v3.25.1
Background, Description of the Business, and Basis of Presentation - Revised Interim Consolidated Statements of Stockholders' Equity (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended 9 Months Ended 12 Months Ended
Mar. 31, 2025
Sep. 30, 2024
Jun. 30, 2024
Mar. 31, 2024
Jun. 30, 2024
Sep. 30, 2024
Dec. 31, 2024
Error Corrections and Prior Period Adjustments Restatement [Line Items]              
Total stockholders' equity, beginning balance $ 588 $ 716 $ 755 $ 738 $ 738 $ 738 $ 738
Net income (loss) (4) (32) 60 54 113 81 70
Total stockholders' equity, ending balance 580 645 716 755 716 645 588
Retained Earnings [Member]              
Error Corrections and Prior Period Adjustments Restatement [Line Items]              
Total stockholders' equity, beginning balance 1,701 1,819 1,798 1,781 1,781 1,781 1,781
Net income (loss) (4) (32) 60 54 113 81 70
Total stockholders' equity, ending balance 1,659 1,749 1,819 1,798 1,819 1,749 1,701
As reported [Member]              
Error Corrections and Prior Period Adjustments Restatement [Line Items]              
Total stockholders' equity, beginning balance 605 725 754 739 739 739 739
Net income (loss)   (27) 70 52 121 94 86
Total stockholders' equity, ending balance   659 725 754 725 659 605
As reported [Member] | Retained Earnings [Member]              
Error Corrections and Prior Period Adjustments Restatement [Line Items]              
Total stockholders' equity, beginning balance 1,718 1,828 1,797 1,782 1,782 1,782 1,782
Net income (loss)   (27) 70 52 121 94 86
Total stockholders' equity, ending balance   1,763 1,828 1,797 1,828 1,763 1,718
Adjustments [Member]              
Error Corrections and Prior Period Adjustments Restatement [Line Items]              
Total stockholders' equity, beginning balance (17) (9) 1 (1) (1) (1) (1)
Net income (loss)   (5) (10) 2 (8) (13) (16)
Total stockholders' equity, ending balance   (14) (9) 1 (9) (14) (17)
Adjustments [Member] | Retained Earnings [Member]              
Error Corrections and Prior Period Adjustments Restatement [Line Items]              
Total stockholders' equity, beginning balance $ (17) (9) 1 (1) (1) (1) (1)
Net income (loss)   (5) (10) 2 (8) (13) (16)
Total stockholders' equity, ending balance   $ (14) $ (9) $ 1 $ (9) $ (14) $ (17)