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Cash and Equivalents (Tables)
3 Months Ended
Mar. 31, 2019
Cash and Cash Equivalents [Abstract]  
Components of our cash and equivalents balance The components of our cash and equivalents balance are as follows:
 
March 31, 2019
Dollars in millions
International (a)
 
Domestic (b)
 
Total
Operating cash and equivalents
$
140

 
$
105

 
$
245

Short-term investments (c)
62

 
47

 
109

Cash and equivalents held in consolidated joint ventures and Aspire Defence subcontracting entities
350

 
4

 
354

Total
$
552

 
$
156

 
$
708


 
December 31, 2018
Dollars in millions
International (a)
 
Domestic (b)
 
Total
Operating cash and equivalents
$
123

 
$
104

 
$
227

Short-term investments (c)
87

 
107

 
194

Cash and equivalents held in consolidated joint ventures and Aspire Defence subcontracting entities
315

 
3

 
318

Total
$
525

 
$
214

 
$
739

 
(a)
Includes deposits held in non-U.S. operating accounts.
(b)
Includes U.S. dollar and foreign currency deposits held in operating accounts that constitute onshore cash for tax purposes but may reside either in the U.S. or in a foreign country.
(c)
Includes time deposits, money market funds, and other highly liquid short-term investments.