v3.26.1
Related-Party Transactions - Schedule of Net Parent Investment (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Related Party Transaction [Line Items]        
Income tax expense (Note 13) $ (46) $ (21) $ (37) $ (50)
Related Party        
Related Party Transaction [Line Items]        
Cash pooling and general financing activities, net     (133) (47)
Corporate cost allocations     93 213
Income tax expense (Note 13)     (7) (32)
Net transfers (to) from Former Parent per consolidated statements of cash flows     (47) 134
Transfer of net assets with Former Parent     (17) 0
Related party receivables exchanged with Former Parent     28 0
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 $ (36) $ 95 $ 17 $ 134