Percentage of capital contributed to capital committed by investment company's investors.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 205
-Name Accounting Standards Codification
-Section 50
-Paragraph 25
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480737/946-205-50-25

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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

+ Details

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- Definition

Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Amount of commitment classified as other to be paid after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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Period Type:	instant

- Definition

Amount of commitment classified as other to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Amount of commitment classified as other to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of commitment classified as other to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of commitment classified as other to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of commitment classified as other to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Commitments And Contingencies [Line Items]

+ References

No definition available.

+ Details

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- Definition

Initial Term of Employment Agreement

+ References

No definition available.

+ Details

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Namespace Prefix:	wynn_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Other Commitment, Gaming Premium, Average Gross Machine Gaming Revenue, Minimum

+ References

No definition available.

+ Details

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Namespace Prefix:	wynn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Other Commitment, Gaming Premium, Average Gross Table Gaming Revenue, Minimum

+ References

No definition available.

+ Details

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Namespace Prefix:	wynn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Other Commitment, Percentage Of Commitment Increase

+ References

No definition available.

+ Details

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Namespace Prefix:	wynn_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Other Commitment, Special Gaming Tax, Percentage Of Gross Revenue

+ References

No definition available.

+ Details

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Namespace Prefix:	wynn_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Other Commitment, Special Levies, Percentage Of Gross Revenue

+ References

No definition available.

+ Details

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Data Type:	dtr-types1:percentItemType
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Period Type:	instant

- Definition

Other Commitment, Term

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

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Commitments and Contingencies - Additional Information (Details) MOP$ in Thousands, $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2023	Dec. 31, 2023 USD ($)	Dec. 31, 2023 MOP (MOP$)
Commitments And Contingencies [Line Items]
Other commitment		$ 639,208
Percentage of gross revenue		35.00%	35.00%
Contributed capital percentage		20.00%
2024		$ 320,474
2025		104,317
2026		43,598
2027		32,326
2028		28,152
Thereafter		110,341
Letter of credit outstanding		$ 13,500
Minimum
Commitments And Contingencies [Line Items]
Term of employment agreement		3 years
Maximum
Commitments And Contingencies [Line Items]
Term of employment agreement		5 years
Island 3 AMI FZ-LLC
Commitments And Contingencies [Line Items]
Percentage of ownership		40.00%	40.00%
Macau Gaming and Non-Gaming Investments \| Wynn Macau SA
Commitments And Contingencies [Line Items]
Other commitment		$ 2,200,000	MOP$ 17,730,000
Other commitment, term	10 years	10 years
Macau Non-Gaming Capital Projects \| Wynn Macau SA
Commitments And Contingencies [Line Items]
Other commitment		$ 2,050,000	MOP$ 16,500,000
Percentage of commitment increase		20.00%	20.00%
Macau Non-Gaming Capital Projects \| Wynn Macau SA \| Scenario One
Commitments And Contingencies [Line Items]
Other commitment		$ 22,360,000	MOP$ 180,000,000
Macau Non-Gaming Capital Projects \| Wynn Macau SA \| Scenario Two
Commitments And Contingencies [Line Items]
Other commitment		409,900	3,300,000
Macau Gaming Concession \| Wynn Macau SA
Commitments And Contingencies [Line Items]
Gaming premium, average gross table gaming revenue, minimum		900	7,000
Gaming premium, average gross machine gaming revenue, minimum		$ 37	MOP$ 300
Special levies, reduction of payables, percentage of gross revenue		5.00%	5.00%
Employment Contracts
Commitments And Contingencies [Line Items]
2024		$ 97,000
2025		66,100
2026		25,100
2027		6,800
2028		2,100
Thereafter		$ 2,700