Description of Business	9 Months Ended
Description of Business	Sep. 30, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Description of Business	Note 1 – Description of Business The Cigna Group, together with its subsidiaries (either individually or collectively referred to as the "Company," "we," "us" or "our"), is a global health company with a mission of helping those we serve improve their health and vitality. Our subsidiaries offer a differentiated set of pharmacy, medical, behavioral, dental and related products and services. The majority of these products are offered through employers and other groups such as governmental and non-governmental organizations, unions and associations. Cigna Healthcare also offers commercial health and dental insurance and Medicare products to individuals in the United States and selected international markets. In addition to these ongoing operations, The Cigna Group also has certain run-off operations. A full description of our segments follows: Evernorth Health Services includes a broad range of coordinated and point solution health services and capabilities, as well as those from partners across the health care system, in Pharmacy Benefits, Home Delivery Pharmacy, Specialty Pharmacy, Distribution and Care Delivery and Management Solutions, which are provided to health plans, employers, government organizations and health care providers. Cigna Healthcare includes the U.S. Commercial, U.S. Government and International Health operating segments which provide comprehensive medical and coordinated solutions to clients and customers. U.S. Commercial products and services include medical, pharmacy, behavioral health, dental and other products and services for insured and self-insured clients. U.S. Government solutions include Medicare Advantage, Medicare Supplement and Medicare Part D plans for seniors and individual health insurance plans. International Health solutions include health care coverage in our international markets, as well as health care benefits for globally mobile individuals and employees of multinational organizations. Other Operations comprises the remainder of our business operations, which includes ongoing businesses and exited businesses. Our ongoing businesses include continuing business (corporate-owned life insurance ("COLI")) and our run-off businesses. Our run-off businesses include (i) variable annuity reinsurance business (also referred to as guaranteed minimum death benefit ("GMDB") and guaranteed minimum income benefit ("GMIB") business) that was effectively exited through reinsurance with Berkshire Hathaway Life Insurance Company of Nebraska ("Berkshire") in 2013, (ii) settlement annuity business, and (iii) individual life insurance and annuity and retirement benefits businesses comprised of deferred gains from the sales of these businesses. Our exited businesses include our interest in a joint venture in Türkiye, which was sold in December 2022 and the international life, accident and supplemental benefits businesses sold in July 2022 (the "Chubb transaction"). Corporate reflects amounts not allocated to operating segments, including net interest expense (defined as interest on corporate financing less net investment income on investments not supporting segment and other operations), certain litigation matters, expense associated with our frozen pension plans, charitable contributions, operating severance, certain overhead and enterprise-wide project costs and eliminations for products and services sold between segments.