v3.26.1
Marketable Securities and Other Investments - Available-for-Sale Debt Securities by Contractual Maturity (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Investments, Debt and Equity Securities [Abstract]    
Matures within one year $ 1,697.0 $ 1,506.7
Matures after one year through five years 5,689.5 5,595.8
Matures after five years 99.6 116.5
Total $ 7,486.1 $ 7,219.0