v3.25.4
Financial Instruments - Disclosure of Maturity Analysis for Non-Derivative and Derivative Financial Liabilities (Detail) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Disclosure of maturity analysis for derivative and non-derivative financial liabilities [line items]    
Trade payables $ 147 $ 176
Accruals 826 799
Add: Lease liabilities (current and non-current) 249 256
Undiscounted Cash Flow [Member]    
Disclosure of maturity analysis for derivative and non-derivative financial liabilities [line items]    
Commercial paper 295  
Notes/debentures 1,869 2,842
Interest payable 1,103 1,207
Debt-related hedges outflows 433 1,011
Debt-related hedges inflows (402) (984)
Trade payables 147 176
Accruals 826 799
Add: Lease liabilities (current and non-current) 297 304
Other financial liabilities 53 68
Total 4,621 5,423
Not Later than One Year [member] | Undiscounted Cash Flow [Member]    
Disclosure of maturity analysis for derivative and non-derivative financial liabilities [line items]    
Commercial paper 295  
Notes/debentures 500 973
Interest payable 84 104
Debt-related hedges outflows 25 1,011
Debt-related hedges inflows (26) (984)
Trade payables 147 176
Accruals 826 799
Add: Lease liabilities (current and non-current) 68 72
Other financial liabilities 49 34
Total 1,968 2,185
Later than One Year and not Later than Two Years [Member] | Undiscounted Cash Flow [Member]    
Disclosure of maturity analysis for derivative and non-derivative financial liabilities [line items]    
Commercial paper 0  
Notes/debentures 0 500
Interest payable 76 84
Debt-related hedges outflows 20 0
Debt-related hedges inflows (22) 0
Trade payables 0 0
Accruals 0 0
Add: Lease liabilities (current and non-current) 58 60
Other financial liabilities 4 34
Total 136 678
Later than Two Years and not Later than Three Years [Member] | Undiscounted Cash Flow [Member]    
Disclosure of maturity analysis for derivative and non-derivative financial liabilities [line items]    
Commercial paper 0  
Notes/debentures 0 0
Interest payable 76 76
Debt-related hedges outflows 20 0
Debt-related hedges inflows (22) 0
Trade payables 0 0
Accruals 0 0
Add: Lease liabilities (current and non-current) 37 45
Other financial liabilities 0 0
Total 111 121
Later than Three Years and not Later than Four Years [Member] | Undiscounted Cash Flow [Member]    
Disclosure of maturity analysis for derivative and non-derivative financial liabilities [line items]    
Commercial paper 0  
Notes/debentures 0 0
Interest payable 76 76
Debt-related hedges outflows 21 0
Debt-related hedges inflows (22) 0
Trade payables 0 0
Accruals 0 0
Add: Lease liabilities (current and non-current) 29 30
Other financial liabilities 0 0
Total 104 106
Later than Four Years and not Later than Five Years [Member] | Undiscounted Cash Flow [Member]    
Disclosure of maturity analysis for derivative and non-derivative financial liabilities [line items]    
Commercial paper 0  
Notes/debentures 0 0
Interest payable 76 76
Debt-related hedges outflows 22 0
Debt-related hedges inflows (22) 0
Trade payables 0 0
Accruals 0 0
Add: Lease liabilities (current and non-current) 25 24
Other financial liabilities 0 0
Total 101 100
Later than Five Years [Member] | Undiscounted Cash Flow [Member]    
Disclosure of maturity analysis for derivative and non-derivative financial liabilities [line items]    
Commercial paper 0  
Notes/debentures 1,369 1,369
Interest payable 715 791
Debt-related hedges outflows 325 0
Debt-related hedges inflows (288) 0
Trade payables 0 0
Accruals 0 0
Add: Lease liabilities (current and non-current) 80 73
Other financial liabilities 0 0
Total $ 2,201 $ 2,233