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Fair Value Measurements (Tables)
6 Months Ended
Jun. 30, 2024
Fair Value Measurements  
Fair Value of Assets and Liabilities Measured on Recurring Basis

June 30, 

December 31, 

    

2024

    

2023

Quoted prices in active markets (Level 1):

Cash equivalents and money market funds

 

$

37

 

$

327

Equity securities

68

61

Debt securities (a)

778

Significant other observable inputs (Level 2):

Available-for-sale securities (b)

 

496

 

431

Total Assets

 

$

1,379

$

819

(a)Includes $778 million of investments in certain WM tax-exempt bonds as discussed further in Note 1.
(b)Our available-for-sale securities primarily relate to debt securities with maturities over the next ten years.