v3.26.1
MARKETABLE SECURITIES (Tables)
 6 Months Ended
Jun. 30, 2026
Investments, Debt and Equity Securities [Abstract]  
Schedule of Marketable Securities
A summary of marketable securities, all of which were classified as current, was as follows:
June 30,
2026		December 31,
2025
In millionsCost
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 $(7)$— 
Level 2
Debt mutual funds443 14 457 416 10 426 
Certificates of deposit238 — 238 280 — 280 
Equity mutual funds11 13 24 13 11 24 
Debt securities26 — 26 34 — 34 
Marketable securities$718 $27 $745 $750 $14 $764 
(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:
Six months ended
June 30,
In millions20262025
Proceeds from sales of marketable securities$527 $562 
Proceeds from maturities of marketable securities114 74 
Investments in marketable securities - liquidations$641 $636