Long-Term Financing Receivables (Tables)

6 Months Ended

Jun. 30, 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 June 30, 2018 and December 31, 2017.

(dollars in millions)	June 30, 2018		December 31, 2017
Long-term trade accounts receivable	$	71	$	973
Notes and leases receivable	435		424
Total long-term receivables	$	506	$	1,397