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Trade and other receivables, net (Details) - USD ($)
$ in Millions
Jun. 30, 2020
Dec. 31, 2019
Trade and other receivables, net    
Billed $ 185 $ 211
Unbilled 80 100
Total trade receivables 265 311
Orbital receivables, current portion 44 43
Other 4 4
Allowance for doubtful accounts (1) (1)
Total trade and other receivables, net $ 312 $ 357