v3.25.4
FINANCING AND FINANCIAL INSTRUMENTS - Gross Debt - Long-term Debt (Details)
€ in Millions, $ in Millions
Dec. 31, 2025
USD ($)
Dec. 31, 2025
EUR (€)
Sep. 30, 2025
USD ($)
Sep. 30, 2025
EUR (€)
Dec. 31, 2024
USD ($)
Disclosure of detailed information about borrowings [line items]          
Borrowings $ 13,410        
Less current portion of long-term debt (1,406)       $ (1,550)
Total long-term debt 10,671       8,815
Total | Gross          
Disclosure of detailed information about borrowings [line items]          
Borrowings 11,110       9,513
Total Corporate | Gross          
Disclosure of detailed information about borrowings [line items]          
Borrowings 9,595       9,012
5.5 billion Revolving Credit Facility          
Disclosure of detailed information about borrowings [line items]          
Notional amount | €   € 5,500      
5.5 billion Revolving Credit Facility | Gross          
Disclosure of detailed information about borrowings [line items]          
Borrowings 0       0
500 Unsecured Notes          
Disclosure of detailed information about borrowings [line items]          
Notional amount 500        
500 Unsecured Notes | Gross          
Disclosure of detailed information about borrowings [line items]          
Borrowings $ 0       184
500 Unsecured Notes | Fixed interest rate          
Disclosure of detailed information about borrowings [line items]          
Borrowings, interest rate (in percent) 6.13% 6.13%      
€750 million Unsecured Notes          
Disclosure of detailed information about borrowings [line items]          
Notional amount $ 750 € 750      
€750 million Unsecured Notes | Gross          
Disclosure of detailed information about borrowings [line items]          
Borrowings $ 0       778
€750 million Unsecured Notes | Fixed interest rate          
Disclosure of detailed information about borrowings [line items]          
Borrowings, interest rate (in percent) 1.75% 1.75%      
750 Unsecured Notes          
Disclosure of detailed information about borrowings [line items]          
Notional amount $ 750        
750 Unsecured Notes | Gross          
Disclosure of detailed information about borrowings [line items]          
Borrowings $ 401       400
750 Unsecured Notes | Fixed interest rate          
Disclosure of detailed information about borrowings [line items]          
Borrowings, interest rate (in percent) 4.55% 4.55%      
€600 million Unsecured Notes          
Disclosure of detailed information about borrowings [line items]          
Notional amount | €   € 600      
€600 million Unsecured Notes | Gross          
Disclosure of detailed information about borrowings [line items]          
Borrowings $ 704       621
€600 million Unsecured Notes | Fixed interest rate          
Disclosure of detailed information about borrowings [line items]          
Borrowings, interest rate (in percent) 4.88% 4.88%      
1.2 billion Unsecured Notes          
Disclosure of detailed information about borrowings [line items]          
Notional amount $ 1,200        
1.2 billion Unsecured Notes | Gross          
Disclosure of detailed information about borrowings [line items]          
Borrowings $ 1,197       1,196
1.2 billion Unsecured Notes | Fixed interest rate          
Disclosure of detailed information about borrowings [line items]          
Borrowings, interest rate (in percent) 6.55% 6.55%      
€500 million Unsecured Notes          
Disclosure of detailed information about borrowings [line items]          
Notional amount | €   € 500      
€500 million Unsecured Notes | Gross          
Disclosure of detailed information about borrowings [line items]          
Borrowings $ 584       515
€500 million Unsecured Notes | Fixed interest rate          
Disclosure of detailed information about borrowings [line items]          
Borrowings, interest rate (in percent) 3.13% 3.13%      
500 Unsecured Notes          
Disclosure of detailed information about borrowings [line items]          
Notional amount $ 500        
500 Unsecured Notes | Gross          
Disclosure of detailed information about borrowings [line items]          
Borrowings $ 497       496
500 Unsecured Notes | Fixed interest rate          
Disclosure of detailed information about borrowings [line items]          
Borrowings, interest rate (in percent) 4.25% 4.25%      
€650000000000 million Unsecured Notes          
Disclosure of detailed information about borrowings [line items]          
Notional amount $ 650 € 650,000 $ 754 € 650  
€650000000000 million Unsecured Notes | Gross          
Disclosure of detailed information about borrowings [line items]          
Borrowings $ 757       0
€650000000000 million Unsecured Notes | Fixed interest rate          
Disclosure of detailed information about borrowings [line items]          
Borrowings, interest rate (in percent) 3.25% 3.25% 3.25% 3.25%  
€500 million Unsecured Notes          
Disclosure of detailed information about borrowings [line items]          
Notional amount | €   € 500,000      
€500 million Unsecured Notes | Gross          
Disclosure of detailed information about borrowings [line items]          
Borrowings $ 581       513
€500 million Unsecured Notes | Fixed interest rate          
Disclosure of detailed information about borrowings [line items]          
Borrowings, interest rate (in percent) 3.50% 3.50%      
1000000000 billion Unsecured Notes          
Disclosure of detailed information about borrowings [line items]          
Notional amount $ 1,000        
1000000000 billion Unsecured Notes | Gross          
Disclosure of detailed information about borrowings [line items]          
Borrowings $ 991       990
1000000000 billion Unsecured Notes | Fixed interest rate          
Disclosure of detailed information about borrowings [line items]          
Borrowings, interest rate (in percent) 6.80% 6.80%      
$500 Unsecured Notes          
Disclosure of detailed information about borrowings [line items]          
Notional amount $ 500        
$500 Unsecured Notes | Gross          
Disclosure of detailed information about borrowings [line items]          
Borrowings $ 496       496
$500 Unsecured Notes | Fixed interest rate          
Disclosure of detailed information about borrowings [line items]          
Borrowings, interest rate (in percent) 6.00% 6.00%      
1.5 billion Unsecured Bonds          
Disclosure of detailed information about borrowings [line items]          
Notional amount $ 1,500        
1.5 billion Unsecured Bonds | Gross          
Disclosure of detailed information about borrowings [line items]          
Borrowings $ 673       672
1.5 billion Unsecured Bonds | Fixed interest rate          
Disclosure of detailed information about borrowings [line items]          
Borrowings, interest rate (in percent) 7.00% 7.00%      
1000000000 billion Unsecured Notes          
Disclosure of detailed information about borrowings [line items]          
Notional amount $ 1,000        
1000000000 billion Unsecured Notes | Gross          
Disclosure of detailed information about borrowings [line items]          
Borrowings $ 429       428
1000000000 billion Unsecured Notes | Fixed interest rate          
Disclosure of detailed information about borrowings [line items]          
Borrowings, interest rate (in percent) 6.75% 6.75%      
500 Unsecured Notes          
Disclosure of detailed information about borrowings [line items]          
Notional amount $ 500        
500 Unsecured Notes | Gross          
Disclosure of detailed information about borrowings [line items]          
Borrowings $ 491       491
500 Unsecured Notes | Fixed interest rate          
Disclosure of detailed information about borrowings [line items]          
Borrowings, interest rate (in percent) 6.35% 6.35%      
EIB loan | Gross          
Disclosure of detailed information about borrowings [line items]          
Borrowings $ 0       15
EIB loan | Fixed interest rate          
Disclosure of detailed information about borrowings [line items]          
Borrowings, interest rate (in percent) 1.16% 1.16%      
EIB loan | Gross          
Disclosure of detailed information about borrowings [line items]          
Borrowings $ 267       273
EIB loan | Floating interest rate          
Disclosure of detailed information about borrowings [line items]          
Borrowings, interest rate (in percent) 3.40% 3.40%      
Schuldschein loans          
Disclosure of detailed information about borrowings [line items]          
Borrowings $ 77 € 66      
Schuldschein loans | Fixed interest rate          
Disclosure of detailed information about borrowings [line items]          
Borrowings, interest rate (in percent) 3.00% 3.00%      
Schuldschein loans | Fixed interest rate | Gross          
Disclosure of detailed information about borrowings [line items]          
Borrowings $ 77       94
Schuldschein loans | Floating interest rate | Gross          
Disclosure of detailed information about borrowings [line items]          
Borrowings $ 819       659
Schuldschein loans | Floating interest rate | Bottom of range          
Disclosure of detailed information about borrowings [line items]          
Borrowings, interest rate (in percent) 3.40% 3.40%      
Schuldschein loans | Floating interest rate | Top of range          
Disclosure of detailed information about borrowings [line items]          
Borrowings, interest rate (in percent) 3.60% 3.60%      
Samurai loan | Floating interest rate | Gross          
Disclosure of detailed information about borrowings [line items]          
Borrowings $ 450       0
Samurai loan | Floating interest rate | Bottom of range          
Disclosure of detailed information about borrowings [line items]          
Borrowings, interest rate (in percent) 1.50% 1.50%      
Samurai loan | Floating interest rate | Top of range          
Disclosure of detailed information about borrowings [line items]          
Borrowings, interest rate (in percent) 1.60% 1.60%      
Other loans | Gross          
Disclosure of detailed information about borrowings [line items]          
Borrowings $ 181       191
Other loans | Floating interest rate | Bottom of range          
Disclosure of detailed information about borrowings [line items]          
Borrowings, interest rate (in percent) 2.50% 2.50%      
Other loans | Gross          
Disclosure of detailed information about borrowings [line items]          
Borrowings $ 1,515       501
Total long-term debt (excluding lease obligations)          
Disclosure of detailed information about borrowings [line items]          
Total long-term debt 9,704       7,963
Long-term lease obligations          
Disclosure of detailed information about borrowings [line items]          
Less current portion of long-term debt (214)       (182)
Total long-term debt $ 967       $ 852