Annual report pursuant to Section 13 and 15(d)

MARKETABLE SECURITIES (Tables)

v3.19.3.a.u2
MARKETABLE SECURITIES (Tables)
12 Months Ended
Dec. 31, 2019
Marketable Securities [Abstract]  
Summary of marketable securities
A summary of marketable securities, all of which are classified as current, was as follows:
 
 
December 31,
 
 
2019
 
2018
In millions
 
Cost
 
Gross unrealized gains/(losses) (1)
 
Estimated
fair value
 
Cost
 
Gross unrealized gains/(losses) (1)
 
Estimated
fair value
Equity securities
 
 

 
 

 
 

 
 

 
 

 
 

Debt mutual funds
 
$
180

 
$
3

 
$
183

 
$
103

 
$
1

 
$
104

Certificates of deposit
 
133

 

 
133

 
101

 

 
101

Equity mutual funds
 
19

 
4

 
23

 
16

 

 
16

Bank debentures
 
1

 

 
1

 

 

 

Debt securities
 
1

 

 
1

 
1

 

 
1

Total marketable securities
 
$
334

 
$
7

 
$
341

 
$
221

 
$
1

 
$
222


______________________________________________________
(1)
Schedule of proceeds from sales and maturities of marketable securities
The proceeds from sales and maturities of marketable securities were as follows:
 
 
Years ended December 31,
In millions
 
2019
 
2018
 
2017
Proceeds from sales of marketable securities
 
$
258

 
$
253

 
$
145

Proceeds from maturities of marketable securities
 
131

 
78

 
121

Investments in marketable securities - liquidations
 
$
389

 
$
331

 
$
266