v3.3.1.900

Income Taxes Income Tax Loss and Tax Credit Carryforwards, State and Local, Net of Federal Tax Effect, By Expiration Dates (Details) - United States - State and local - Domestic Tax Authority [Member] $ in Millions | Dec. 31, 2015 USD ($)
--- | ---
2036 through 2040 [Member] |
Income Tax Loss and Tax Credit Carryforwards, State and Local, Net of Federal Tax Effect [Line Items] |
United States state and local deferred income tax assets for income tax loss carryforwards - net of federal tax | $ 0
United States and local income tax credit carryforwards - net of federal tax effect | 5
2031 through 2035 [Member] |
Income Tax Loss and Tax Credit Carryforwards, State and Local, Net of Federal Tax Effect [Line Items] |
United States state and local deferred income tax assets for income tax loss carryforwards - net of federal tax | 9
United States and local income tax credit carryforwards - net of federal tax effect | 3
2026 through 2030 [Member] |
Income Tax Loss and Tax Credit Carryforwards, State and Local, Net of Federal Tax Effect [Line Items] |
United States state and local deferred income tax assets for income tax loss carryforwards - net of federal tax | 12
United States and local income tax credit carryforwards - net of federal tax effect | 6
2021 through 2025 [Member] |
Income Tax Loss and Tax Credit Carryforwards, State and Local, Net of Federal Tax Effect [Line Items] |
United States state and local deferred income tax assets for income tax loss carryforwards - net of federal tax | 17
United States and local income tax credit carryforwards - net of federal tax effect | 10
2016 through 2020 [Member] |
Income Tax Loss and Tax Credit Carryforwards, State and Local, Net of Federal Tax Effect [Line Items] |
United States state and local deferred income tax assets for income tax loss carryforwards - net of federal tax | 7
United States and local income tax credit carryforwards - net of federal tax effect | 10
Not subject to expiration [Member] |
Income Tax Loss and Tax Credit Carryforwards, State and Local, Net of Federal Tax Effect [Line Items] |
United States state and local deferred income tax assets for income tax loss carryforwards - net of federal tax | 0
United States and local income tax credit carryforwards - net of federal tax effect | 0
Related valuation allowance [Member] |
Income Tax Loss and Tax Credit Carryforwards, State and Local, Net of Federal Tax Effect [Line Items] |
United States state and local deferred income tax assets for income tax loss carryforwards - net of federal tax | (18)
United States and local income tax credit carryforwards - net of federal tax effect | (16)
Related valuation allowance [Member] | After ASU 2013-11 [Member] |
Income Tax Loss and Tax Credit Carryforwards, State and Local, Net of Federal Tax Effect [Line Items] |
United States federal income tax loss carryforwards | (18)
United States and local income tax credit carryforwards - net of federal tax effect | (16)
2016 through 2020 [Member] | After ASU 2013-11 [Member] |
Income Tax Loss and Tax Credit Carryforwards, State and Local, Net of Federal Tax Effect [Line Items] |
United States federal income tax loss carryforwards | 0
United States and local income tax credit carryforwards - net of federal tax effect | 8
2021 through 2025 [Member] | After ASU 2013-11 [Member] |
Income Tax Loss and Tax Credit Carryforwards, State and Local, Net of Federal Tax Effect [Line Items] |
United States federal income tax loss carryforwards | 12
United States and local income tax credit carryforwards - net of federal tax effect | 9
2026 through 2030 [Member] | After ASU 2013-11 [Member] |
Income Tax Loss and Tax Credit Carryforwards, State and Local, Net of Federal Tax Effect [Line Items] |
United States federal income tax loss carryforwards | 12
United States and local income tax credit carryforwards - net of federal tax effect | 6
2031 through 2035 [Member] | After ASU 2013-11 [Member] |
Income Tax Loss and Tax Credit Carryforwards, State and Local, Net of Federal Tax Effect [Line Items] |
United States federal income tax loss carryforwards | 9
United States and local income tax credit carryforwards - net of federal tax effect | 2
2036 through 2040 [Member] | After ASU 2013-11 [Member] |
Income Tax Loss and Tax Credit Carryforwards, State and Local, Net of Federal Tax Effect [Line Items] |
United States federal income tax loss carryforwards | 0
United States and local income tax credit carryforwards - net of federal tax effect | 5
Not subject to expiration [Member] | After ASU 2013-11 [Member] |
Income Tax Loss and Tax Credit Carryforwards, State and Local, Net of Federal Tax Effect [Line Items] |
United States federal income tax loss carryforwards | 0
United States and local income tax credit carryforwards - net of federal tax effect | $ 0

X
- Definition Income Tax Loss and Tax Credit Carryforwards, State and Local, Net of Federal Tax Effect [Line Items] + References No definition available. + Details
Name: | etn_IncomeTaxLossAndTaxCreditCarryforwardsStateAndLocalNetOfFederalTaxEffectLineItems
Namespace Prefix: | etn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=51675352&loc=d3e28680-109314 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 + Details
Name: | us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible state and local operating loss carryforwards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=51675352&loc=d3e28680-109314 + Details
Name: | us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Carryforwards -URI http://asc.fasb.org/extlink&oid=6506874 + Details
Name: | us-gaap_TaxCreditCarryforwardAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_IncomeTaxAuthorityNameAxis=us-gaap_StateAndLocalJurisdictionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | etn_IncomeTaxLossAndTaxCreditCarryforwardsStateAndLocalNetOfFederalTaxEffectAxis=etn_A2036through2040Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=us-gaap_DomesticCountryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | etn_IncomeTaxLossAndTaxCreditCarryforwardsStateAndLocalNetOfFederalTaxEffectAxis=etn_A2031through2035Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | etn_IncomeTaxLossAndTaxCreditCarryforwardsStateAndLocalNetOfFederalTaxEffectAxis=etn_A2026through2030Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | etn_IncomeTaxLossAndTaxCreditCarryforwardsStateAndLocalNetOfFederalTaxEffectAxis=etn_A2021through2025Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | etn_IncomeTaxLossAndTaxCreditCarryforwardsStateAndLocalNetOfFederalTaxEffectAxis=etn_A2016through2020Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | etn_IncomeTaxLossAndTaxCreditCarryforwardsStateAndLocalNetOfFederalTaxEffectAxis=etn_NotSubjectToExpirationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | etn_IncomeTaxLossAndTaxCreditCarryforwardsStateAndLocalNetOfFederalTaxEffectAxis=etn_RelatedValuationAllowanceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | etn_OperatingLossAndTaxCreditCarryForwardByExpirationDatesAxis=etn_RelatedValuationAllowanceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | etn_DeferredTaxAssetsOperatingLossCarryforwardsAxis=etn_AfterASU201311Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | etn_OperatingLossAndTaxCreditCarryForwardByExpirationDatesAxis=etn_A2016through2020Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | etn_OperatingLossAndTaxCreditCarryForwardByExpirationDatesAxis=etn_A2021through2025Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | etn_OperatingLossAndTaxCreditCarryForwardByExpirationDatesAxis=etn_A2026through2030Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | etn_OperatingLossAndTaxCreditCarryForwardByExpirationDatesAxis=etn_A2031through2035Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | etn_OperatingLossAndTaxCreditCarryForwardByExpirationDatesAxis=etn_A2036through2040Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | etn_OperatingLossAndTaxCreditCarryForwardByExpirationDatesAxis=etn_NotSubjectToExpirationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |