v3.26.1
Revision of prior period financial statements - Condensed Consolidated Statements of Changes in Equity (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Error Corrections and Prior Period Adjustments Restatement [Line Items]              
Beginning balance $ 12,966 $ 13,121 $ 9,607 $ 9,779 $ 13,121 $ 9,779 $ 9,779
Net income (loss) 476 (107) 416 (94) 369 322 1,191
Other comprehensive income (loss), net of tax (100) (53) 220 23 (153) 243 213
Net transfers from Parent including Spin-off-related adjustments     2,029 (101)   1,928 1,928
Changes in equity attributable to noncontrolling interests     0 0   0 (1)
Issuance of Common stock, Treasury stock and reclassification of Net parent investment     0     0 0
Share-based compensation expense   9         11
Shares withheld for employees’ income tax obligations and other (1) (4)     (5)    
Ending balance 12,858 12,966 12,272 9,607 12,858 12,272 13,121
Common stock              
Error Corrections and Prior Period Adjustments Restatement [Line Items]              
Beginning balance 6 6 0 0 6 0 0
Issuance of Common stock, Treasury stock and reclassification of Net parent investment     6     6 6
Ending balance 6 6 6 0 6 6 6
Additional paid-in              
Error Corrections and Prior Period Adjustments Restatement [Line Items]              
Beginning balance 12,575 12,569 0 0 12,569 0 0
Issuance of Common stock, Treasury stock and reclassification of Net parent investment     12,558     12,558 12,558
Share-based compensation expense   9         11
Shares withheld for employees’ income tax obligations and other (1) (3)     (4)    
Ending balance 12,590 12,575 12,558 0 12,590 12,558 12,569
Retained              
Error Corrections and Prior Period Adjustments Restatement [Line Items]              
Beginning balance 824 930 0 0 930 0 0
Net income (loss) 478 (105) 59   373 59 930
Shares withheld for employees’ income tax obligations and other   (1)     (1)    
Ending balance 997 824 59 0 997 59 930
Net parent              
Error Corrections and Prior Period Adjustments Restatement [Line Items]              
Beginning balance 0 0 10,179 10,375 0 10,375 10,375
Net income (loss)     358 (94)   264 264
Net transfers from Parent including Spin-off-related adjustments     2,027 (101)   1,926 1,926
Changes in equity attributable to noncontrolling interests       (1)   (1) (1)
Issuance of Common stock, Treasury stock and reclassification of Net parent investment     (12,564)     (12,564) (12,564)
Ending balance 0 0 0 10,179 0 0 0
Accumulated other comprehensive              
Error Corrections and Prior Period Adjustments Restatement [Line Items]              
Beginning balance (433) (380) (572) (595) (380) (595) (595)
Other comprehensive income (loss), net of tax (100) (53) 220 23 (153) 243 213
Net transfers from Parent including Spin-off-related adjustments     2     2 2
Ending balance (533) (433) (350) (572) (533) (350) (380)
Equity attributable to noncontrolling              
Error Corrections and Prior Period Adjustments Restatement [Line Items]              
Beginning balance (6) (4) 0 (1) (4) (1) (1)
Net income (loss) (2) (2) (1)   (4) (1) (3)
Changes in equity attributable to noncontrolling interests       1   1  
Ending balance (8) (6) (1) 0 (8) (1) (4)
As previously reported              
Error Corrections and Prior Period Adjustments Restatement [Line Items]              
Beginning balance 13,088 13,254 9,750 9,914 13,254 9,914 9,914
Net income (loss)   (118) 428 (87)   341 1,182
Other comprehensive income (loss), net of tax   (53) 226 17   243 213
Net transfers from Parent including Spin-off-related adjustments     2,029 (94)   1,935 1,935
Changes in equity attributable to noncontrolling interests     0 0   0 (1)
Issuance of Common stock, Treasury stock and reclassification of Net parent investment     0     0 0
Share-based compensation expense   9         11
Shares withheld for employees’ income tax obligations and other   (4)          
Ending balance   13,088 12,433 9,750   12,433 13,254
As previously reported | Common stock              
Error Corrections and Prior Period Adjustments Restatement [Line Items]              
Beginning balance 6 6 0 0 6 0 0
Issuance of Common stock, Treasury stock and reclassification of Net parent investment     6     6 6
Ending balance   6 6 0   6 6
As previously reported | Additional paid-in              
Error Corrections and Prior Period Adjustments Restatement [Line Items]              
Beginning balance 12,747 12,741 0 0 12,741 0 0
Issuance of Common stock, Treasury stock and reclassification of Net parent investment     12,730     12,730 12,730
Share-based compensation expense   9         11
Shares withheld for employees’ income tax obligations and other   (3)          
Ending balance   12,747 12,730 0   12,730 12,741
As previously reported | Retained              
Error Corrections and Prior Period Adjustments Restatement [Line Items]              
Beginning balance 785 902 0 0 902 0 0
Net income (loss)   (116) 59     59 902
Shares withheld for employees’ income tax obligations and other   (1)          
Ending balance   785 59 0   59 902
As previously reported | Net parent              
Error Corrections and Prior Period Adjustments Restatement [Line Items]              
Beginning balance   0 10,339 10,521 0 10,521 10,521
Net income (loss)     370 (87)   283 283
Net transfers from Parent including Spin-off-related adjustments     2,027 (94)   1,933 1,933
Changes in equity attributable to noncontrolling interests       (1)   (1) (1)
Issuance of Common stock, Treasury stock and reclassification of Net parent investment     (12,736)     (12,736) (12,736)
Ending balance     0 10,339   0 0
As previously reported | Accumulated other comprehensive              
Error Corrections and Prior Period Adjustments Restatement [Line Items]              
Beginning balance (444) (391) (589) (606) (391) (606) (606)
Other comprehensive income (loss), net of tax   (53) 226 17   243 213
Net transfers from Parent including Spin-off-related adjustments     2     2 2
Ending balance   (444) (361) (589)   (361) (391)
As previously reported | Equity attributable to noncontrolling              
Error Corrections and Prior Period Adjustments Restatement [Line Items]              
Beginning balance (6) (4) 0 (1) (4) (1) (1)
Net income (loss)   (2) (1)     (1) (3)
Changes in equity attributable to noncontrolling interests       1   1  
Ending balance   (6) (1) 0   (1) (4)
Adjustments              
Error Corrections and Prior Period Adjustments Restatement [Line Items]              
Beginning balance (122) (133) (143) (135) (133) (135) (135)
Net income (loss)   11 (12) (7)   (19) 9
Other comprehensive income (loss), net of tax   0 (6) 6   0 0
Net transfers from Parent including Spin-off-related adjustments     0 (7)   (7) (7)
Changes in equity attributable to noncontrolling interests     0 0   0 0
Issuance of Common stock, Treasury stock and reclassification of Net parent investment     0     0 0
Share-based compensation expense   0         0
Shares withheld for employees’ income tax obligations and other   0          
Ending balance   (122) (161) (143)   (161) (133)
Adjustments | Common stock              
Error Corrections and Prior Period Adjustments Restatement [Line Items]              
Beginning balance 0 0 0 0 0 0 0
Ending balance   0 0 0   0 0
Adjustments | Additional paid-in              
Error Corrections and Prior Period Adjustments Restatement [Line Items]              
Beginning balance (172) (172) 0 0 (172) 0 0
Issuance of Common stock, Treasury stock and reclassification of Net parent investment     (172)     (172) (172)
Ending balance   (172) (172) 0   (172) (172)
Adjustments | Retained              
Error Corrections and Prior Period Adjustments Restatement [Line Items]              
Beginning balance 39 28 0 0 28 0 0
Net income (loss)   11         28
Ending balance   39 0 0   0 28
Adjustments | Net parent              
Error Corrections and Prior Period Adjustments Restatement [Line Items]              
Beginning balance   0 (160) (146) 0 (146) (146)
Net income (loss)     (12) (7)   (19) (19)
Net transfers from Parent including Spin-off-related adjustments       (7)   (7) (7)
Issuance of Common stock, Treasury stock and reclassification of Net parent investment     172     172 172
Ending balance     0 (160)   0 0
Adjustments | Accumulated other comprehensive              
Error Corrections and Prior Period Adjustments Restatement [Line Items]              
Beginning balance 11 11 17 11 11 11 11
Other comprehensive income (loss), net of tax     (6) 6      
Ending balance   11 11 17   11 11
Adjustments | Equity attributable to noncontrolling              
Error Corrections and Prior Period Adjustments Restatement [Line Items]              
Beginning balance $ 0 0 0 0 $ 0 0 0
Ending balance   $ 0 $ 0 $ 0   $ 0 $ 0