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SUPPLEMENTAL FINANCIAL INFORMATION - Other Non-Current Liabilities (Details) - USD ($)
$ in Millions
Jun. 30, 2023
Dec. 31, 2022
Supplemental Financial Information [Abstract]    
Income taxes $ 3,166 $ 3,992
Pension and postretirement 398 402
Operating leases 1,342 1,261
Deferred income 305 283
Deferred compensation 398 349
Other 293 303
Other non-current liabilities $ 5,902 $ 6,590