Employee Retirement Benefit Plans-Assumed Healthcare Trend Rates (Details) - Other Post-Retirement Benefits [Member] - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Jun. 30, 2022 |
Jun. 30, 2021 |
|
| Effect of 1% Change in Healthcare Cost Trend Rate | ||
| Fiscal Year 2020 Expected Future Contributions | $ 0 | $ 0 |
| Discount rate (percent) | 4.00% | 2.00% |
| Discount rate (percent) | 2.00% | 1.80% |
| Post 65 [Member] | ||
| Assumed Healthcare Cost Trend Rates at the Balance Sheet Date | ||
| Healthcare cost trend rate-initial (percent) | 4.60% | 7.30% |
| Healthcare cost trend rate-ulitimate (percent) | 4.10% | 4.40% |
| Year in which ultimate rates are reached | 2040 | 2035 |
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Weighted average rate for present value of future retirement benefits cash flows, used to determine net periodic benefit cost of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of contribution expected to be received by defined benefit plan from employer in next fiscal year following current fiscal year. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Assumed rate, for next fiscal year, based on annual change in cost of health care cost benefits used to measure expected cost of benefits covered by defined benefit postretirement plan. Factors include, but are not limited to, estimate of health care inflation, change in health care utilization or delivery pattern, technological advances, and change in health status of participant. Excludes factors for change in composition of plan population by age and dependency status. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Ultimate trend rate for health care cost for defined benefit postretirement plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Year ultimate health care cost trend rate is expected to be reached, in YYYY format. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|