v3.26.1
Fair Value Measurements (Tables)
6 Months Ended
Jun. 30, 2026
Fair Value Measurements  
Fair Value of Assets and Liabilities Measured on Recurring Basis

June 30, 

December 31, 

  ​ ​ ​

2026

  ​ ​ ​

2025

Quoted prices in active markets (Level 1):

Cash equivalents and money market funds

 

$

424

 

$

91

Equity securities

92

88

Significant other observable inputs (Level 2):

Available-for-sale securities (a)

 

670

 

528

Total assets measured at fair value

 

$

1,186

$

707

(a)Our available-for-sale securities primarily relate to debt securities with maturities over the next nine years.