Diamond Acquisition - Schedule of Fair Value of Consideration Transferred (Details) - Diamond Acquisition $ / shares in Units, $ in Millions	Aug. 02, 2021 USD ($) $ / shares shares
Business Acquisition [Line Items]
HGV common stock shares issued for outstanding Diamond shares (in shares) \| shares	33.93
HGV common stock price as of Acquisition Date (in dollars per share) \| $ / shares	$ 40.71
Stock purchase price	$ 1,381
Repayment of Legacy-Diamond debt	2,029
Total consideration transferred	$ 3,410

Business combination consideration transferred repayment of legacy diamond debt.

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- Definition

Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition.

+ References

No definition available.

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)(4)
-URI https://asc.fasb.org/extlink&oid=126975305&loc=d3e6927-128479

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination.

+ References

No definition available.

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 8
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-Section 50
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