v3.25.2
Derivative Financial Instruments - Hedging Programs (Details) - USD ($)
6 Months Ended 12 Months Ended
Jun. 30, 2025
Dec. 31, 2024
Net Investment Hedging    
Derivative Financial Instruments    
Notional amount $ 7,500,000,000 $ 6,200,000,000
Net Investment Hedging | Maximum    
Derivative Financial Instruments    
Average remaining maturity 1 year 1 year
Interest Rate Swap | Fair Value Hedging    
Derivative Financial Instruments    
Notional amount $ 6,700,000,000 $ 6,700,000,000
Average remaining maturity 4 years 4 years 6 months
Interest Rate Swap | Cash Flow Hedging    
Derivative Financial Instruments    
Notional amount $ 0 $ 0
Foreign exchange contracts    
Derivative Financial Instruments    
Gains (losses) expected to be reclassified to net income within the next 12 months (96,000,000)  
Foreign exchange contracts | Not Designated as Hedging Instrument, Economic Hedge    
Derivative Financial Instruments    
Notional amount $ 5,900,000,000 7,400,000,000
Foreign exchange contracts | Not Designated as Hedging Instrument, Economic Hedge | Maximum    
Derivative Financial Instruments    
Term of contract 1 year  
Foreign exchange contracts | Cash Flow Hedging    
Derivative Financial Instruments    
Notional amount $ 5,900,000,000 5,000,000,000.0
Net gains (losses) before taxes in accumulated other comprehensive income/(loss), cash flow hedges $ (17,000,000) 84,000,000
Maximum length of time hedged 6 years  
Foreign exchange contracts | Net Investment Hedging    
Derivative Financial Instruments    
Notional amount $ 16,500,000,000 14,000,000,000.0
Foreign Exchange Forward | Cash Flow Hedging    
Derivative Financial Instruments    
Notional amount 10,700,000,000 9,700,000,000
Net gains (losses) before taxes in accumulated other comprehensive income/(loss), cash flow hedges $ (380,000,000) $ 415,000,000
Maximum length of time hedged 2 years  
Gains (losses) expected to be reclassified to net income within the next 12 months $ (442,000,000)  
Foreign Exchange Forward | Cash Flow Hedging | Maximum    
Derivative Financial Instruments    
Average remaining maturity 1 year 1 year
Equity contracts hedging employee compensation obligations | Not Designated as Hedging Instrument, Economic Hedge    
Derivative Financial Instruments    
Notional amount $ 1,300,000,000 $ 1,500,000,000