Acquisitions and Divestitures	12 Months Ended
Acquisitions and Divestitures	Dec. 31, 2024
Business Combination, Asset Acquisition, and Joint Venture Formation [Abstract]
Acquisitions and Divestitures	Acquisitions and Divestitures Spanish and Central European Divestiture On November 16, 2022, the Company completed the divestiture of its ownership stakes in its Spanish and Central European businesses, including Ribera Salud, Torrejón Salud and Pro Diagnostics Group. During 2022, the Company recorded an impairment charge primarily related to intangible assets and goodwill associated with the divestiture of $163 million, or $140 million after-tax. In 2023, the Company recognized an additional loss on sale of $13 million, or $10 million after-tax, which is included in investment and other income in the Consolidated Statements of Operations. Magellan Rx Divestiture On December 2, 2022, the Company completed the divestiture of Magellan Rx for $1,337 million. The Company recognized a gain of $269 million, or $99 million after-tax, which is included in investment and other income in the Consolidated Statements of Operations. During 2023, the Company recorded a reduction to the previously reported gain on the divestiture of $22 million, or $10 million after-tax, due to the finalization of working capital adjustments. Magellan Specialty Health Divestiture On January 20, 2023, the Company completed the divestiture of Magellan Specialty Health for $646 million in cash and stock, including an estimated working capital adjustment, and recognized a gain of $79 million, or $68 million after-tax. The stock consideration was subsequently sold in April 2023 for cash proceeds of $245 million. During 2024, the Company recorded an additional gain on the previously reported divestiture of Magellan Specialty Health of $83 million for achievement of contingent consideration related to the sale and finalization of working capital adjustments, which is included in investment and other income in the Consolidated Statements of Operations. Centurion Divestiture On January 10, 2023, the Company signed and closed a definitive agreement to divest Centurion. During 2022, the Company recorded an impairment charge related to goodwill and other current assets associated with the divestiture of $259 million, or $181 million after-tax. During 2023, the Company recognized a gain of $15 million, or $10 million after-tax, reflecting additional proceeds for contingent consideration, partially offset by net working capital adjustments. The gain is included in investment and other income in the Consolidated Statements of Operations. HealthSmart Divestiture On January 5, 2023, the Company completed the divestiture of HealthSmart. During 2022, the Company recorded an impairment charge related to goodwill associated with the divestiture of $36 million, or $27 million after-tax. Apixio Divestiture On June 13, 2023, the Company completed the divestiture of its majority stake in Apixio. During 2023, the Company recognized a pre-tax gain of $93 million, or $67 million after-tax, which is included in investment and other income in the Consolidated Statements of Operations. Circle Health Group Divestiture On August 28, 2023, the Company signed a definitive agreement to sell Circle Health, one of the U.K.'s largest independent hospital operators, which is included in the Other segment. As of December 31, 2023, the assets and liabilities of Circle Health were considered held for sale resulting in $3,897 million of assets held for sale in other current assets and $3,094 million of liabilities held for sale in accounts payable and accrued expenses in the Consolidated Balance Sheets. The majority of the held for sale assets were previously reported as other long-term assets, goodwill and property, software and equipment. The majority of the liabilities were previously reported as debt and other long-term liabilities. In accordance with the signed definitive agreement in the third quarter of 2023, and subsequently updated in the fourth quarter of 2023, the Company recorded impairment charges related to goodwill associated with the pending divestiture totaling $292 million, or $258 million after-tax. In order to manage the foreign exchange risk on the sale price associated with the pending divestiture of Circle Health, in August 2023 the Company entered into a foreign currency swap agreement for a notional amount of $931 million, to sell £740 million. The swap agreement was formally designated and qualified as a cash flow hedge. The swap expired on the earlier of the divestiture closing date or March 28, 2024. The gain or loss due to changes in the fair value of the foreign currency swap was recorded in other comprehensive income until the Circle Health divestiture closed, at which time the gain or loss was recorded in earnings to the same line in the Consolidated Statements of Operations as the gain or loss on sale. The fair value of the swap agreement as of December 31, 2023 was $13 million, which was recorded in accounts payable and accrued expenses in the Consolidated Balance Sheets. On January 12, 2024, the Company completed the divestiture for $931 million and settled the foreign currency swap. Upon closing the divestiture, the Company settled the foreign currency swap and recorded a corresponding gain of $20 million, which includes the cumulative translation adjustment previously recorded in accumulated other comprehensive income in the Consolidated Balance Sheet. The gain is included in investment and other income in the Consolidated Statements of Operations. During the year ended December 31, 2024, the Company realized a net tax benefit of approximately $40 million on the loss recognized on the divestiture. Operose Health Group Divestiture In November 2023, the Company signed a definitive agreement to sell Operose Health and completed the divestiture on December 28, 2023. During 2023, the Company recorded impairment charges to Operose Health primarily related to goodwill, intangible assets and property, software and equipment of $140 million, or $128 million after-tax based on market indicators of fair value. Collaborative Health Systems Divestiture In July 2024, the Company entered into a definitive agreement to sell CHS, a management services organization, which is included in the Other segment. On October 4, 2024, the Company completed the previously announced sale of CHS. During 2024, the Company recognized a pre-tax gain of $17 million, or $13 million after-tax, which is included in investment and other income in the Consolidated Statements of Operations.