XML 44 R29.htm IDEA: XBRL DOCUMENT
v3.25.1

Note 1 - Summary of Significant Accounting Policies (Details Textual) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2025 USD ($) | Mar. 31, 2024 USD ($)
Number of Gaming Entertainment Properties | 28 |
Taxes, Other | $ 127.1 | $ 126.7
Taxes Deposited Pursuant to the Online Collaborative Agreements | 5.4 | 2.5
Online [Member] |  |
Taxes Deposited Pursuant to the Online Collaborative Agreements | $ 129.6 | $ 116.0

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 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: |