Insider Trading Arrangements	3 Months Ended
	Jun. 30, 2025 shares
Trading Arrangements, by Individual
Non-Rule 10b5-1 Arrangement Adopted	false
Rule 10b5-1 Arrangement Terminated	false
Non-Rule 10b5-1 Arrangement Terminated	false
David Cordani [Member]
Trading Arrangements, by Individual
Material Terms of Trading Arrangement	On May 6, 2025, David Cordani, Chairman and Chief Executive Officer of The Cigna Group, adopted a 10b5-1 plan. Mr. Cordani's plan provides for (i) the sale of shares of The Cigna Group common stock issuable upon vesting of a performance award (the actual number of shares depends on actual performance achieved and may range from 0% to 200% of the 32,586 shares subject to the award at the target level of performance) and (ii) the exercise of vested stock options and the associated sale of up to 212,543 shares of The Cigna Group common stock, in each case through May 5, 2026.
Name	David Cordani
Title	Chairman and Chief Executive Officer of The Cigna Group
Rule 10b5-1 Arrangement Adopted	true
Adoption Date	May 6, 2025
Expiration Date	May 5, 2026
Arrangement Duration	364 days
Brian Evanko [Member]
Trading Arrangements, by Individual
Material Terms of Trading Arrangement	On May 7, 2025, Brian Evanko, President and Chief Operating Officer, adopted a 10b5-1 plan. Mr. Evanko's plan provides for the exercise of vested stock options and the associated sale of up to 18,429 shares of The Cigna Group common stock through May 8, 2026.
Name	Brian Evanko
Title	President and Chief Operating Officer
Rule 10b5-1 Arrangement Adopted	true
Adoption Date	May 7, 2025
Expiration Date	May 8, 2026
Arrangement Duration	366 days
Aggregate Available	18,429
Nicole Jones [Member]
Trading Arrangements, by Individual
Material Terms of Trading Arrangement	On May 8, 2025, Nicole Jones, Executive Vice President, Chief Administrative Officer and General Counsel, adopted a 10b5-1 plan. Ms. Jones' plan provides for (i) the sale of up to 3,773 shares of The Cigna Group common stock, (ii) the sale of shares of The Cigna Group common stock issuable upon vesting of a performance award (the actual number of shares depends on actual performance achieved and may range from 0% to 200% of the 5,661 shares subject to the award at the target level of performance) and (iii) the exercise of vested stock options and the associated sale of up to 27,430 shares of The Cigna Group common stock, in each case through May 8, 2026.
Name	Nicole Jones
Title	Executive Vice President, Chief Administrative Officer and General Counsel
Rule 10b5-1 Arrangement Adopted	true
Adoption Date	May 8, 2025
Expiration Date	May 8, 2026
Arrangement Duration	365 days
Everett Neville [Member]
Trading Arrangements, by Individual
Material Terms of Trading Arrangement	On May 22, 2025, Everett Neville, Executive Vice President of Strategy and Business Development, adopted a 10b5-1 plan. Mr. Neville's plan provides for the sale of shares of The Cigna Group common stock issuable upon vesting of a performance award (the actual number of shares depends on actual performance achieved and may range from 0% to 200% of the 3,565 shares subject to the award at the target level of performance) through May 8, 2026.
Name	Everett Neville
Title	Executive Vice President of Strategy and Business Development
Rule 10b5-1 Arrangement Adopted	true
Adoption Date	May 22, 2025
Expiration Date	May 8, 2026
Arrangement Duration	351 days
Aggregate Available	3,565
Trading Arrangement, Common Stock Issuable Upon Vesting Of Performance Award At Target Level [Member] | David Cordani [Member]
Trading Arrangements, by Individual
Aggregate Available	32,586
Trading Arrangement, Common Stock Issuable Upon Vesting Of Performance Award At Target Level [Member] | Nicole Jones [Member]
Trading Arrangements, by Individual
Aggregate Available	5,661
Trading Arrangement, Stock Options [Member] | David Cordani [Member]
Trading Arrangements, by Individual
Aggregate Available	212,543
Trading Arrangement, Stock Options [Member] | Nicole Jones [Member]
Trading Arrangements, by Individual
Aggregate Available	27,430
Trading Arrangement, Common Stock [Member] | Nicole Jones [Member]
Trading Arrangements, by Individual
Aggregate Available	3,773
Trading Arrangement, Common Stock Issuable Upon Vesting Of Performance Award At Zero PercentTarget Level [Member] | David Cordani [Member]
Trading Arrangements, by Individual
Aggregate Available	0
Trading Arrangement, Common Stock Issuable Upon Vesting Of Performance Award At Zero PercentTarget Level [Member] | Nicole Jones [Member]
Trading Arrangements, by Individual
Aggregate Available	0
Trading Arrangement, Common Stock Issuable Upon Vesting Of Performance Award At Zero PercentTarget Level [Member] | Everett Neville [Member]
Trading Arrangements, by Individual
Aggregate Available	0
Trading Arrangement, Common Stock Issuable Upon Vesting Of Performance Award At 200 Percent Target Level [Member] | David Cordani [Member]
Trading Arrangements, by Individual
Aggregate Available	65,172
Trading Arrangement, Common Stock Issuable Upon Vesting Of Performance Award At 200 Percent Target Level [Member] | Nicole Jones [Member]
Trading Arrangements, by Individual
Aggregate Available	11,322
Trading Arrangement, Common Stock Issuable Upon Vesting Of Performance Award At 200 Percent Target Level [Member] | Everett Neville [Member]
Trading Arrangements, by Individual
Aggregate Available	7,130