XML 35 R19.htm IDEA: XBRL DOCUMENT v3.7.0.1
Segment Information (Unaudited) (Tables)
 3 Months Ended
Mar. 31, 2017
Segment Reporting [Abstract]  
Sales and operating income by segment
The following table presents sales and operating income by segment:
 
Three Months Ended March 31
$ in millions
2017
 
2016
Sales
 
 
 
Aerospace Systems
$
2,898

 
$
2,574

Mission Systems
2,739

 
2,693

Technology Services
1,194

 
1,214

Intersegment eliminations
(564
)
 
(525
)
Total sales
6,267

 
5,956

Operating income
 
 
 
Aerospace Systems
312

 
286

Mission Systems
353

 
353

Technology Services
131

 
126

Intersegment eliminations
(70
)
 
(64
)
Total segment operating income
726

 
701

Net FAS/CAS pension adjustment
136

 
74

Unallocated corporate expenses
(29
)
 
(33
)
Other
(1
)
 
(3
)
Total operating income
$
832

 
$
739