XML 13 R1.htm IDEA: XBRL DOCUMENT v3.24.0.1
Cover - USD ($)
$ in Billions
 12 Months Ended
Dec. 31, 2023
Mar. 11, 2024
Jun. 30, 2023
Document Information [Line Items]      
Document Type 10-K/A    
Document Annual Report true    
Current Fiscal Year End Date --12-31    
Document Period End Date Dec. 31, 2023    
Document Transition Report false    
Entity File Number 001-16577    
Entity Registrant Name NEW YORK COMMUNITY BANCORP, INC.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 06-1377322    
Entity Address, Address Line One 102 Duffy Avenue,    
Entity Address, City or Town Hicksville,    
Entity Address, State or Province NY    
Entity Address, Postal Zip Code 11801    
City Area Code 516    
Local Phone Number 683-4100    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status No    
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     $ 8.0
Entity Common Stock, Shares Outstanding   797,921,126  
Documents Incorporated by Reference Portions of the definitive Proxy Statement for the Annual Meeting of Shareholders to be held on May 17, 2024 are incorporated by reference into Part III.    
Entity Central Index Key 0000910073    
Amendment Flag false    
Document Fiscal Year Focus 2023    
Document Fiscal Period Focus FY    
Common Stock (Par Value: $0.01)      
Document Information [Line Items]      
Title of 12(b) Security Common Stock, $0.01 par value per share    
Trading Symbol NYCB    
Security Exchange Name NYSE    
Bifurcated Option Notes Unit Securities      
Document Information [Line Items]      
Title of 12(b) Security Bifurcated Option Note Unit SecuritiESSM    
Trading Symbol NYCB PU    
Security Exchange Name NYSE    
Fixed To Floating Rate Series A Noncumulative Perpetual Preferred Stock      
Document Information [Line Items]      
Title of 12(b) Security Depositary Shares each representing a 1/40th interest in a share of Fixed-to-Floating Rate Series A Noncumulative Perpetual Preferred Stock    
Trading Symbol NYCB PA    
Security Exchange Name NYSE