AUGUST 2023 CYBERATTACK - Schedule of Recognition of Costs, Net of Insurance Recoveries (Details) - Cyberattack - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Unusual or Infrequent Item, or Both [Line Items] | |||
| Cyberattack costs, net of insurance recoveries | $ (70) | $ 29 | |
| Income Statement Location [Axis]: us-gaap:CostOfGoodsAndServicesSold | |||
| Unusual or Infrequent Item, or Both [Line Items] | |||
| Cyberattack costs, net of insurance recoveries | (5) | 17 | |
| Income Statement Location [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense | |||
| Unusual or Infrequent Item, or Both [Line Items] | |||
| Cyberattack costs, net of insurance recoveries | 0 | 12 | |
| Income Statement Location [Axis]: clx:OtherExpenseIncomeNet | |||
| Unusual or Infrequent Item, or Both [Line Items] | |||
| Cyberattack costs, net of insurance recoveries | $ 0 | $ (65) | $ 0 |