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PENSION AND OTHER POST-EMPLOYMENT BENEFIT OBLIGATIONS - Plan Asset Categories (Details) - EUR (€) € in Millions | Dec. 31, 2023 | Dec. 31, 2022
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Disclosure of changes in financial position [line items] |  |
Cash & cash equivalents | € 5 | € 4
Equities | 136 | 123
Bonds | 238 | 226
Property | 77 | 74
Other | 32 | 34
Total fair value of plan assets | 488 | 461
Quoted in an active market |  |
Disclosure of changes in financial position [line items] |  |
Cash & cash equivalents | 5 | 4
Equities | 92 | 87
Bonds | 209 | 146
Property | 15 | 14
Other | 0 | 0
Total fair value of plan assets | 321 | 251
Not quoted in an active market |  |
Disclosure of changes in financial position [line items] |  |
Cash & cash equivalents | 0 | 0
Equities | 44 | 36
Bonds | 29 | 80
Property | 62 | 60
Other | 32 | 34
Total fair value of plan assets | € 167 | € 210

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- Definition The amount cash and cash equivalents contribute to the fair value of defined benefit plan assets. [Refer: Cash and cash equivalents; Plan assets, at fair value; Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 19 -IssueDate 2023-01-01 -Paragraph 142 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_142_a&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The amount instruments representing equity (rather than debt) contribute to the fair value of defined benefit plan assets. [Refer: Plan assets, at fair value; Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 19 -IssueDate 2023-01-01 -Paragraph 142 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_142_b&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The amount other types of assets not separately disclosed contribute to the fair value of defined benefit plan assets. [Refer: Plan assets, at fair value; Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2023-01-01 -Paragraph 142 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_142&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The fair value of defined benefit plan assets. Plan assets comprise assets held by a long-term employee benefit fund and qualifying insurance policies. [Refer: At fair value [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2023-01-01 -Paragraph 57 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_57_a&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The amount real estate contributes to the fair value of defined benefit plan assets. [Refer: Plan assets, at fair value; Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 19 -IssueDate 2023-01-01 -Paragraph 142 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2023-en-r&anchor=para_142_d&doctype=Standard -URIDate 2023-03-23 + Details
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