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Other Financial Assets and Liabilities - Summary of Unrealised Gains or Losses Recognised in Other Income/Expenses (Detail) - Embedded Derivatives [Member] - Financial liabilities at fair value through profit or loss, category [member]
$ in Millions
12 Months Ended
Dec. 31, 2023
USD ($)
[1]
Urea Sales Price [Member]  
Disclosure In Tabular Form Of Sensitivity Analysis Used In The Fair Value Measurement Of Embedded Derivative Liabilities [Line Items]  
Change in assumption increase $ 145
Change in assumption decrease (145)
Discount rate, measurement input [member]  
Disclosure In Tabular Form Of Sensitivity Analysis Used In The Fair Value Measurement Of Embedded Derivative Liabilities [Line Items]  
Change in assumption increase (208) [2]
Change in assumption decrease $ 258 [2]
[1] Amounts shown represent the change of the present value of the contract keeping all other variables constant.
[2] A change of 1.5% represents 150 basis points.