v3.26.3
Related-Party Transactions - Schedule of Net Parent Investment (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Related Party Transaction [Line Items]        
Income tax expense (Note 13) $ (35) $ (54) $ (72) $ (104)
Related Party        
Related Party Transaction [Line Items]        
Cash pooling and general financing activities, net     (106) (457)
Corporate cost allocations     93 332
Income tax expense (Note 13)     (7) 6
Net transfers to Former Parent per consolidated statements of cash flows     (20) (119)
Transfer of net assets with Former Parent     (16) 0
Related party receivables exchanged with Former Parent     0 53
Deferred and non-cash taxes settled with Former Parent through Former Parent's net investment     53 0
Net transfers from Former Parent per consolidated statements of shareholders' equity   $ (200) $ 17 $ (66)