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Acquisition, Dispositions, Goodwill and Other Intangible Assets (Goodwill) (Details) $ in Millions | 6 Months Ended
--- | ---
Jun. 30, 2018 USD ($)
Goodwill [Line Items] |
Goodwill - Beginning Balance | $ 27,910
Goodwill Resulting from Business Combinations | 63
Goodwill - Foreign Currency Translation and Other | (274)
Goodwill - Ending Balance | 27,699
Taylor Company [Member] |
Goodwill [Line Items] |
Goodwill - Foreign Currency Translation and Other | 150
Otis [Member] |
Goodwill [Line Items] |
Goodwill - Beginning Balance | 1,737
Goodwill Resulting from Business Combinations | 5
Goodwill - Foreign Currency Translation and Other | (34)
Goodwill - Ending Balance | 1,708
UTC Climate, Controls & Security [Member] |
Goodwill [Line Items] |
Goodwill - Beginning Balance | 10,009
Goodwill Resulting from Business Combinations | 1
Goodwill - Foreign Currency Translation and Other | (211)
Goodwill - Ending Balance | 9,799
Pratt & Whitney [Member] |
Goodwill [Line Items] |
Goodwill - Beginning Balance | 1,511
Goodwill Resulting from Business Combinations | 57
Goodwill - Foreign Currency Translation and Other | (3)
Goodwill - Ending Balance | 1,565
UTC Aerospace Systems [Member] |
Goodwill [Line Items] |
Goodwill - Beginning Balance | 14,650
Goodwill Resulting from Business Combinations | 0
Goodwill - Foreign Currency Translation and Other | (26)
Goodwill - Ending Balance | 14,624
Total Segments [Member] |
Goodwill [Line Items] |
Goodwill - Beginning Balance | 27,907
Goodwill Resulting from Business Combinations | 63
Goodwill - Foreign Currency Translation and Other | (274)
Goodwill - Ending Balance | 27,696
Eliminations and other [Member] |
Goodwill [Line Items] |
Goodwill - Beginning Balance | 3
Goodwill Resulting from Business Combinations | 0
Goodwill - Foreign Currency Translation and Other | 0
Goodwill - Ending Balance | $ 3

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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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