Face (par) amount of debt instrument at time of issuance.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
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-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

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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.

+ Details

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- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph e
-URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823

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- Definition

Percentage of principal amount of debt redeemed.

+ References

No definition available.

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- Definition

Debt Instrument, Anticipated Payment for Debt Extinguishment or Debt Prepayment Cost

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Covenant, Required Redemption, Minimum Consecutive Period

+ References

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- Definition

Debt Instrument, Event of Default, Failure to Pay Unfavorable Judgements, Maximum Allowable Amount

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Debt Instrument, Redemption Percentage, Redeemable From Cash Proceeds From Equity Offerings, Maximum

+ References

No definition available.

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- Definition

Payment Default Classification Period For Interest Payment

+ References

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Period Type:	duration

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Long-Term Debt - 5 1/8% Senior Notes Due 2029 (Details) - USD ($)			12 Months Ended
	Dec. 17, 2019	Sep. 20, 2017	Dec. 31, 2019
Senior Notes \| Wynn Macau, Limited
Debt Instrument [Line Items]
Debt redemption price as percentage of principal		100.00%
Senior Notes \| Wynn Macau, Limited \| Redemption period one
Debt Instrument [Line Items]
Redemption percentage, redeemable from cash proceeds from equity offerings		35.00%
Senior Notes \| Wynn Macau, Limited \| Redemption period two
Debt Instrument [Line Items]
Debt redemption price as percentage of principal		100.00%
Senior Notes \| Wynn Macau, Limited \| Redemption period three
Debt Instrument [Line Items]
Debt redemption price as percentage of principal		101.00%
Senior Notes \| Wynn Macau, Limited \| Redemption period four
Debt Instrument [Line Items]
Debt redemption price as percentage of principal		100.00%
Senior Notes \| Wynn Macau, Limited \| Change of control
Debt Instrument [Line Items]
Debt redemption price as percentage of principal		100.00%
WRF 5 1/8% Senior Notes, due 2029 \| Senior Notes \| Wynn Macau, Limited
Debt Instrument [Line Items]
Debt instrument, aggregate principal amount	$ 1,000,000,000.0
Redemption percentage, redeemable from cash proceeds from equity offerings	35.00%
Payment default classification period for interest payment	30 days
Event of default, failure to pay unfavorable judgements, maximum allowable amount	$ 50,000,000
WRF 5 1/8% Senior Notes, due 2029 \| Senior Notes \| Wynn Macau, Limited \| Redemption period one
Debt Instrument [Line Items]
Debt redemption price as percentage of principal	105.125%
WRF 5 1/8% Senior Notes, due 2029 \| Senior Notes \| Wynn Macau, Limited \| Redemption period two
Debt Instrument [Line Items]
Debt redemption price as percentage of principal	100.00%
WRF 5 1/8% Senior Notes, due 2029 \| Senior Notes \| Wynn Macau, Limited \| Redemption period three
Debt Instrument [Line Items]
Debt redemption price as percentage of principal	102.563%
WRF 5 1/8% Senior Notes, due 2029 \| Senior Notes \| Wynn Macau, Limited \| Redemption period four
Debt Instrument [Line Items]
Debt redemption price as percentage of principal	100.00%
WRF 5 1/8% Senior Notes, due 2029 \| Senior Notes \| Wynn Macau, Limited \| Change of control
Debt Instrument [Line Items]
Debt redemption price as percentage of principal	101.00%
WRF 5 1/8% Senior Notes, due 2029 \| Senior Notes \| Wynn Macau, Limited \| Change in tax laws or tax positions
Debt Instrument [Line Items]
Debt redemption price as percentage of principal	100.00%
WRF 5 1/8% Senior Notes, due 2029 \| Senior Notes \| Wynn Macau, Limited \| Material adverse effect on the financial condition due to licenses, permits, and concessions
Debt Instrument [Line Items]
Debt redemption price as percentage of principal	100.00%
Minimum number of consecutive days	10 days
Senior Term Loan Facility, Due 2022 \| Secured Debt \| Wynn Macau
Debt Instrument [Line Items]
Amount intended to prepay			$ 1,000,000,000.0