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Cash and Equivalents (Tables)
 9 Months Ended
Sep. 30, 2016
Cash and Cash Equivalents [Abstract]  
Schedule of Cash and Cash Equivalents
The components of our cash and equivalents balance are as follows:
 
September 30, 2016
Dollars in millions
International (a)
 
Domestic (b)
 
Total
Operating cash and equivalents
$
129

 
$
190

 
$
319

Short-term investments (c)
193

 
5

 
198

Cash and equivalents held in joint ventures
47

 
5

 
52

Total
$
369

 
$
200

 
$
569


 
December 31, 2015
Dollars in millions
International (a)
 
Domestic (b)
 
Total
Operating cash and equivalents
$
177

 
$
253

 
$
430

Short-term investments (c)
293

 
107

 
400

Cash and equivalents held in joint ventures
49

 
4

 
53

Total
$
519

 
$
364

 
$
883

 
(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.