Basis of Presentation and Nature of Business - Additional Information (Details) |
Jul. 02, 2021 |
Dec. 31, 2022 |
|---|---|---|
| Alight Holdings | ||
| Basis Of Presentation And Nature Of Business [Line Items] | ||
| Non-voting ownership percentage held by noncontrolling interest | 15.00% | 12.00% |
| Special Purpose Acquisition Company | ||
| Basis Of Presentation And Nature Of Business [Line Items] | ||
| Business combination, closing date of acquisition | Jul. 02, 2021 | |
| Alight | Special Purpose Acquisition Company | Alight Holdings | ||
| Basis Of Presentation And Nature Of Business [Line Items] | ||
| Percentage of economic interest | 85.00% | 88.00% |
| Business combination, percentage of voting power | 100.00% | 100.00% |