v3.25.4
ACQUISITIONS AND DISPOSITIONS - Narrative (Details)
¥ in Millions, SFr in Millions, $ in Millions
3 Months Ended 12 Months Ended
Mar. 01, 2023
USD ($)
Mar. 01, 2023
CNY (¥)
Dec. 01, 2022
USD ($)
Dec. 01, 2022
CHF (SFr)
Dec. 31, 2025
USD ($)
Jun. 30, 2025
USD ($)
Mar. 31, 2025
USD ($)
Dec. 31, 2025
USD ($)
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
CHF (SFr)
Dec. 31, 2024
USD ($)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
USD ($)
Dec. 31, 2023
CNY (¥)
Jan. 31, 2026
USD ($)
Jan. 31, 2026
CNY (¥)
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
CHF (SFr)
Jul. 03, 2023
Mar. 01, 2023
CNY (¥)
Dec. 01, 2022
CHF (SFr)
Business Combination [Line Items]                                          
Proceeds from divestiture of businesses               $ 7     $ 8   $ 9                
Costs to exit charging business               23     0   0                
Costs to exit charging business (Note 2)               32     0   0                
Asset impairments               624     646   29                
Impairment of intangible assets               27                          
Goodwill impairment             $ 13 423     577                    
Distribution of outstanding common stock percentage                                     100.00%    
Battery & Charging Systems                                          
Business Combination [Line Items]                                          
Goodwill impairment         $ 410     423     109                    
Fixed asset impairment               7                          
Disposal Group, Held-for-Sale or Disposed of by Sale, Not Discontinued Operations | SSE Business                                          
Business Combination [Line Items]                                          
Proceeds from divestiture of businesses           $ 7                              
Costs to exit charging business               $ 22                          
Impairment Of Intangible Asset Finite Lived Statement Of Income Or Comprehensive Income Extensible Enumeration Not Disclosed Flag               impairments of intangible assets impairments of intangible assets impairments of intangible assets                      
Impairment of intangible assets               $ 22                          
Goodwill impairment               13                          
Fixed asset impairment               4                          
Disposal Group, Held-for-Sale or Disposed of by Sale, Not Discontinued Operations | SSE Business | Battery & Charging Systems                                          
Business Combination [Line Items]                                          
Costs to exit charging business (Note 2)               32                          
Inventory Write-down               9                          
Asset impairments               39                          
Hubei Surpass Sun Electric Charging Business Member                                          
Business Combination [Line Items]                                          
Business acquisition, percentage of voting interests acquired 100.00%                                     100.00%  
Consideration transferred $ 42 ¥ 288                                      
Base purchase price 39 ¥ 268                                      
Payments to acquire businesses                     4 ¥ 25 $ 31 ¥ 217              
Contractual earn-out payments $ 15                                     ¥ 103  
Business combination, remaining consideration paid               2 ¥ 10   $ 1 ¥ 10                  
Hubei Surpass Sun Electric Charging Business Member | Other current liabilities                                          
Business Combination [Line Items]                                          
Business combination, consideration payable in next two years         3     3                 ¥ 20        
Business combination, consideration payable in next three months         1     1                 ¥ 6        
Hubei Surpass Sun Electric Charging Business Member | Other current liabilities | Subsequent event                                          
Business Combination [Line Items]                                          
Business combination, consideration payable in next two years                             $ 3 ¥ 19          
Drivetek AG                                          
Business Combination [Line Items]                                          
Business acquisition, percentage of voting interests acquired     100.00%                                   100.00%
Consideration transferred     $ 39 SFr 37                                  
Payments to acquire businesses     29 SFr 27                                  
Contractual earn-out payments     $ 10                                   SFr 10
Business combination, remaining consideration paid               2   SFr 2                      
Retention payment payable period     3 years                                   3 years
Other non-current liability         $ 3     $ 3                   SFr 2