v3.26.3
Investments - Short-Term and Long-Term Investment Securities (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Investment securities    
Total available-for-sale investment securities $ 76 $ 67
Total held-to-maturity investment securities 292 464
Total investment in debt securities 368 531
Commercial paper    
Investment securities    
Total available-for-sale investment securities 70 60
Debt securities    
Investment securities    
Total available-for-sale investment securities 6 7
Corporate bonds    
Investment securities    
Total held-to-maturity investment securities $ 292 $ 464