Document and Entity Information
May 28, 2020
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date May 28, 2020
Entity Registrant Name MOLINA HEALTHCARE, INC.
Entity Incorporation, State or Country Code DE
Entity File Number 001-31719
Entity Tax Identification Number 13-4204626
Entity Address, Address Line One 200 Oceangate, Suite 100
Entity Address, City or Town Long Beach
Entity Address, State or Province CA
Entity Address, Postal Zip Code 90802
City Area Code 562
Local Phone Number 435-3666
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Entity Central Index Key 0001179929
Title of 12(b) Security Common Stock, $0.001 Par Value
Trading Symbol MOH
Security Exchange Name NYSE