v3.25.1
Short-term and Long-term Investments, Restricted Deposits - Schedule of Contractual Maturities of Short-Term and Long-Term Investments and Restricted Deposits (Details) - USD ($)
$ in Millions
Mar. 31, 2025
Dec. 31, 2024
Investments    
Amortized Cost    
One year or less $ 2,249 $ 2,383
One year through five years 8,132 7,799
Five years through ten years 4,413 4,343
Greater than ten years 155 165
Asset-backed securities 5,126 4,925
Amortized Cost 20,075 19,615
Fair Value    
One year or less 2,231 2,365
One year through five years 7,958 7,563
Five years through ten years 4,324 4,172
Greater than ten years 152 160
Asset-backed securities 4,993 4,730
Fair Value 19,658 18,990
Restricted Deposits    
Amortized Cost    
One year or less 463 477
One year through five years 594 610
Five years through ten years 284 301
Greater than ten years 87 31
Asset-backed securities 0 0
Amortized Cost 1,428 1,419
Fair Value    
One year or less 463 475
One year through five years 578 593
Five years through ten years 281 291
Greater than ten years 87 31
Asset-backed securities 0 0
Fair Value $ 1,409 $ 1,390