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Segmented Information - Summary of Reconciles Total Assets to Net Assets (Detail) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Summary of Reconciles Total Assets to Net Assets [Line Items]    
Total Assets $ 31,039 $ 32,255
Cash and cash equivalents (1,247) (1,198)
Deferred tax assets (819) (621)
Accounts payable (7,194) (7,842)
Accrued salaries and wages (867) (912)
Other accrued liabilities (2,572) (2,626)
Segment Net Assets 18,273 19,007
Corporate Joint Venture [Member]    
Summary of Reconciles Total Assets to Net Assets [Line Items]    
Long-term receivables from joint venture partners $ (67) $ (49)