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Loans Payable And Other Financial Liabilities - Capped Call Trading Date (Details) - USD ($) $ in Millions	Jan. 31, 2021	Nov. 30, 2020	Aug. 31, 2020	Jun. 30, 2020	Nov. 30, 2019	Jun. 30, 2019	Nov. 30, 2018	Aug. 31, 2018
2028 Notes | Convertible Senior Notes
Debt Instrument [Line Items]
Amount paid to enter into capped call transactions	$ 101	$ 120	$ 83	$ 104	$ 8	$ 88	$ 11	$ 92

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- Definition

Amount of the fee that accompanies borrowing money under the debt instrument.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(b))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

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+ References

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