v3.26.1
Cover
 6 Months Ended
Jun. 30, 2026
shares
Document Information [Line Items]  
Document Type 10-Q
Document Quarterly Report true
Document Period End Date Jun. 30, 2026
Document Transition Report false
Entity File Number 001-40031
Entity Registrant Name BigBear.ai Holdings, Inc.
Entity Incorporation, State or Country Code DE
Entity Tax Identification Number 85-4164597
Entity Address, Address Line One 7950 Jones Branch Drive
Entity Address, Address Line Two 1st Floor North Tower
Entity Address, City or Town McLean
Entity Address, State or Province VA
Entity Address, Postal Zip Code 22102
City Area Code 410
Local Phone Number 312-0885
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
Entity Shell Company false
Entity Common Stock, Shares Outstanding 479,494,493
Entity Central Index Key 0001836981
Document Fiscal Year Focus 2026
Document Fiscal Period Focus Q2
Amendment Flag false
Current Fiscal Year End Date --12-31
Common stock  
Document Information [Line Items]  
Title of 12(b) Security Common stock, $0.0001 par value
Trading Symbol BBAI
Security Exchange Name NYSE
Redeemable warrants, each full warrant exercisable for one share of common stock at an exercise price of $11.50 per share  
Document Information [Line Items]  
Title of 12(b) Security Redeemable warrants, each full warrant exercisable for one share of common stock at an exercise price of $11.50 per share
Trading Symbol BBAI.WS
Security Exchange Name NYSE