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Debt (Tables)
12 Months Ended
Dec. 31, 2018
Debt Disclosure [Abstract]  
Debt

Debt consists of (in millions):

 

 

 

December 31,

 

 

 

2018

 

 

2017

 

$1.4 billion in Senior Notes, interest at 2.60% payable   semiannually, principal due on December 1, 2022

 

 

 

1,394

 

 

 

1,392

 

$1.1 billion in Senior Notes, interest at 3.95% payable

   semiannually, principal due on December 1, 2042

 

 

1,088

 

 

 

1,088

 

Capital Leases and other debt

 

 

229

 

 

 

232

 

Total debt

 

 

2,711

 

 

 

2,712

 

Less current portion

 

 

7

 

 

 

6

 

Long-term debt

 

$

2,704

 

 

$

2,706

 

Principal Payments of Debt and Capital Leases

Principal payments of debt and capital leases for years subsequent to 2018 are as follows (in millions):

 

2019

 

$

7

 

2020

 

 

7

 

2021

 

 

7

 

2022

 

 

1,402

 

2023

 

 

8

 

Thereafter

 

 

1,280

 

 

 

$

2,711