Description of Business	9 Months Ended
Sep. 30, 2025
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 committed to creating a better future for every individual and every community. We relentlessly challenge ourselves to partner and innovate solutions for better health. Powered by our people and our brands, we advance our mission to improve the health and vitality of those we serve. Our subsidiaries offer a differentiated set of pharmacy, medical, behavioral, dental, and related products and services. The majority of these products and services are offered through employers and other entities, such as governmental and nongovernmental organizations, unions and associations. Cigna Healthcare® also offers health and dental insurance products to individuals in the United States and select international markets. In addition to these operations, The Cigna Group also has certain run-off operations. A full description of our segments follows: The Evernorth® Health Services reportable segment includes the Pharmacy Benefit Services and the Specialty and Care Services operating segments, which provide independent and coordinated health solutions and capabilities to enable the health care system to work better and help people live healthier lives. Pharmacy Benefit Services drives high-quality, cost-effective pharmacy care through various services, such as drug claim adjudication, retail pharmacy network administration, benefit design consultation, drug utilization review, drug formulary management and access to our home delivery pharmacy. Specialty and Care Services provides specialty drugs for the treatment of complex and rare diseases, specialty distribution of pharmaceuticals and medical supplies, as well as clinical programs to help our clients drive better whole-person health outcomes through care services. The Cigna Healthcare reportable segment includes the U.S. Healthcare and International Health operating segments, which provide comprehensive medical and coordinated solutions to clients and customers. U.S. Healthcare provides medical plans and other benefits and solutions for insured and self-insured clients as well as individual health plans. International Health provides health care solutions in our international markets, as well as health care benefits for globally mobile individuals and employees of multinational organizations. U.S. Healthcare also included the Medicare Advantage and related businesses until the divestiture of such businesses to Health Care Services Corporation ("HCSC") on March 19, 2025 (see Note 5 to the Consolidated Financial Statements for further information). Other Operations comprises the remainder of our business operations, which includes certain continuing (corporate-owned life insurance ("COLI")), run-off and other non-strategic businesses. Our run-off businesses include the (i) variable annuity reinsurance 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, which were sold through reinsurance agreements. 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.

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 committed to creating a better future for every individual and every community. We relentlessly challenge ourselves to partner and innovate solutions for better health. Powered by our people and our brands, we advance our mission to improve the health and vitality of those we serve.

Our subsidiaries offer a differentiated set of pharmacy, medical, behavioral, dental, and related products and services. The majority of these products and services are offered through employers and other entities, such as governmental and nongovernmental organizations, unions and associations. Cigna Healthcare® also offers health and dental insurance products to individuals in the United States and select international markets. In addition to these operations, The Cigna Group also has certain run-off operations.

The Evernorth® Health Services reportable segment includes the Pharmacy Benefit Services and the Specialty and Care Services operating segments, which provide independent and coordinated health solutions and capabilities to enable the health care system to work better and help people live healthier lives.

Pharmacy Benefit Services drives high-quality, cost-effective pharmacy care through various services, such as drug claim adjudication, retail pharmacy network administration, benefit design consultation, drug utilization review, drug formulary management and access to our home delivery pharmacy. Specialty and Care Services provides specialty drugs for the treatment of complex and rare diseases, specialty distribution of pharmaceuticals and medical supplies, as well as clinical programs to help our clients drive better whole-person health outcomes through care services.

The Cigna Healthcare reportable segment includes the U.S. Healthcare and International Health operating segments, which provide comprehensive medical and coordinated solutions to clients and customers. U.S. Healthcare provides medical plans and other benefits and solutions for insured and self-insured clients as well as individual health plans. International Health provides health care solutions in our international markets, as well as health care benefits for globally mobile individuals and employees of multinational organizations. U.S. Healthcare also included the Medicare Advantage and related businesses until the divestiture of such businesses to Health Care Services Corporation ("HCSC") on March 19, 2025 (see Note 5 to the Consolidated Financial Statements for further information).

Other Operations comprises the remainder of our business operations, which includes certain continuing (corporate-owned life insurance ("COLI")), run-off and other non-strategic businesses. Our run-off businesses include the (i) variable annuity reinsurance 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, which were sold through reinsurance agreements.

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.