Changes in the fair value of these instruments.

No definition available.

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- Definition

Derivative maturity date month and year.

+ References

No definition available.

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- Definition

Equity forward contract settled by shares.

+ References

No definition available.

+ Details

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- Definition

Equity forward contracts early settled by shares.

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No definition available.

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- Definition

Financial assets at fair values through profit or loss.

+ References

No definition available.

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- Definition

Net foreign exchange gain (loss).

+ References

No definition available.

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- Definition

payments on contract.

+ References

No definition available.

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- Definition

The interest rate on borrowings. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

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- Definition

The fair value of financial assets. [Refer: At fair value [member]; Financial assets]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

The fair value of financial liabilities. [Refer: At fair value [member]; Financial liabilities]

+ References

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- Definition

The gain (loss) recognised on designation of a financial instrument, or a proportion of it, as measured at fair value through profit or loss, because a credit derivative is used to manage the credit risk of that financial instrument. [Refer: Credit risk [member]; Derivatives [member]; Financial instruments, class [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

The gain (loss) recognised on derecognition of financial instruments whose fair value previously could not be reliably measured. [Refer: Financial instruments, class [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

The net gain arising from exchange differences recognised in profit or loss, excluding those arising on financial instruments measured at fair value through profit or loss in accordance with IFRS 9. [Refer: Foreign exchange gain (loss)]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

The net loss arising from exchange differences recognised in profit or loss, excluding those arising on financial instruments measured at fair value through profit or loss in accordance with IFRS 9. [Refer: Foreign exchange gain (loss)]

+ References

+ Details

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- Definition

The nominal or face amount of a financial instrument, used to calculate payments made on that instrument.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Financial Instruments - Additional Information - Derivative Financial Instruments (Detail) - USD ($) shares in Millions, $ in Millions		12 Months Ended
	Sep. 30, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Nov. 30, 2021
Disclosure of detailed information about financial instruments [line items]
Gains and (losses) related to recognition of changes in fair values of the derivative instruments		$ (6)	$ (17)	$ (1)
Mexican Peso Floating Rates [member]
Disclosure of detailed information about financial instruments [line items]
Gain (loss) due to changes in estimated fair value		15	(3)
Payments on Contract		3
Currency swap contract [member] \| Euro denominated [Member]
Disclosure of detailed information about financial instruments [line items]
Derivative financial instrument, Notional amount		750
Net foreign exchange loss		1
Net foreign exchange gain		10
Foreign Exchange Options [Member]
Disclosure of detailed information about financial instruments [line items]
Derivative financial instrument, Notional amount		$ 250
Financial Income And Other Items [Member] \| CEMEX SAB De CV April 2024 Notes [Member]
Disclosure of detailed information about financial instruments [line items]
Gain (loss) due to changes in estimated fair value			3
Financial Income And Other Items [Member] \| Foreign Exchange Options [Member]
Disclosure of detailed information about financial instruments [line items]
Derivative contracts maturity date		September 2022
Changes in the fair value of these instruments		$ 5
Fuel Price Forward Contracts [member]
Disclosure of detailed information about financial instruments [line items]
Derivative financial instrument, Notional amount		145	128
Financial liabilities at estimated fair value		30	5
Gain (loss) due to changes in estimated fair value		22	7	15
Net Investment Hedges [member] \| Forward Contract [Member]
Disclosure of detailed information about financial instruments [line items]
Derivative financial instrument, Notional amount		761	741
Net foreign exchange gain (loss)			53	(126)
Net foreign exchange loss		4
Net Investment Hedges [member] \| Top of range [member] \| Forward Contract [Member]
Disclosure of detailed information about financial instruments [line items]
Derivative financial instrument, Notional amount		1,250
Equity Investments [Member]
Disclosure of detailed information about financial instruments [line items]
Financial assets at fair value through profit or loss		2	$ 1	$ 2
Forward contract to be settled in shares			4.7
Forward contract settled in cash			9.2	6.9
Interest Rate Swap Contract [Member] \| Cemex [Member] \| Financial Income And Other Items [Member]
Disclosure of detailed information about financial instruments [line items]
Payments on Contract	$ 14
Interest Rate Swap Contract [Member] \| Top of range [member] \| Cemex [Member]
Disclosure of detailed information about financial instruments [line items]
Borrowings, interest rate	3.05%
Interest Rate Swap Contract [Member] \| Bottom of range [member] \| Cemex [Member]
Disclosure of detailed information about financial instruments [line items]
Borrowings, interest rate	2.56%
Interest Rate Swap Contract [Member] \| Loans from banks at floating interest rate [member]
Disclosure of detailed information about financial instruments [line items]
Derivative financial instrument, Notional amount		750	$ 1,000
Financial assets at fair value through profit or loss					$ 5
Financial liabilities at estimated fair value		30	44
Gain (loss) due to changes in estimated fair value		23	9
Foreign exchange forwards related to forecasted transactions [member] \| 2017 Credit Agreement [member]
Disclosure of detailed information about financial instruments [line items]
Derivative financial instrument, Notional amount			397
Foreign exchange forwards related to forecasted transactions [member] \| Financial Income And Other Items [Member] \| 2017 Credit Agreement [member]
Disclosure of detailed information about financial instruments [line items]
Net foreign exchange gain (loss)			$ 15
DollarEuro Foreign Exchange Forward Contracts [Member] \| April 2024 Notes [Member]
Disclosure of detailed information about financial instruments [line items]
Borrowings, interest rate			4.625%
British PoundEuro Foreign Exchange Forward Contracts [Member]
Disclosure of detailed information about financial instruments [line items]
Derivative financial instrument, Notional amount			$ 186
British PoundEuro Foreign Exchange Forward Contracts [Member] \| Financial Income And Other Items [Member]
Disclosure of detailed information about financial instruments [line items]
Gain (loss) due to changes in estimated fair value			9
Interest Rate Swaps [member] \| Mexican Peso Floating Rates [member]
Disclosure of detailed information about financial instruments [line items]
Derivative financial instrument, Notional amount		255	334
Financial liabilities at estimated fair value			$ 3
Financial assets at estimated fair value		$ 12