XML 81 R63.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Commercial Aerospace Industry Assets and Commitments (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
Accounts Notes And Loans Receivable [Line Items] |  |
Unbilled Contracts Receivable | $ 2,770 | $ 2,786
Commercial Aerospace [Member] |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Guarantee Obligations Maximum Exposure | 336 | 348
Commercial Aerospace [Member] |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Accounts, Notes, Loans and Financing Receivable, gross | 9,477 | 7,222
Products Under Lease | 1,913 | 939
Notes and leases receivable, total committed | 652 | 497
Commercial Aerospace financing and other contractual commitments | 15,300 |
Notes and leases receivable within one year | 211 |
Notes and leases receivable within two years | 56 |
Notes and leases receivable within three years | 79 |
Notes and leases receivable within four years | 38 |
Notes and leases receivable within five years | 35 |
Notes and leases receivable after five years | 233 |
Commercial aerospace financing commitments, total committed | 4,012 |
Commercial aerospace financing commitments within one year | 371 |
Commercial aerospace financing commitments within two years | 678 |
Commercial aerospace financing commitments within three years | 636 |
Commercial aerospace financing commitments within four years | 891 |
Commercial aerospace financing commitments within five years | 783 |
Commercial aerospace financing commitments after five years | 653 |
Other commercial aerospace commitments, total committed | 11,270 |
Other commercial aerospace commitments within one year | 910 |
Other commercial aerospace commitments within two years | 840 |
Other commercial aerospace commitments within three years | 684 |
Other commercial aerospace commitments within four years | 735 |
Other commercial aerospace commitments within five years | 645 |
Other commercial aerospace commitments after five years | 7,456 |
Collaboration partners' share, total committed | 5,109 |
Collaboration partners' share within one year | 374 |
Collaboration partners' share within two years | 402 |
Collaboration partners' share within three years | 396 |
Collaboration partners' share within four years | 525 |
Collaboration partners' share within five years | 491 |
Collaboration partners' share after five years | 2,921 |
Total commercial commitments, total committed | 10,173 |
Total commercial commitments within one year | 907 |
Total commercial commitments within two years | 1,116 |
Total commercial commitments within three years | 924 |
Total commercial commitments within four years | 1,101 |
Total commercial commitments within five years | 937 |
Total commercial commitments after five years | 5,188 |
Unbilled Contracts Receivable | 1,109 | 1,169
Deferred Revenue | 5,048 | 4,288
Allowance for Receivables and Other Financing Assets | 175 | 173
Financing Commitments and Guarantees Reserve | 23 | 36
Goodrich Corporation [Member] |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Contractual Obligation | 986 |
Contractual Obligation, Consumed in Current Year | 217 | $ 213
Contractual Obligation, Due in Next Fiscal Year | 257 |
Contractual Obligation, Due in Second Year | 229 |
Contractual Obligation, Due in Third Year | 150 |
Contractual Obligation, Due in Fourth Year | 84 |
Contractual Obligation, Due in Fifth Year | 37 |
Contractual Obligation, Due after Fifth Year | $ 229 |

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_AccountsNotesAndLoansReceivableLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition For an unclassified balance sheet, a valuation allowance for receivables due a company that are expected to be uncollectible. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5074-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_AllowanceForDoubtfulAccountsReceivable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments. + References No definition available. + Details
Name: | us-gaap_ContractualObligation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of contractual obligation due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
Name: | us-gaap_ContractualObligationDueAfterFifthYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of contractual obligation due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
Name: | us-gaap_ContractualObligationDueInFifthYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of contractual obligation due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
Name: | us-gaap_ContractualObligationDueInFourthYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of contractual obligation due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
Name: | us-gaap_ContractualObligationDueInNextTwelveMonths
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of contractual obligation due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
Name: | us-gaap_ContractualObligationDueInSecondYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of contractual obligation due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
Name: | us-gaap_ContractualObligationDueInThirdYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of deferred revenue as of balance sheet date. Deferred revenue represents collections of cash or other assets related to a revenue producing activity for which revenue has not yet been recognized. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 13.A.3) -URI http://asc.fasb.org/extlink&oid=65893310&loc=d3e214044-122780 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 13.A.4(a).Q1) -URI http://asc.fasb.org/extlink&oid=65893310&loc=d3e214044-122780 + Details
Name: | us-gaap_DeferredRevenue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The fair value of financial liabilities, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13433-108611 + Details
Name: | us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=82913245&loc=d3e12069-110248 + Details
Name: | us-gaap_GuaranteeObligationsMaximumExposure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount representing an agreement for an unconditional promise by the maker to pay the entity (holder) a definite sum of money at a future date. Such amount may include accrued interest receivable in accordance with the terms of the note. The note also may contain provisions and related items including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among a myriad of other features and characteristics. Excludes amounts related to receivables held-for-sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.10(3)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_NotesReceivableGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. + References No definition available. + Details
Name: | us-gaap_OtherCommitment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Minimum amount of other commitment maturing after the fifth fiscal year following the latest fiscal year for commitments not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in this taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. + References No definition available. + Details
Name: | us-gaap_OtherCommitmentDueAfterFifthYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Minimum amount of other commitment maturing in the fifth fiscal year following the latest fiscal year for commitments not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in this taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. + References No definition available. + Details
Name: | us-gaap_OtherCommitmentDueInFifthYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Minimum amount of other commitment maturing in the fourth fiscal year following the latest fiscal year for commitments not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in this taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. + References No definition available. + Details
Name: | us-gaap_OtherCommitmentDueInFourthYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Minimum amount of other commitment maturing in the next fiscal year following the latest fiscal year for commitments not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in this taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. + References No definition available. + Details
Name: | us-gaap_OtherCommitmentDueInNextTwelveMonths
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Minimum amount of other commitment maturing in the second fiscal year following the latest fiscal year for commitments not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in this taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. + References No definition available. + Details
Name: | us-gaap_OtherCommitmentDueInSecondYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Minimum amount of other commitment maturing in the third fiscal year following the latest fiscal year for commitments not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in this taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. + References No definition available. + Details
Name: | us-gaap_OtherCommitmentDueInThirdYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Unbilled amounts due for services rendered or to be rendered, actions taken or to be taken, or a promise to refrain from taking certain actions in accordance with the terms of a legally binding agreement between the entity and, at a minimum, one other party. An example would be amounts associated with contracts or programs where the recognized revenue for performance thereunder exceeds the amounts billed under the terms thereof as of the date of the balance sheet. + 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(c)(3)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 912 -SubTopic 310 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=68054760&loc=d3e55302-109406 + Details
Name: | us-gaap_UnbilledContractsReceivable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition For an unclassified balance sheet, amounts due from customers or clients for goods or services that have been delivered or sold in the normal course of business,and amount representing an agreement for an unconditional promise by the maker to pay the Company (holder) a definite sum of money at a future date(s). Such amount may include accrued interest receivable in accordance with the terms of the note. The note also may contain provisions and related items including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among myriad other features and characteristics. + References No definition available. + Details
Name: | utx_AccountsNotesLoansAndFinancingReceivableGross
Namespace Prefix: | utx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Partner share on Commercial aerospace financing and other commitments, as well as Notes and Leases Receivable, total disclosed. + References No definition available. + Details
Name: | utx_Collaborationpartnershare
Namespace Prefix: | utx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition For notes and leases having an initial or remaining terms in excess of one year, commitments exercisable after the fifth year of the balance sheet date relating to leases and notes. + References No definition available. + Details
Name: | utx_Collaborationpartnershareafterfiveyears
Namespace Prefix: | utx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Partner share on Commercial aerospace financing and other commitments, as well as Notes and Leases Receivable, due within one year. + References No definition available. + Details
Name: | utx_Collaborationpartnersharecurrent
Namespace Prefix: | utx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Partner share on Commercial aerospace financing and other commitments, as well as Notes and Leases Receivable, maturing in the fifth fiscal year following the latest fiscal year. + References No definition available. + Details
Name: | utx_Collaborationpartnersharefiveyears
Namespace Prefix: | utx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Partner share on Commercial aerospace financing and other commitments, as well as Notes and Leases Receivable, maturing in the fourth fiscal year following the latest fiscal year. + References No definition available. + Details
Name: | utx_Collaborationpartnersharefouryears
Namespace Prefix: | utx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Partner share on Commercial aerospace financing and other commitments, as well as Notes and Leases Receivable, maturing in the third fiscal year following the latest fiscal year. + References No definition available. + Details
Name: | utx_Collaborationpartnersharethreeyears
Namespace Prefix: | utx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Partner share on Commercial aerospace financing and other commitments, as well as Notes and Leases Receivable, maturing in the second fiscal year following the latest fiscal year. + References No definition available. + Details
Name: | utx_Collaborationpartnersharetwoyears
Namespace Prefix: | utx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition For total commercial aerospace commitments, including commercial aerospace financing and other commitments, net of partner share. + References No definition available. + Details
Name: | utx_CommercialaerospacecommitmentsTotal
Namespace Prefix: | utx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Total amount of commercial aerospace financing commitments disclosed. Excludes Notes and Leases Receivable, Other, and Partner Share. + References No definition available. + Details
Name: | utx_Commercialaerospacefinancingcommitment
Namespace Prefix: | utx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Commercial aerospace financing commitments maturing after the fifth fiscal year following the latest fiscal year. Excludes Notes and Leases Receivable, Other, and Partner Share. + References No definition available. + Details
Name: | utx_Commercialaerospacefinancingcommitmentafterfiveyears
Namespace Prefix: | utx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Commercial aerospace financing commitments due within one year. Excludes Notes and Leases Receivable, Other, and Partner Share. + References No definition available. + Details
Name: | utx_Commercialaerospacefinancingcommitmentcurrent
Namespace Prefix: | utx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Commercial aerospace financing commitments maturing in the fifth fiscal year following the latest fiscal year. Excludes Notes and Leases Receivable, Other, and Partner Share. + References No definition available. + Details
Name: | utx_Commercialaerospacefinancingcommitmentfiveyears
Namespace Prefix: | utx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Commercial aerospace financing commitments maturing in the fourth fiscal year following the latest fiscal year. Excludes Notes and Leases Receivable, Other, and Partner Share. + References No definition available. + Details
Name: | utx_Commercialaerospacefinancingcommitmentfouryears
Namespace Prefix: | utx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Commercial aerospace financing commitments maturing in the third fiscal year following the latest fiscal year. Excludes Notes and Leases Receivable, Other, and Partner Share. + References No definition available. + Details
Name: | utx_Commercialaerospacefinancingcommitmentsthreeyears
Namespace Prefix: | utx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Commercial aerosapce financing commitments maturing in the second fiscal year following the latest fiscal year. Excludes Notes and Leases Receivable, Other, and Partner Share. + References No definition available. + Details
Name: | utx_Commercialaerospacefinancingcommitmenttwoyears
Namespace Prefix: | utx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of contractual obligation consumed within the current fiscal year. + References No definition available. + Details
Name: | utx_ContractualObligationConsumedinCurrentYear
Namespace Prefix: | utx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Future payments receivable within one year of the balance sheet date on leases and notes. + References No definition available. + Details
Name: | utx_NotesAndLeasesFutureMinimumPaymentsReceivableCurrent
Namespace Prefix: | utx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Future payments receivable after the fifth year from the balance sheet date on leases and notes. + References No definition available. + Details
Name: | utx_NotesAndLeasesFutureMinimumPaymentsReceivableDueThereafter
Namespace Prefix: | utx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Future payments receivable within the fifth year of the balance sheet date on leases and notes. + References No definition available. + Details
Name: | utx_NotesAndLeasesFutureMinimumPaymentsReceivableInFiveYears
Namespace Prefix: | utx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Future payments receivable within the fourth year of the balance sheet date on leases and notes. + References No definition available. + Details
Name: | utx_NotesAndLeasesFutureMinimumPaymentsReceivableInFourYears
Namespace Prefix: | utx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Future payments receivable within the third year of the balance sheet date on leases and notes. + References No definition available. + Details
Name: | utx_NotesAndLeasesFutureMinimumPaymentsReceivableInThreeYears
Namespace Prefix: | utx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Future payments receivable within the second year of the balance sheet date on leases and notes. + References No definition available. + Details
Name: | utx_NotesAndLeasesFutureMinimumPaymentsReceivableInTwoYears
Namespace Prefix: | utx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Products under lease through customer financing arrangements. + References No definition available. + Details
Name: | utx_ProductsUnderLease
Namespace Prefix: | utx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Valuation allowance relating to the freestanding or embedded guarantor's obligations and rental commitments. + References No definition available. + Details
Name: | utx_ReserveGuaranteeObligationsAndRentalCommitments
Namespace Prefix: | utx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition For total commercial aerospace commitments, including commercial aerospace financing and other commitments, net of partner share, maturing after the fifth fiscal year following the latest fiscal year. + References No definition available. + Details
Name: | utx_Totalcommercialaerospacecommitmentsafterfiveyears
Namespace Prefix: | utx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition For total commercial aerospace commitments, including commercial aerospace financing and other commitments, net of partner share, due within one year + References No definition available. + Details
Name: | utx_Totalcommercialaerospacecommitmentscurrent
Namespace Prefix: | utx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition For total commercial aerospace commitments, including commercial aerospace financing and other commitments, net of partner share, maturing in the fifth fiscal year following the latest fiscal year. + References No definition available. + Details
Name: | utx_Totalcommercialaerospacecommitmentsfiveyears
Namespace Prefix: | utx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition For total commercial aerospace commitments, including commercial aerospace financing and other commitments, net of partner share, maturing in the fourth fiscal year following the latest fiscal year. + References No definition available. + Details
Name: | utx_Totalcommercialaerospacecommitmentsfouryears
Namespace Prefix: | utx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition For total commercial aerospace commitments, including commercial aerospace financing and other commitments, net of partner share, maturing in the third fiscal year following the latest fiscal year. + References No definition available. + Details
Name: | utx_Totalcommercialaerospacecommitmentsthreeyears
Namespace Prefix: | utx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition For total commercial aerospace commitments, including commercial aerospace financing and other commitments, net of partner share, maturing in the second fiscal year following the latest fiscal year. + References No definition available. + Details
Name: | utx_Totalcommercialaerospacecommitmentstwoyears
Namespace Prefix: | utx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_GuaranteeObligationsByNatureAxis=utx_CommercialAerospaceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ProductOrServiceAxis=utx_CommercialAerospaceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=utx_GoodrichCorporationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |