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Marketable Securities and Held-to-Maturity Debt Securities (Tables)
6 Months Ended
Jun. 30, 2020
Marketable Securities and Held-to-Maturity Debt Securities  
Schedule of marketable securities

(Millions)

June 30, 2020

December 31, 2019

 

Commercial paper

$

195

$

85

Certificates of deposit/time deposits

 

27

 

10

U.S. municipal securities

 

25

 

3

Current marketable securities

$

247

$

98

U.S. municipal securities

$

34

$

43

Non-current marketable securities

$

34

$

43

Total marketable securities

$

281

$

141

Marketable securities by contractual maturity

(Millions)

    

June 30, 2020

 

Due in one year or less

$

247

Due after one year through five years

 

14

Due after five years through ten years

 

20

Total marketable securities

$

281