XML 64 R54.htm IDEA: XBRL DOCUMENT
v3.19.1

Income Taxes (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Mar. 31, 2019 | Dec. 31, 2018 | Mar. 31, 2018 | Mar. 31, 2019 | Mar. 31, 2018 | Sep. 30, 2018 | Sep. 30, 2017
Income Tax Disclosure [Abstract] |  |  |  |  |  |  |
Federal tax rate |  |  |  |  |  | 21.00% | 35.00%
Net income tax expense (benefit), tax reform |  |  |  |  | $ (43) | $ (189) |
Net income tax expense (benefit), tax reform, per diluted share |  |  |  |  | $ (0.07) | $ (0.30) |
One-time tax on deemed repatriation of accumulated foreign earnings, offset by unrecognized tax benefits |  | $ 100 |  |  |  |  |
Net income tax expense (benefit), tax reform final regulations on deemed repatriation | $ (13) |  |  |  |  |  |
Income taxes | $ 150 |  | $ 169 | $ 274 | $ 278 |  |
Effective income tax rate | 22.00% |  | 26.00% | 22.00% | 24.00% |  |
Favorable discrete items, percentage impact |  |  |  | 2.00% |  |  |

X
- Definition Favorable discrete items, percentage impact + References No definition available. + Details
Name: | emr_Favorablediscreteitemspercentageimpact
Namespace Prefix: | emr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Net income tax expense (benefit) of the Tax Cuts and Jobs Act (Dec 22. 2017 Tax Reform) + References No definition available. + Details
Name: | emr_Netincometaxexpensebenefittaxreform
Namespace Prefix: | emr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Net income tax expense (benefit), tax reform final regulations on deemed repatriation + References No definition available. + Details
Name: | emr_Netincometaxexpensebenefittaxreformfinalregulationsondeemedrepatriation
Namespace Prefix: | emr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Net income tax expense (benefit), tax reform, per diluted share + References No definition available. + Details
Name: | emr_Netincometaxexpensebenefittaxreformperdilutedshare
Namespace Prefix: | emr_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition One-time tax on deemed repatriation of accumulated foreign earnings, offset by unrecognized tax benefits + References No definition available. + Details
Name: | emr_Onetimetaxondeemedrepatriationofaccumulatedforeignearningsoffsetbyunrecognizedtaxbenefits
Namespace Prefix: | emr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(2)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319 + Details
Name: | us-gaap_EffectiveIncomeTaxRateContinuingOperations
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I) -URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319 + Details
Name: | us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_IncomeTaxDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 20 -Section 45 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109238882&loc=d3e38679-109324 + Details
Name: | us-gaap_IncomeTaxExpenseBenefit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration