v3.25.1
BORROWINGS - Narrative (Details)
3 Months Ended 12 Months Ended
Mar. 31, 2025
USD ($)
series
Dec. 31, 2024
USD ($)
Debt Instrument [Line Items]    
Principal debt issued $ 8,780,000,000 $ 9,036,000,000
Guarantee obligation, carrying value 2,000,000 3,000,000
Commercial contracts    
Debt Instrument [Line Items]    
Guarantor obligations, maximum exposure 786,000,000 784,000,000
Equipment residual value obligation    
Debt Instrument [Line Items]    
Guarantor obligations, maximum exposure 24,000,000 25,000,000
Line of credit | Revolving credit facility    
Debt Instrument [Line Items]    
Line of credit outstanding 0 $ 0
Senior unsecured notes | Senior notes    
Debt Instrument [Line Items]    
Debt, principal amount $ 8,250,000,000  
Number of debt series | series 6  
5-Year Revolving Credit Facility | Line of credit | Revolving credit facility    
Debt Instrument [Line Items]    
Debt, term 5 years 5 years
Maximum borrowing capacity $ 3,000,000,000  
364-Day Revolving Credit Facility | Line of credit | Revolving credit facility    
Debt Instrument [Line Items]    
Debt, term 364 days 364 days
Maximum borrowing capacity $ 500,000,000  
Floating rate Term Loan Facility due January 2, 2026 | Line of credit    
Debt Instrument [Line Items]    
Principal debt issued 500,000,000 $ 750,000,000
Debt repayments $ 250,000,000  
Floating rate Term Loan Facility due January 2, 2026 | Line of credit | Unsecured debt    
Debt Instrument [Line Items]    
Debt, term 3 years  
Maximum borrowing capacity $ 2,000,000,000