Stock Incentive Plan - Summary of Stock Options Activity (Details)	6 Months Ended
Dec. 31, 2018 shares
SOs
Outstanding at December 31, 2017 (in shares)	355,646,000,000
Exercised (in shares)	(30,062,000,000)
Cancelled/Forfeited/Expired (in shares)	0
Outstanding at December 31, 2018 (in shares)	325,584,000,000

For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

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- Definition

Number of options outstanding, including both vested and non-vested options.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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- Definition

Number of share options (or share units) exercised during the current period.

+ References

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