v3.25.2
Financial Instruments - Schedule of Balances of Cash Equivalents and Investments (Details) - USD ($)
$ in Millions
Jun. 30, 2025
Dec. 31, 2024
Cash equivalents:    
Amortized Cost $ 587 $ 1,082
Short-term investments:    
Amortized Cost 570  
Estimated Fair Market Value 571  
Mortgage origination-related:    
Mortgage loans held for sale 250 159
Restricted cash 5 3
Total assets measured at fair value on a recurring basis, Amortized cost 1,162 1,863
Total assets measured at fair value on a recurring basis, Estimated fair market value 1,422 2,025
Liabilities    
Contingent consideration - accrued expenses and other current liabilities 31 33
Contingent consideration - other long-term liabilities 30 58
Liabilities measured at fair value 64 91
U.S. government treasury securities    
Short-term investments:    
Amortized Cost 408 594
Estimated Fair Market Value 408 591
Corporate bonds    
Short-term investments:    
Amortized Cost 153 175
Estimated Fair Market Value 154 176
U.S. government agency securities    
Short-term investments:    
Amortized Cost 7 7
Estimated Fair Market Value 7 7
Commercial paper    
Short-term investments:    
Amortized Cost 1 2
Estimated Fair Market Value 1 2
Certificate of deposit    
Short-term investments:    
Amortized Cost 1 0
Estimated Fair Market Value 1 0
IRLCs - other current assets    
Mortgage origination-related:    
IRLCs - other current assets 9 4
Forward contracts - accrued expenses and other current liabilities    
Mortgage origination-related:    
IRLCs - other current assets 0 1
Liabilities    
Forward contracts - accrued expenses and other current liabilities 3 0
Cash    
Cash equivalents:    
Amortized Cost 22 13
Estimated Fair Market Value 22 13
Money market funds    
Cash equivalents:    
Amortized Cost 554 993
Estimated Fair Market Value 554 993
U.S. government treasury securities    
Cash equivalents:    
Amortized Cost 11 75
Estimated Fair Market Value 11 75
Commercial paper    
Cash equivalents:    
Amortized Cost 0 1
Estimated Fair Market Value $ 0 $ 1