v3.25.2
Fair Value Measurements - Schedule of Carrying Values and Fair Values of Short-Term and Long-term Debt (Details) - USD ($)
$ in Millions
Jun. 30, 2025
Dec. 31, 2024
Carrying Amount | Senior Notes | Level 1    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt $ 72,208 $ 71,783
Carrying Amount | Senior Notes | Third Party (EUR-denominated) | Level 2    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt 5,567 2,058
Carrying Amount | Senior Notes | Related Party | Level 2    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt 1,497 1,497
Carrying Amount | Senior Secured Notes | Third Party | Level 1    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt 1,036 1,361
Carrying Amount | ABS Notes | Third Party | Level 2    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt 1,688 1,566
Carrying Amount | ECA Facility | Third Party | Level 2    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt 927 0
Fair Value | Senior Notes | Level 1    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt 67,401 65,631
Fair Value | Senior Notes | Third Party (EUR-denominated) | Level 2    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt 5,495 2,125
Fair Value | Senior Notes | Related Party | Level 2    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt 1,501 1,491
Fair Value | Senior Secured Notes | Third Party | Level 1    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt 1,018 1,330
Fair Value | ABS Notes | Third Party | Level 2    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt 1,701 1,570
Fair Value | ECA Facility | Third Party | Level 2    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt $ 957 $ 0