v3.25.2
Revision of Previously Issued Financial Statements - Consolidated Statements of Cash Flows (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2025
Mar. 31, 2025
Dec. 31, 2024
Sep. 30, 2024
Jun. 30, 2024
Mar. 31, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Error Corrections and Prior Period Adjustments Restatement [Line Items]                      
Net income (loss) $ 18 $ 47 $ 21 $ 22 $ (97) $ 61 $ 65 $ (36) $ 7 $ (126) $ (42)
Deferred income taxes             7 (24) 7 (64) (104)
Change in operating assets and liabilities:                      
Current inventories             22 (35) (43) (6)  
Other current and noncurrent assets             31 393 377 (418)  
Other current and noncurrent liabilities             131 61 8 110 (100)
Net cash provided by (used in) operating activities             $ 233 $ 51 36 (300) (4)
As reported                      
Error Corrections and Prior Period Adjustments Restatement [Line Items]                      
Net income (loss)     20 21 (98) 60     2 (129) (44)
Deferred income taxes                 6 (65) (105)
Change in operating assets and liabilities:                      
Current inventories                 (45) (15)  
Other current and noncurrent assets                 378 (410)  
Other current and noncurrent liabilities                 14 114 (97)
Net cash provided by (used in) operating activities                 36 (300) (4)
Adjustment                      
Error Corrections and Prior Period Adjustments Restatement [Line Items]                      
Net income (loss)     $ 1 $ 1 $ 1 $ 1     5 3 3
Deferred income taxes                 1 1 1
Change in operating assets and liabilities:                      
Current inventories                 2 9  
Other current and noncurrent assets                 (1) (9)  
Other current and noncurrent liabilities                 (6) (4) (4)
Net cash provided by (used in) operating activities                 $ 0 $ 0 $ 0