v3.22.4
Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($)
$ in Millions
 6 Months Ended 12 Months Ended
Jun. 30, 2022
Dec. 31, 2022
Dec. 31, 2021
Deferred tax assets      
Compensation and employee benefits   $ 497 $ 937
Accruals and reserves   1,023 667
Chargebacks and rebates   991 837
Advance payments   547 809
Net operating losses and other carryforwards   10,391 10,095
Other   1,710 1,234
Total deferred tax assets   15,159 14,579
Valuation allowances   (9,627) (9,391)
Total net deferred tax assets   5,532 5,188
Deferred tax liabilities      
Excess of book basis over tax basis of intangible assets   (3,590) (4,711)
Excess of book basis over tax basis in investments   (340) (308)
Other   (772) (904)
Total deferred tax liabilities   (4,702) (5,923)
Net deferred tax assets (liabilities)   830 (735)
Tax Credit Carryforward      
Valuation allowances   (9,627) $ (9,391)
Allergan plc      
Tax Credit Carryforward      
Measurement period adjustments to deferred income tax assets $ 8,200    
Measurement period adjustment to deferred tax assets valuation allowance $ 8,200    
U.S. Federal and State      
Tax Credit Carryforward      
Tax credit carryforwards   355  
U.S. Federal, State and Non-U.S.      
Tax Credit Carryforward      
Operating loss carryforwards with expiration through 2041   33,200  
U.S. Federal and Non-U.S.      
Tax Credit Carryforward      
Operating loss carryforwards   $ 6,000