FAIR VALUE MEASUREMENTS (Tables)

6 Months Ended

Jun. 30, 2026

Fair Value Disclosures [Abstract]

Fair Value, by Balance Sheet Grouping

Fair values of financial instruments on the condensed consolidated balance sheets:

	June 30, 2026
(in millions)	Level 1		Level 2		Total
Marketable securities
U.S. government and agency securities	$	347	$	—	$	347
Asset-backed securities	—		238		238
Mortgage-backed securities	—		192		192
Corporate notes and bonds	—		802		802
Other	10		9		19
Total Marketable securities	$	357	$	1,241	$	1,598

	December 31, 2025
(in millions)	Level 1		Level 2		Total
Marketable securities
U.S. government and agency securities	$	371	$	—	$	371
Asset-backed securities	—		231		231
Mortgage-backed securities	—		211		211
Corporate notes and bonds	—		663		663
Other	8		12		20
Total Marketable securities	$	379	$	1,117	$	1,496

Fixed-rate debt on the condensed consolidated balance sheets and the estimated fair value of long-term fixed-rate debt:

(in millions)	June 30, 2026		December 31, 2025
Fixed-rate debt	$	2,556	$	2,761
Estimated fair value	$	2,543	$	2,756

Schedule of Debt Investment Maturities

Maturities for marketable securities:

June 30, 2026 (in millions)	Cost Basis		Fair Value
Due in one year or less	$	498	$	497
Due after one year through five years	945		940
Due after five years through ten years	152		150
Due after ten years	1		1
No maturity date	5		10
Total	$	1,601	$	1,598