Description of Business (Details) - Medicare Advantage and related Cigna Healthcare businesses - Held-for-Sale $ in Billions	1 Months Ended
Jan. 31, 2024 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Not Discontinued Operation, Name of Segment [Extensible Enumeration]	Cigna Healthcare
Health Care Service Corporation (HCSC)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sale price	$ 3.3

Indicates business segment that includes disposal group not classified as discontinued operation.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482099/360-10-50-3

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Balance Type:	na
Period Type:	duration