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COVER PAGE - USD ($)
$ in Billions
 12 Months Ended
Dec. 31, 2024
Feb. 13, 2025
Jun. 30, 2024
Document Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2024    
Current Fiscal Year End Date --12-31    
Document Transition Report false    
Entity File Number 001-34177    
Entity Registrant Name Warner Bros. Discovery, Inc.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 35-2333914    
Entity Address, Address Line One 230 Park Avenue South    
Entity Address, City or Town New York    
Entity Address, State or Province NY    
Entity Address, Postal Zip Code 10003    
City Area Code 212    
Local Phone Number 548-5555    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction Flag false    
Entity Shell Company false    
Entity Public Float     $ 18
Entity Common Stock, Shares Outstanding (in shares)   2,454,764,337  
Documents Incorporated by Reference
Certain information required in Item 10 through Item 14 of Part III of this Annual Report on Form 10-K is incorporated herein by reference to the Registrant’s definitive Proxy Statement for its 2025 Annual Meeting of Stockholders, which shall be filed with the Securities and Exchange Commission pursuant to Regulation 14A of the Securities Exchange Act of 1934, as amended.
    
Entity Central Index Key 0001437107    
Document Fiscal Year Focus 2024    
Document Fiscal Period Focus FY    
Amendment Flag false    
Series A Common Stock      
Document Information [Line Items]      
Title of 12(b) Security Series A Common Stock    
Trading Symbol WBD    
Security Exchange Name NASDAQ    
Senior Notes Due 2030, 4.302%      
Document Information [Line Items]      
Title of 12(b) Security 4.302% Senior Notes due 2030    
Trading Symbol WBDI30    
Security Exchange Name NASDAQ    
Senior Notes Due 2033, 4.693%      
Document Information [Line Items]      
Title of 12(b) Security 4.693% Senior Notes due 2033    
Trading Symbol WBDI33    
Security Exchange Name NASDAQ