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Intangibles, Net - Identified Intangible Assets by Major Classification (Detail) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Finite Lived Intangible Assets [Line Items]    
Gross Carrying Amount $ 78 $ 35
Accumulated Amortization (13) (7)
Net Book Value 65 28
Tradenames and Patents [Member]    
Finite Lived Intangible Assets [Line Items]    
Gross Carrying Amount 22 2
Accumulated Amortization (2) (1)
Net Book Value 20 1
Customer Relationships [Member]    
Finite Lived Intangible Assets [Line Items]    
Gross Carrying Amount 52 29
Accumulated Amortization (8) (4)
Net Book Value 44 25
Other [Member]    
Finite Lived Intangible Assets [Line Items]    
Gross Carrying Amount 4 4
Accumulated Amortization (3) (2)
Net Book Value $ 1 $ 2