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Document and Entity Information
Mar. 02, 2022
Cover [Abstract]  
Entity Registrant Name BOYD GAMING CORP
Amendment Flag false
Entity Central Index Key 0000906553
Document Type 8-K
Document Period End Date Mar. 02, 2022
Entity Incorporation State Country Code NV
Entity File Number 001-12882
Entity Tax Identification Number 88-0242733
Entity Address, Address Line One 6465 South Rainbow Boulevard
Entity Address, City or Town Las Vegas
Entity Address, State or Province NV
Entity Address, Postal Zip Code 89118
City Area Code (702)
Local Phone Number 792-7200
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common stock, $0.01 par value
Trading Symbol BYD
Security Exchange Name NYSE
Entity Emerging Growth Company false