XML 16 R1.htm IDEA: XBRL DOCUMENT v3.20.4
Cover Page - USD ($)
$ in Billions
 12 Months Ended
Dec. 31, 2020
Feb. 18, 2021
Jun. 30, 2020
Document Information [Line Items]      
Document Type 10-K    
Amendment Flag false    
Document Annual Report true    
Document Transition Report false    
Document Fiscal Year Focus 2020    
Document Fiscal Period Focus FY    
Document Period End Date Dec. 31, 2020    
Entity Central Index Key 0000910073    
Current Fiscal Year End Date --12-31    
Entity Registrant Name NEW YORK COMMUNITY BANCORP, INC.    
Entity Current Reporting Status Yes    
Entity Filer Category Large Accelerated Filer    
Entity Emerging Growth Company false    
Entity Well-known Seasoned Issuer Yes    
Entity Small Business false    
Entity Voluntary Filers No    
Entity Shell Company false    
Entity Public Float     $ 4.6
Entity Common Stock, Shares Outstanding   465,699,872  
Entity Interactive Data Current Yes    
Entity File Number 1-31565    
Entity Incorporation, State or Country Code DE    
City Area Code 516    
Local Phone Number 683-4100    
Entity Tax Identification Number 06-1377322    
Entity Address, Address Line One 615 Merrick Avenue    
Entity Address, City or Town Westbury    
Entity Address, State or Province NY    
Entity Address, Postal Zip Code 11590    
ICFR Auditor Attestation Flag true    
Documents Incorporated by Reference

Portions of the definitive Proxy Statement for the Annual Meeting of Shareholders to be held on May 26, 2021 are incorporated by reference into Part III.

   
Common Stock      
Document Information [Line Items]      
Title of 12(b) Security Common Stock    
Trading Symbol NYCB    
Security Exchange Name NYSE    
Bifurcated Option Note Unit SecuritiES      
Document Information [Line Items]      
Title of 12(b) Security Bifurcated Option Note Unit SecuritiES    
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    
Trading Symbol NYCB PA    
Security Exchange Name NYSE