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Cash and Equivalents (Tables)
6 Months Ended
Jun. 30, 2021
Cash and Cash Equivalents [Abstract]  
Schedule of components of our cash and equivalents balance
The components of our cash and equivalents balance are as follows:
 June 30, 2021
Dollars in millionsInternational (a)Domestic (b)Total
Operating cash and equivalents$245 $95 $340 
Short-term investments (c)12 — 12 
Cash and equivalents held in consolidated joint ventures and Aspire Defence subcontracting entities131 — 131 
Total$388 $95 $483 

 December 31, 2020
Dollars in millionsInternational (a)Domestic (b)Total
Operating cash and equivalents$228 $54 $282 
Short-term investments (c)— 
Cash and equivalents held in consolidated joint ventures and Aspire Defence subcontracting entities151 — 151 
Total$382 $54 $436 
(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.