SHARE-BASED COMPENSATION AND POSTRETIREMENT BENEFITS (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Mar. 31, 2023 |
Mar. 31, 2022 |
Mar. 31, 2023 |
Mar. 31, 2022 |
|
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Abstract] | ||||
| Share-based Payment Arrangement, Expense | $ 156 | $ 130 | $ 406 | $ 398 |
| Pension Plan | ||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Defined Benefit Plan, Net Periodic Benefit Cost (Credit) | 45 | 47 | 132 | 143 |
| Other Postretirement Benefit Plan | ||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Defined Benefit Plan, Net Periodic Benefit Cost (Credit) | $ (131) | $ (126) | $ (395) | $ (348) |