Receivables (Tables)

9 Months Ended

Sep. 30, 2015

Receivables [Abstract]

Receivables

Receivables consisted of the following:

(dollars in millions)	September 30, 2015			December 31, 2014
Trade receivables	$	1,267		$	1,678
Costs and estimated earnings in excess of billings on uncompleted contracts	739			621
Other receivables	136			122
Allowance for doubtful accounts	(54		)	(32		)
Total receivables	$	2,088		$	2,389