Long-Term Financing Receivables (Tables)

3 Months Ended

Mar. 31, 2018

Receivables [Abstract]

Financing Receivable Credit Quality Indicators [Table Text Block]

The following table summarizes the balance by class of aerospace business related long-term receivables as of March 31, 2018 and December 31, 2017.

(dollars in millions)	March 31, 2018		December 31, 2017
Long-term trade accounts receivable	$	74	$	973
Notes and leases receivable	423		424
Total long-term receivables	$	497	$	1,397