Pension and Other Postretirement Benefits - Schedule of Weighted-average Asset Allocations by Asset Category (Details) - Pension Benefits	Jun. 30, 2022	Jun. 30, 2021
Defined Benefit Plan Disclosure [Line Items]
Total	100.00%	100.00%
Equity securities
Defined Benefit Plan Disclosure [Line Items]
Total	35.70%	58.20%
Fixed income securities
Defined Benefit Plan Disclosure [Line Items]
Total	40.50%	41.80%
Real assets securities
Defined Benefit Plan Disclosure [Line Items]
Total	23.80%	0.00%