v3.26.3
FINANCIAL INSTRUMENTS - Schedule of Derivative Instruments in Earnings (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Derivative Instruments and Hedging Activities Disclosures [Line Items]        
Total revenues $ 12,642 $ 9,969 $ 33,084 $ 27,112
Cost of equipment and services 9,536 8,071 25,837 21,899
Selling, general, and administrative expenses 1,354 1,221 4,024 3,594
Other income (expense) – net 105 221 4,947 455
Income Statement Location [Axis]: us-gaap:CostOfGoodsAndServicesSold        
Derivative Instruments and Hedging Activities Disclosures [Line Items]        
Effects of cash flow hedges 4 18 (5) 18
Effect of derivatives not designated as hedges 2 (6) 101 (60)
Income Statement Location [Axis]: us-gaap:CostOfGoodsAndServicesSold | Foreign currency exchange contracts        
Derivative Instruments and Hedging Activities Disclosures [Line Items]        
Effect of derivatives not designated as hedges 27 (1) 136 (50)
Income Statement Location [Axis]: us-gaap:CostOfGoodsAndServicesSold | Commodity and other contracts        
Derivative Instruments and Hedging Activities Disclosures [Line Items]        
Effect of derivatives not designated as hedges (25) (5) (35) (11)
Income Statement Location [Axis]: us-gaap:OtherNonoperatingIncomeExpense        
Derivative Instruments and Hedging Activities Disclosures [Line Items]        
Effects of cash flow hedges 0 0 1 0
Effect of derivatives not designated as hedges 21 (17) 25 (8)
Income Statement Location [Axis]: us-gaap:OtherNonoperatingIncomeExpense | Foreign currency exchange contracts        
Derivative Instruments and Hedging Activities Disclosures [Line Items]        
Effect of derivatives not designated as hedges 21 (17) 25 (8)
Income Statement Location [Axis]: us-gaap:OtherNonoperatingIncomeExpense | Commodity and other contracts        
Derivative Instruments and Hedging Activities Disclosures [Line Items]        
Effect of derivatives not designated as hedges 0 0 0 0
Income Statement Location [Axis]: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax        
Derivative Instruments and Hedging Activities Disclosures [Line Items]        
Effects of cash flow hedges 17 15 30 (4)
Effect of derivatives not designated as hedges 0 3 0 6
Income Statement Location [Axis]: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax | Foreign currency exchange contracts        
Derivative Instruments and Hedging Activities Disclosures [Line Items]        
Effect of derivatives not designated as hedges 0 3 0 6
Income Statement Location [Axis]: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax | Commodity and other contracts        
Derivative Instruments and Hedging Activities Disclosures [Line Items]        
Effect of derivatives not designated as hedges 0 0 0 0
Income Statement Location [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense        
Derivative Instruments and Hedging Activities Disclosures [Line Items]        
Effects of cash flow hedges 0 0 0 0
Effect of derivatives not designated as hedges (10) (5) (30) (78)
Income Statement Location [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense | Foreign currency exchange contracts        
Derivative Instruments and Hedging Activities Disclosures [Line Items]        
Effect of derivatives not designated as hedges (7) 4 (17) (65)
Income Statement Location [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense | Commodity and other contracts        
Derivative Instruments and Hedging Activities Disclosures [Line Items]        
Effect of derivatives not designated as hedges $ (2) $ (9) $ (12) $ (13)