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Basis of Presentation and Nature of Business - Additional Information (Details) - Alight Holdings
Jun. 30, 2025
Maximum  
Basis Of Presentation And Nature Of Business [Line Items]  
Non-voting ownership percentage held by noncontrolling interest 1.00%
Special Purpose Acquisition Company | Alight  
Basis Of Presentation And Nature Of Business [Line Items]  
Percentage of economic interest 99.00%
Business combination, percentage of voting power 100.00%