Quarterly report pursuant to Section 13 or 15(d)

Acquisitions and Divestitures - Identifiable Intangible Assets (Details)

v3.22.2.2
Acquisitions and Divestitures - Identifiable Intangible Assets (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Jan. 04, 2022
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Acquired Finite-Lived Intangible Assets [Line Items]          
Amortization of acquired intangible assets   $ 211 $ 198 $ 609 $ 581
Magellan Acquisition          
Acquired Finite-Lived Intangible Assets [Line Items]          
Intangible assets $ 751        
Weighted Average Useful Life (in years) 13 years        
Magellan Acquisition | Purchased contract rights          
Acquired Finite-Lived Intangible Assets [Line Items]          
Intangible assets $ 470        
Weighted Average Useful Life (in years) 13 years        
Magellan Acquisition | Provider contracts          
Acquired Finite-Lived Intangible Assets [Line Items]          
Intangible assets $ 100        
Weighted Average Useful Life (in years) 15 years        
Magellan Acquisition | Trade names          
Acquired Finite-Lived Intangible Assets [Line Items]          
Intangible assets $ 80        
Weighted Average Useful Life (in years) 17 years        
Magellan Acquisition | Developed technologies          
Acquired Finite-Lived Intangible Assets [Line Items]          
Intangible assets $ 101        
Weighted Average Useful Life (in years) 5 years        
Magellan Acquisition | Adjustment to intangible assets          
Acquired Finite-Lived Intangible Assets [Line Items]          
Amortization of acquired intangible assets   $ 15