XML 42 R27.htm IDEA: XBRL DOCUMENT v3.8.0.1
Property And Equipment (Tables)
12 Months Ended
Dec. 31, 2017
Property, Plant and Equipment [Abstract]  
Schedule Of Property And Equipment
Property and equipment as of December 31, 2017 and 2016 consisted of the following (in millions):
 
 
2017
 
2016
Drilling rigs and equipment
 
$
12,272.4

 
$
11,067.4

Other
 
183.4

 
180.8

Work in progress
 
2,876.3

 
1,744.3

 
 
$
15,332.1

 
$
12,992.5