v3.26.1
Acquisitions - Additional Information (Details)
1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Jan. 09, 2026
USD ($)
shares
Jan. 13, 2025
USD ($)
Jan. 31, 2026
shares
Jun. 30, 2026
USD ($)
shares
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
shares
Dec. 31, 2025
USD ($)
shares
Jun. 30, 2025
USD ($)
Dec. 31, 2025
shares
Business Combination [Line Items]                  
Common stock, shares issued (in shares) | shares       753,281,560   753,281,560 563,479,423   563,479,423
Anywhere merger transaction and integration expenses       $ 34,000,000 $ 0 $ 217,000,000   $ 0  
Stock-based compensation       38,000,000 55,000,000 85,000,000   86,000,000  
Compensation expenses, future services       $ 1,000,000 $ 0 $ 2,000,000   $ 0  
Common Class A                  
Business Combination [Line Items]                  
Common stock, shares issued (in shares) | shares       743,159,127   743,159,127 553,356,990   553,356,990
Anywhere Real Estate Inc                  
Business Combination [Line Items]                  
Cash consideration $ 502,000,000                
Goodwill, expected tax deductible amount 0                
Anywhere merger transaction and integration expenses       $ 34,000,000   $ 217,000,000 $ 18,000,000    
Stock-based compensation       $ 3,000,000   $ 64,000,000      
Total consideration transferred 2,569,000,000                
Share consideration $ 1,987,000,000                
Anywhere Real Estate Inc | Common Class A                  
Business Combination [Line Items]                  
Merger, common stock, conversion ratio 1.436                
Common stock, shares issued (in shares) | shares 162,100,000     162,100,000   162,100,000      
Christie's International Real Estate                  
Business Combination [Line Items]                  
Cash consideration   $ 153,000,000              
Goodwill, expected tax deductible amount       $ 211,000,000   $ 211,000,000      
Total consideration transferred   403,000,000              
Share consideration   $ 250,000,000              
Equity interest issued or issuable (in shares) | shares     3,700,000           28,400,000
Additional share to be issued | shares     6,800,000