| Line Item | Jun 30, 2026 | Mar 31, 2026 | Dec 31, 2025 | Sep 30, 2025 | Jun 30, 2025 | Mar 31, 2025 | Dec 31, 2024 | Sep 30, 2024 | Jun 30, 2024 | Mar 31, 2024 | Dec 31, 2023 | Sep 30, 2023 | Jun 30, 2023 | Mar 31, 2023 | Dec 31, 2022 | Sep 30, 2022 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| General and administrative expenses | ||||||||||||||||
| Research and development expenses | ||||||||||||||||
| Total operating loss | ||||||||||||||||
| Other (income) | ||||||||||||||||
| Loss before income taxes | ||||||||||||||||
| Income tax expense (benefit) | ||||||||||||||||
| Net loss | ||||||||||||||||
| Net loss attributable to noncontrolling interest | ||||||||||||||||
| Net loss attributable to Verde Clean Fuels, Inc. | ||||||||||||||||
| Loss per share of Class A common stock, Basic (in dollars per share) | ||||||||||||||||
| Loss per Share of Class A common stock, Diluted (in dollars per share) |