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Long-Term Financing Receivables (Tables) | 6 Months Ended
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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 |

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- Definition Tabular disclosure of financing receivables by credit quality indicator. The credit quality indicator is a statistic about the credit quality of financing receivables. Examples include, but not limited to, consumer credit risk scores, credit-rating-agency ratings, an entity's internal credit risk grades, loan-to-value ratios, collateral, collection experience and other internal metrics. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 29 -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953659-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 55 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=82894031&loc=SL6953803-111525 + Details
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