v3.22.2.2
Cover
Nov. 30, 2022
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Nov. 30, 2022
Entity File Number 001-38769
Entity Registrant Name Cigna Corporation
Entity Central Index Key 0001739940
Entity Tax Identification Number 82-4991898
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 900 Cottage Grove Road
Entity Address, City or Town Bloomfield
Entity Address, State or Province CT
Entity Address, Postal Zip Code 06002
City Area Code 860
Local Phone Number 226-6000
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, Par Value $0.01
Trading Symbol CI
Security Exchange Name NYSE
Entity Emerging Growth Company false