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Drilling Fleet (Tables)
 9 Months Ended
Sep. 30, 2016
Drilling Fleet  
Changes in our construction work in progress, including capital expenditures and capitalized interest

For the nine months ended September 30, 2016 and 2015, the changes in our construction work in progress, including capital expenditures and other capital additions, were as follows (in millions):

 

 

 

 

 

 

 

 

 

 

Nine months ended

 

 

 

September 30, 

 

 

    

2016

    

2015

 

Construction work in progress, at beginning of period

 

$
3,736

 

$
2,451

 

 

 

 

 

 

 

 

 

Capital expenditures

 

 

 

 

 

 

 

Newbuild construction program

 

 
959

 

 
1,054

 

Other equipment and construction projects

 

 
113

 

 
282

 

Total capital expenditures

 

 
1,072

 

 
1,336

 

Changes in accrued capital additions

 

 
(90)

 

 
(57)

 

Impairment of construction work in progress

 

 

 —

 

 
(52)

 

 

 

 

 

 

 

 

 

Property and equipment placed into service

 

 

 

 

 

 

 

Newbuild construction program

 

 
(1,672)

 

 

 —

 

Other property and equipment

 

 
(203)

 

 
(398)

 

Construction work in progress, at end of period

 

$
2,843

 

$
3,280