MARKETABLE SECURITIES (Tables)

9 Months Ended

Sep. 30, 2024

Investments, Debt and Equity Securities [Abstract]

Summary of marketable securities

A summary of marketable securities, all of which were classified as current, was as follows:

	September 30, 2024						December 31, 2023
In millions	Cost		Gross unrealized gains/(losses) (1)		Estimated fair value		Cost		Gross unrealized gains/(losses) (1)		Estimated fair value
Equity securities
Level 1
Publicly-traded shares	$	7	$	(5)	$	2	$	—	$	—	$	—
Level 2
Certificates of deposit	260		—		260		246		—		246
Debt mutual funds	213		2		215		272		—		272
Equity mutual funds	17		9		26		22		6		28
Debt securities	15		—		15		16		—		16
Marketable securities	$	512	$	6	$	518	$	556	$	6	$	562
(1) Unrealized gains and losses for debt securities are recorded in other comprehensive income while unrealized gains and losses for equity securities are recorded in our Condensed Consolidated Statements of Net Income.

Schedule of proceeds from sales and maturities

The proceeds from sales and maturities of marketable securities were as follows:

	Nine months ended
	September 30,
In millions	2024		2023
Proceeds from sales of marketable securities	$	1,008	$	812
Proceeds from maturities of marketable securities	105		190
Investments in marketable securities - liquidations	$	1,113	$	1,002