Financial Instruments and Fair Value - Cash-Settled Award (Details) - shares	Jun. 30, 2021	Jun. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash-settled share based units (in shares)	4,748,936	1,878,220
Deferred compensation arrangements (in shares)	1,584,039	1,125,605
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash-settled share based units (in shares)	1,758,443	1,878,220
Performance Share Units (PSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash-settled share based units (in shares)	2,990,493	0