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Commercial Aerospace Industry Assets and Commitments (Tables) | 12 Months Ended
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Dec. 31, 2016
Other Commitments [Abstract] |
Commercial Aerospace Industry Assets and Commitments [Table Text Block] | The following is the expected maturity of commercial aerospace industry assets and commitments as of December 31, 2016:
(dollars in millions) | Committed |  | 2017 |  |  | 2018 |  |  | 2019 |  |  | 2020 |  |  | 2021 |  |  | Thereafter |
Notes and leases receivable | $ | 497 |  |  | $ | 51 |  |  | $ | 24 |  |  | $ | 47 |  |  | $ | 79 |  |  | $ | 32 |  |  | $ | 264 |
Commercial aerospace financing commitments | $ | 2,358 |  |  | $ | 435 |  |  | $ | 521 |  |  | $ | 416 |  |  | $ | 354 |  |  | $ | 287 |  |  | $ | 345 |
Other commercial aerospace commitments | 12,063 |  |  | 860 |  |  | 973 |  |  | 738 |  |  | 706 |  |  | 730 |  |  | 8,056 |
Collaboration partners' share | (4,608 | ) |  | (386 | ) |  | (479 | ) |  | (322 | ) |  | (271 | ) |  | (250 | ) |  | (2,900 | )
Total commercial commitments | $ | 9,813 |  |  | $ | 909 |  |  | $ | 1,015 |  |  | $ | 832 |  |  | $ | 789 |  |  | $ | 767 |  |  | $ | 5,501 |

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