v3.26.1
Related-Party Transactions - Net Parent Investment (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Related Party Transaction [Line Items]    
Income tax benefit (expense) (Note 13) $ 9 $ (29)
Related Party    
Related Party Transaction [Line Items]    
Cash pooling and general financing activities, net (216) (45)
Corporate cost allocations 93 97
Income tax benefit (expense) (Note 13) (7) (13)
Net transfers (to) from Parent per combined statements of cash flows (130) 39
Transfer of net assets with Parent 19 0
Related party receivables exchanged with Parent 111 0
Deferred and non-cash taxes settled with Parent through net parent investment 53 0
Net transfers from Parent per combined statements of net parent investment $ 53 $ 39