Date when an entity was incorporated

No definition available.

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Namespace Prefix:	dei_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

State or Country Name where an entity is incorporated

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Number of shares of equity interests issued or issuable to acquire entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)(4)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Details

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Namespace Prefix:
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- Details

Name:	us-gaap_TitleOfIndividualAxis=egrn_HarpreetSanghaMember
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- Details

Name:	us-gaap_TitleOfIndividualAxis=egrn_RichardSpechtMember
Namespace Prefix:
Data Type:	na
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- Details

Name:	dei_LegalEntityAxis=egrn_EvergreenSystemsMember
Namespace Prefix:
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NATURE OF OPERATIONS (Details Narrative) - shares	1 Months Ended	2 Months Ended	3 Months Ended	6 Months Ended
NATURE OF OPERATIONS (Details Narrative) - shares	Nov. 19, 2013	Nov. 19, 2013	Nov. 19, 2013	Jun. 30, 2017
State or country of incorporation				Nevada
Date of incorporation				Jun. 13, 2008
Rene Hamouth [Member]
Business acquisition shares issued		20,000,000
Harpreet Sangha
Common stock shares issued for services	19,600,000
Richard Specht [Member]
Common stock shares issued for services			1,000,000
Evergreen Systems [Member] \| Rene Hamouth [Member]
Ownership percentage	100.00%	100.00%	100.00%