v3.22.4
Post-Employment Benefits - Benefit Plan Information (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Amounts recognized on the consolidated balance sheets      
Other long-term liabilities $ (1,638) $ (3,153)  
Defined benefit plans      
Projected benefit obligations      
Beginning of period 12,006 11,792  
Service cost 454 440 $ 370
Interest cost 297 237 264
Employee contributions 1 2  
Amendments 0 0  
Actuarial (gain) loss (3,668) (8)  
Benefits paid (294) (281)  
Other, primarily foreign currency translation adjustments (208) (176)  
End of period 8,588 12,006 11,792
Fair value of plan assets      
Beginning of period 10,655 9,702  
Actual return on plan assets (2,031) 1,000  
Company contributions 357 376  
Employee contributions 1 2  
Benefits paid (294) (281)  
Other, primarily foreign currency translation adjustments (216) (144)  
End of period 8,472 10,655 9,702
Funded status, end of period (116) (1,351)  
Amounts recognized on the consolidated balance sheets      
Other assets 896 991  
Accounts payable and accrued liabilities (14) (13)  
Other long-term liabilities (998) (2,329)  
Net obligation (116) (1,351)  
Actuarial loss, net (2,365) (3,504)  
Prior service cost (credit) 3 5  
Accumulated other comprehensive loss 2,368 3,509  
Other post-employment plans      
Projected benefit obligations      
Beginning of period 850 795  
Service cost 51 48 42
Interest cost 23 19 34
Amendments (2)   397
Actuarial (gain) loss (229) 10  
Benefits paid (25) (22)  
Other, primarily foreign currency translation adjustments (1) 0  
End of period 667 850 $ 795
Fair value of plan assets      
Company contributions 25 22  
Benefits paid (25) (22)  
Funded status, end of period (667) (850)  
Amounts recognized on the consolidated balance sheets      
Accounts payable and accrued liabilities (27) (26)  
Other long-term liabilities (640) (824)  
Net obligation (667) (850)  
Actuarial loss, net (205) (461)  
Prior service cost (credit) (333) (370)  
Accumulated other comprehensive loss $ (128) $ 91