v3.25.0.1
Financial Instruments - Schedule of Balances of Cash Equivalents and Investments (Details) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Cash equivalents:    
Cash and cash equivalents $ 1,082 $ 1,492
Short-term investments:    
Amortized Cost 778  
Estimated Fair Market Value 776  
Mortgage origination-related:    
Mortgage loans held for sale 159 100
Restricted cash 3 3
Total assets measured at fair value on a recurring basis, Amortized cost 1,863 2,818
Total assets measured at fair value on a recurring basis, Fair Value 2,025 2,916
Liabilities    
Contingent consideration - accrued expenses and other current liabilities 33 30
Contingent consideration - other long-term liabilities 58 51
Liabilities measured at fair value 91 82
U.S. government treasury securities    
Short-term investments:    
Amortized Cost 594 1,149
Estimated Fair Market Value 591 1,143
Corporate bonds    
Short-term investments:    
Amortized Cost 175 160
Estimated Fair Market Value 176 161
U.S. government agency securities    
Short-term investments:    
Amortized Cost 7 14
Estimated Fair Market Value 7 14
Liabilities    
Debt securities, available-for-sale, accumulated gross unrealized loss, before tax 3 6
Commercial paper    
Short-term investments:    
Amortized Cost 2 0
Estimated Fair Market Value 2 0
IRLCs - other current assets | Not Designated as Hedging Instrument    
Mortgage origination-related:    
Other current assets 4 3
Forward contracts - other current assets | Not Designated as Hedging Instrument    
Mortgage origination-related:    
Other current assets 1 0
Liabilities    
Forward contracts - accrued expenses and other current liabilities 0 1
Cash    
Cash equivalents:    
Cash and cash equivalents 13 50
Estimated Fair Market Value 13 50
Money market funds    
Cash equivalents:    
Cash and cash equivalents 993 1,440
Estimated Fair Market Value 993 1,440
U.S. government treasury securities    
Cash equivalents:    
Cash and cash equivalents 75 2
Estimated Fair Market Value 75 2
Commercial paper    
Cash equivalents:    
Cash and cash equivalents 1 0
Estimated Fair Market Value $ 1 $ 0