271	262	825	769
Latin America | Rigid Packaging
Disaggregation of Revenue [Line Items]
Net sales	192	194	606	536
Europe
Disaggregation of Revenue [Line Items]
Net sales	985	1,049	2,970	2,972
Europe | Flexibles
Disaggregation of Revenue [Line Items]
Net sales	985	1,049	2,970	2,972
Europe | Rigid Packaging
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Asia Pacific
Disaggregation of Revenue [Line Items]
Net sales	402	423	1,256	1,291
Asia Pacific | Flexibles
Disaggregation of Revenue [Line Items]
Net sales	402	423	1,256	1,291
Asia Pacific | Rigid Packaging
Disaggregation of Revenue [Line Items]
Net sales	$ 0	$ 0	$ 0	$ 0