XML 318 R156.htm IDEA: XBRL DOCUMENT v3.22.0.1

Analysis of Net Debt - Schedule of Effective Interest Rates on Period-End Fixed and Gross Debt (Parenthetical) (Detail) € in Millions, $ in Millions	1 Months Ended
	Apr. 30, 2021 EUR (€)	Jan. 31, 2021 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Disclosure Of Net Debt And Net Worth Capital And Reserves Attributable To Company Equity Holders [line items]
Nominal fixed rate debt hedged to floating rate using interest rate swaps | $			$ 1,800	$ 1,835
Repayments of bonds	€ 600	$ 400
Early repayment of bond | €	€ 600

X

- Definition

Disclosure of net debt and net worth (capital and reserves attributable to company's equity holders).

+ References

No definition available.

+ Details

Name:	crh_DisclosureOfNetDebtAndNetWorthCapitalAndReservesAttributableToCompanyEquityHoldersLineItems
Namespace Prefix:	crh_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Early Repayments Of Bonds

+ References

No definition available.

+ Details

Name:	crh_EarlyRepaymentsOfBonds
Namespace Prefix:	crh_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Nominal fixed rate debt amount hedged to floating rate using interest rate swaps.

+ References

No definition available.

+ Details

Name:	crh_NominalFixedRateDebtAmountHedgedToFloatingRateUsingInterestRateSwaps
Namespace Prefix:	crh_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The cash outflow for repayments of bonds, notes and debentures.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 7
-IssueDate 2021-01-01
-Paragraph 17
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_17&doctype=Standard
-URIDate 2021-03-24

+ Details

Name:	ifrs-full_RepaymentsOfBondsNotesAndDebentures
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration