Segments - Reportable Segment Summary Information (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Segment Reporting Information [Line Items]
Net sales	$ 3,667	$ 3,708	$ 11,021	$ 10,635
Adjusted earnings before interest and taxes ("Adjusted EBIT")	(382)	(427)	(1,173)	(1,196)
Material restructuring programs	0	(9)	0	(26)
Amortization of acquired intangible assets in business combinations	(40)	(40)	(120)	(122)
Impact of hyperinflation	(6)	(6)	(19)	(10)
Net loss on disposals	0	0	0	(9)
Property and other gains/(losses), net	0	4	0	(23)
Pension settlement	0	0	0	(3)
Russia-Ukraine conflict impacts	(48)	0	156	0
Other	(4)	(2)	(2)	(4)
Interest income	15	5	35	15
Interest expense	(86)	(36)	(224)	(115)
Asset Impairment Charges		9		9
Flexibles
Segment Reporting Information [Line Items]
Net sales	2,787	2,837	8,378	8,184
Adjusted earnings before interest and taxes ("Adjusted EBIT")	(337)	(378)	(1,043)	(1,069)
Rigid Packaging
Segment Reporting Information [Line Items]
Net sales	880	871	2,643	2,451
Adjusted earnings before interest and taxes ("Adjusted EBIT")	(69)	(77)	(192)	(194)
Other
Segment Reporting Information [Line Items]
Adjusted earnings before interest and taxes ("Adjusted EBIT")	(24)	(28)	(62)	(67)
Reportable segments | Flexibles
Segment Reporting Information [Line Items]
Net sales	2,787	2,837	8,378	8,184
Reportable segments | Rigid Packaging
Segment Reporting Information [Line Items]
Net sales	880	871	2,643	2,451
Reportable segments | Other
Segment Reporting Information [Line Items]
Net sales	$ 0	$ 0	$ 0	$ 0