XML 53 R41.htm IDEA: XBRL DOCUMENT v3.4.0.3
Impairments (Tables)
3 Months Ended
Mar. 31, 2016
Asset Impairment Charges [Abstract]  
Details of Impairment of Long-Lived Assets Held and Used by Asset
A summary of our impairments of fixed assets by asset class and other charges for the Current Quarter and the Prior Quarter is as follows:
 
 
Three Months Ended
March 31,
 
 
2016
 
2015
 
 
($ in millions)
Natural gas compressors
 
$
20

 
$

Buildings and land
 
7

 

Other
 
11

 
4

Total impairments of fixed assets and other
 
$
38

 
$
4