Cover
Jul. 08, 2020
Entity Information [Line Items]  
Document Type 8-K
Document Period End Date Jul. 08, 2020
Entity Registrant Name Truist Financial Corporation
Entity Address, Address Line One 214 North Tryon Street
Entity Incorporation, State or Country Code NC
Entity File Number 1-10853
City Area Code 336
Local Phone Number 733-2000
Entity Tax Identification Number 56-0939887
Entity Address, City or Town Charlotte,
Entity Address, State or Province NC
Entity Address, Postal Zip Code 28202
Written Communications false
Pre-commencement Tender Offer false
Soliciting Material false
Pre-commencement Issuer Tender Offer false
Entity Central Index Key 0000092230
Amendment Flag false
Entity Emerging Growth Company false
Common Stock [Member]  
Entity Information [Line Items]  
Trading Symbol TFC
Security Exchange Name NYSE
Title of 12(b) Security Common Stock, $5 par value
Series F Preferred Stock [Member]  
Entity Information [Line Items]  
Trading Symbol TFC.PF
Security Exchange Name NYSE
Title of 12(b) Security Depositary Shares each representing 1/1,000th interest in a share of Series F Non-Cumulative Perpetual Preferred Stock
Series G Preferred Stock [Member]  
Entity Information [Line Items]  
Trading Symbol TFC.PG
Security Exchange Name NYSE
Title of 12(b) Security Depositary Shares each representing 1/1,000th interest in a share of Series G Non-Cumulative Perpetual Preferred Stock
Series H Preferred Stock [Member]  
Entity Information [Line Items]  
Trading Symbol TFC.PH
Security Exchange Name NYSE
Title of 12(b) Security Depositary Shares each representing 1/1,000th interest in a share of Series H Non-Cumulative Perpetual Preferred Stock
Series I Preferred Stock [Member]  
Entity Information [Line Items]  
Trading Symbol TFC.PI
Security Exchange Name NYSE
Title of 12(b) Security Depositary Shares each representing 1/4,000th interest in a share of Series I Perpetual Preferred Stock
Series J Preferred Stock [Member]  
Entity Information [Line Items]  
Trading Symbol TFC.PJ
Security Exchange Name NYSE
Title of 12(b) Security 5.853% Fixed-to-Floating Rate Normal Preferred Purchase Securities each representing 1/100th interest in a share of Series J Perpetual Preferred Stock
Series O Preferred Stock [Member]  
Entity Information [Line Items]  
Trading Symbol TFC.PO
Security Exchange Name NYSE
Title of 12(b) Security Depositary Shares each representing 1/1,000th interest in a share of Series O Non-Cumulative Perpetual Preferred Stock