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v3.25.3

Financial Instruments - Schedule of Balances of Cash Equivalents and Investments (Details) - USD ($) $ in Millions | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Cash equivalents: |  |
Amortized Cost | $ 874 | $ 1,082
Short-term investments: |  |
Amortized Cost | 513 |
Estimated Fair Market Value | 515 |
Mortgage origination-related: |  |
Mortgage loans held for sale | 291 | 159
Restricted cash | 5 | 3
Total assets measured at fair value on a recurring basis, Amortized cost | 1,392 | 1,863
Total assets measured at fair value on a recurring basis, Estimated fair market value | 1,695 | 2,025
Liabilities |  |
Contingent consideration - accrued expenses and other current liabilities | 32 | 33
Contingent consideration - other long-term liabilities | 31 | 58
Liabilities measured at fair value | 64 | 91
U.S. government treasury securities |  |
Short-term investments: |  |
Amortized Cost | 353 | 594
Estimated Fair Market Value | 354 | 591
Corporate bonds |  |
Short-term investments: |  |
Amortized Cost | 152 | 175
Estimated Fair Market Value | 153 | 176
U.S. government agency securities |  |
Short-term investments: |  |
Amortized Cost | 7 | 7
Estimated Fair Market Value | 7 | 7
Certificate of deposit |  |
Short-term investments: |  |
Amortized Cost | 1 | 0
Estimated Fair Market Value | 1 | 0
Commercial paper |  |
Short-term investments: |  |
Amortized Cost | 0 | 2
Estimated Fair Market Value | 0 | 2
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 | 1 | 1
Liabilities |  |
Forward contracts - accrued expenses and other current liabilities | 1 | 0
Cash |  |
Cash equivalents: |  |
Amortized Cost | 20 | 13
Estimated Fair Market Value | 20 | 13
Money market funds |  |
Cash equivalents: |  |
Amortized Cost | 741 | 993
Estimated Fair Market Value | 741 | 993
U.S. government treasury securities |  |
Cash equivalents: |  |
Amortized Cost | 113 | 75
Estimated Fair Market Value | 113 | 75
Commercial paper |  |
Cash equivalents: |  |
Amortized Cost | 0 | 1
Estimated Fair Market Value | $ 0 | $ 1

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