v3.26.1
Cover
Mar. 12, 2026
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Mar. 12, 2026
Entity File Number 001-35492
Entity Registrant Name ALEXANDER & BALDWIN, INC.
Entity Central Index Key 0001545654
Entity Tax Identification Number 45-4849780
Entity Incorporation, State or Country Code HI
Entity Address, Address Line One 822 Bishop Street
Entity Address, Address Line Two Post Office Box 3440
Entity Address, City or Town Honolulu
Entity Address, State or Province HI
Entity Address, Postal Zip Code 96801
City Area Code 808
Local Phone Number 525-6611
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, without par value
Trading Symbol ALEX
Security Exchange Name NYSE
Entity Emerging Growth Company false