v3.26.1
Equity Method Investments - Schedule of Equity in Income from its Equity Method Investments (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Schedule of Equity Method Investments [Line Items]        
Equity in income of unconsolidated entities $ 10 $ 2 $ 15 $ 3
Mortgage joint ventures | Integrated Services        
Schedule of Equity Method Investments [Line Items]        
Equity in income of unconsolidated entities 9 0 13 1
Title insurance underwriter joint venture | Integrated Services        
Schedule of Equity Method Investments [Line Items]        
Equity in income of unconsolidated entities (1) 0 (2) 0
Brokerage equity method investments | Brokerage        
Schedule of Equity Method Investments [Line Items]        
Equity in income of unconsolidated entities 1 0 2 0
Other equity method investments | Integrated Services        
Schedule of Equity Method Investments [Line Items]        
Equity in income of unconsolidated entities $ 1 $ 2 $ 2 $ 2