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Debt (Tables)
9 Months Ended
Sep. 30, 2022
Debt  
Schedule of debt

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​

​

​

​

​

​

​

​

​

​

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Outstanding

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​

​

principal

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Carrying value

 

​

​

September 30,

​

September 30,

​

December 31,

 

​

        

2022

    

2022

        

2021

 

​

 

amounts in millions

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Margin Loan Facility

​

$

1,400

​

 

1,400

 

1,300

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2.75% Exchangeable Senior Debentures due 2050

​

 

575

​

 

553

 

585

​

1.25% Exchangeable Senior Debentures due 2050

​

​

825

​

​

780

​

818

​

1.75% Exchangeable Senior Debentures due 2046

​

​

15

​

​

15

​

25

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Senior notes

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600

​

 

628

 

632

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Senior credit facility

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398

​

 

398

 

399

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Wells Fargo note payable

​

 

5

​

 

5

 

6

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Deferred financing costs

​

 

​

​

 

(3)

 

(4)

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Total debt

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$

3,818

​

 

3,776

 

3,761

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Debt classified as current

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​

​

 

(3)

 

(28)

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Total long-term debt

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​

​

​

$

3,773

 

3,733

​