INVESTMENTS - Contractual Maturity of Available for Sale Debt Securities (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Cost
Within 1 year	$ 417
After 1 year through 5 years	1,182
After 5 years through 10 years	38
After 10 years	179
Available-for-sale securities	1,816	$ 1,728
Estimated Fair Value
Within 1 year	415
After 1 year through 5 years	1,147
After 5 years through 10 years	46
After 10 years	166
Available-for-sale securities	$ 1,774	$ 1,631

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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