XML 41 R29.htm IDEA: XBRL DOCUMENT v3.24.2.u1

Note 1 - Summary of Significant Accounting Policies (Details Textual) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)
Number of Gaming Entertainment Properties	28		28
Taxes, Other	$ 130.2	$ 129.7	$ 256.9	$ 259.8
Taxes Deposited Pursuant to the Online Collaborative Agreements	3.1	1.2	5.6	1.8
Deferred Tax Assets, Valuation Allowance		35.9		35.9
Online [Member]
Taxes Deposited Pursuant to the Online Collaborative Agreements	$ 103.5	$ 63.3	$ 219.5	$ 159.3

X

- Definition

The number of gaming entertainment properties.

+ References

No definition available.

+ Details

Name:	byd_NumberOfGamingEntertainmentProperties
Namespace Prefix:	byd_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Amount of tax expense classified as taxes deposited pursuant to the online collaborative agreements.

+ References

No definition available.

+ Details

Name:	byd_TaxesDepositedPursuantToTheOnlineCollaborativeAgreements
Namespace Prefix:	byd_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-2

+ Details

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

X

- Definition

Amount of tax expense classified as other.

+ References

No definition available.

+ Details

Name:	us-gaap_TaxesOther
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	srt_ProductOrServiceAxis=byd_OnlineMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: