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DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES - Narrative (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2024
Dec. 31, 2023
Derivative [Line Items]    
Pre-tax portion of the fair value of currency exchange contracts, gain (loss) $ 19,219 $ 19,036
Cash flow hedge gain to be reclassified within the next twelve months $ 11  
Minimum    
Derivative [Line Items]    
Proportion of intercompany balance sheet exposure (as a percent) 95.00%  
Maximum    
Derivative [Line Items]    
Proportion of intercompany balance sheet exposure (as a percent) 100.00%  
Non-derivative net investment hedge    
Derivative [Line Items]    
Foreign currency note payable, noncurrent, after-tax $ 3,785 $ 3,140
Net Investment Hedging | Currency exchange contracts | Derivatives designated as hedges | Accumulated Foreign Currency Adjustment Attributable to Parent    
Derivative [Line Items]    
Pre-tax portion of the fair value of currency exchange contracts, gain (loss) 24  
Net Investment Hedging | Forward starting floating-to-fixed interest rate swaps | Derivatives designated as hedges | Accumulated Foreign Currency Adjustment Attributable to Parent    
Derivative [Line Items]    
Pre-tax portion of the fair value of currency exchange contracts, gain (loss) $ 0