MARKETABLE SECURITIES AND NON-CURRENT INVESTMENTS (Tables)

12 Months Ended

Dec. 31, 2025

Investments, Debt and Equity Securities [Abstract]

The following is a summary of marketable securities classified as trading and available-for-sale as of December 31, 2025 and 2024 (in millions):


	Cost		Unrealized Losses		Estimated Fair Value
2025
Current trading marketable securities:



Equity securities	$	3	$	—	$	3
Current available-for-sale marketable securities:
U.S. government and agency debt securities	—		—		—
Corporate debt securities	—		—		—
Total available-for-sale marketable securities	—		—		—
Total current marketable securities	$	3	$	—	$	3


	Cost		Unrealized Losses		Estimated Fair Value
2024
Current trading marketable securities:
Equity securities	$	3	$	—	$	3
Current available-for-sale marketable securities:
U.S. government and agency debt securities	165		(1)		164

Corporate debt securities	39		—		39


Total available-for-sale marketable securities	204		(1)		203
Total current marketable securities	$	207	$	(1)	$	206

Investments Measured at Fair Value on a Recurring Basis

The following table presents information about our investments measured at fair value on a recurring basis as of December 31, 2025 and 2024, and indicates the fair value hierarchy of the valuation techniques utilized (in millions):


	Level 1		Level 2		Level 3		Total
2025
Marketable Securities:
U.S. government and agency debt securities	$	—	$	—	$	—	$	—

Corporate debt securities	—		—		—		—

Equity securities	—		3		—		3



Total marketable securities	—		3		—		3
Other non-current investments	—		21		—		21
Total	$	—	$	24	$	—	$	24


	Level 1		Level 2		Level 3		Total
2024
Marketable Securities:
U.S. government and agency debt securities	$	164	$	—	$	—	$	164

Corporate debt securities	25		14		—		39

Equity securities	—		3		—		3



Total marketable securities	189		17		—		206
Other non-current investments	—		19		—		19
Total	$	189	$	36	$	—	$	225