FAIR VALUE MEASUREMENTS (Tables)

12 Months Ended

Dec. 31, 2025

Fair Value Disclosures [Abstract]

Fair Value, by Balance Sheet Grouping

Fair values of financial instruments on the consolidated balance sheet:

	December 31, 2025
(in millions)	Level 1		Level 2		Level 3		Total
Assets
Marketable securities
U.S. government and agency securities	$	371	$	—	$	—	$	371
Equity mutual funds	8		—		—		8
Asset-backed securities	—		231		—		231
Mortgage-backed securities	—		211		—		211
Corporate notes and bonds	—		663		—		663
Municipal securities and other	—		12		—		12
Total Marketable securities	$	379	$	1,117	$	—	$	1,496

	December 31, 2024
(in millions)	Level 1		Level 2		Level 3		Total
Assets
Marketable securities
U.S. government and agency securities	$	292	$	—	$	—	$	292
Equity mutual funds	7		—		—		7
Asset-backed securities	—		127		7		134
Mortgage-backed securities	—		112		—		112
Corporate notes and bonds	—		696		2		698
Municipal securities and other	—		31		—		31
Total Marketable securities	$	299	$	966	$	9	1,274

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

(in millions)	December 31, 2025		December 31, 2024
Fixed-rate debt	$	2,761	$	2,946
Estimated fair value	$	2,756	$	2,844

Schedule of Debt Investment Maturities

Maturities for marketable securities:

December 31, 2025 (in millions)	Cost Basis		Fair Value
Due in one year or less	$	354	$	354
Due after one year through five years	974		979
Due after five years through ten years	152		153
Due after ten years	2		2
No maturity date	5		8
Total	$	1,487	$	1,496