v3.24.3
Acquisitions and Divestitures - TRANZACT Divestiture (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Pre-tax loss due to adjusting carrying value to fair value $ (1,190) $ 41 $ (1,190) $ 44
Goodwill impairment 1,000   1,042  
TRANZACT [Member]        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Total consideration received from sale of subsidiary $ 632   632  
Pre-tax loss due to adjusting carrying value to fair value     920  
Deferred tax adjustment     304  
TRANZACT [Member] | Benefit From Income Taxes [Member]        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Deferred tax adjustment     304  
Benefits, Delivery and Administration Reporting Unit [Member]        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Goodwill impairment     $ 1,000