XML 70 R52.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Summary of Accounting Principles (Long-Term Receivables) (Details) - USD ($) $ in Millions | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Financing Receivable, Recorded Investment [Line Items] |  |
Total Long Term Receivable | $ 1,397 | $ 1,356
Percentage Long Term Receivables High Credit Risk | 11.00% | 13.00%
Financing Receivable, Reserve for Credit Losses and Exposure, Individually Evaluated For Impairment | $ 17 | $ 17
Long-term Trade Accounts Receivable [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Long Term Receivable | 973 | 926
Notes and Leases Receivable [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Total Long Term Receivable | $ 424 | $ 430

X
- 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
Name: | us-gaap_FinancingReceivableRecordedInvestmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Net amount of the investment in a contractual right to receive money on demand or on fixed or determinable dates that is recognized as an asset in the creditor's statement of financial position. Examples include, but are not limited to, credit card receivables, notes receivable and receivables relating to lessor's rights to payments from leases other than operating leases that have been recorded as assets. Excludes trade accounts receivable with contractual maturity of one year or less and arose from the sale of goods or services. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_NotesReceivableNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The reserve for credit losses and exposure for financing receivables that are expected to be uncollectible that were individually evaluated for impairment. + References No definition available. + Details
Name: | utx_FinancingReceivableReserveForCreditLossesAndExposureIndividuallyEvaluatedForImpairment
Namespace Prefix: | utx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The percentage of long-term receivables that are considered to bear high credit risk based upon the customer credit ratings. + References No definition available. + Details
Name: | utx_PercentageLongTermReceivablesHighCreditRisk
Namespace Prefix: | utx_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=utx_LongTermTradeAccountsReceivableFinancingReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=utx_NotesAndLeasesReceivableFinancingReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |