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THE SPIN-OFF, SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND OTHER (Tables)
12 Months Ended
Dec. 31, 2015
THE SPIN-OFF, SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND OTHER  
Summary of the activity of capitalized exploratory well costs

 

 

 

2015

 

2014

 

2013

 

 

 

 

 

(in millions)

 

 

 

Balance - Beginning of Year

 

$

4

 

$

18

 

$

18

 

Additions to capitalized exploratory well costs pending the determination of proved reserves

 

16

 

3

 

46

 

Reclassification to property, plant and equipment based on the determination of proved reserves

 

(5)

 

(8)

 

(31)

 

Capitalized exploratory well costs charged to expense

 

(9)

 

(9)

 

(15)

 

 

 

 

 

 

 

 

 

Balance - End of Year

 

$

6

 

$

4

 

$

18

 

 

 

 

 

 

 

 

 

 

 

 

 

Summary of the activity of the asset retirement obligation

 

 

 

For the years ended
December 31,

 

 

 

2015

 

2014

 

 

 

(in millions)

 

Beginning balance

 

$

415

 

$

415

 

Liabilities incurred - capitalized to PP&E

 

7

 

19

 

Liabilities settled and paid

 

(18)

 

(29)

 

Accretion expense

 

20

 

22

 

Acquisitions, disposition and other - changes in PP&E

 

 

22

 

Revisions to estimated cash flows - changes in PP&E

 

(67)

 

(34)

 

 

 

 

 

 

 

Ending balance

 

$

357

 

$

415