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Derivative Financial Instruments - Summary of Operating Currency Hedging Instruments (Details) € in Millions	Jun. 30, 2025 EUR (€)
Fair value
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	€ 49
Fair value | Forward currency sales
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	133
Fair value | Forward currency sales in US dollar
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	100
Fair value | Forward currency sales in Singapore dollar
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	10
Fair value | Forward currency sales in Chinese yuan renminbi
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	14
Fair value | Forward currency sales in Japanese yen
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	9
Fair value | Forward Currency Sales In Pound Sterling [Member]
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	2
Fair value | Forward currency purchases
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	(84)
Fair value | Forward currency purchases in US dollar
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	(55)
Fair value | Forward currency purchases in Singapore dollar
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	(15)
Fair value | Forward currency purchases in Chinese yuan renminbi
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	(5)
Fair value | Forward Currency Purchases In United Arab Emirates Dirham
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	(5)
Fair value | Forward Currency Purchases In Turkish lira
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	(4)
Fair value | Cash flow hedges
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	0
Fair value | Cash flow hedges | Forward currency sales
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	0
Fair value | Cash flow hedges | Forward currency sales in US dollar
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	0
Fair value | Cash flow hedges | Forward currency sales in Singapore dollar
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	0
Fair value | Cash flow hedges | Forward currency sales in Chinese yuan renminbi
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	0
Fair value | Cash flow hedges | Forward currency sales in Japanese yen
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	0
Fair value | Cash flow hedges | Forward Currency Sales In Pound Sterling [Member]
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	0
Fair value | Cash flow hedges | Forward currency purchases
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	0
Fair value | Cash flow hedges | Forward currency purchases in US dollar
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	0
Fair value | Cash flow hedges | Forward currency purchases in Singapore dollar
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	0
Fair value | Cash flow hedges | Forward currency purchases in Chinese yuan renminbi
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	0
Fair value | Cash flow hedges | Forward Currency Purchases In United Arab Emirates Dirham
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	0
Fair value | Cash flow hedges | Forward Currency Purchases In Turkish lira
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	0
Fair value | Not eligible for hedge accounting
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	49
Fair value | Not eligible for hedge accounting | Forward currency sales
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	133
Fair value | Not eligible for hedge accounting | Forward currency sales in US dollar
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	100
Fair value | Not eligible for hedge accounting | Forward currency sales in Singapore dollar
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	10
Fair value | Not eligible for hedge accounting | Forward currency sales in Chinese yuan renminbi
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	14
Fair value | Not eligible for hedge accounting | Forward currency sales in Japanese yen
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	9
Fair value | Not eligible for hedge accounting | Forward Currency Sales In Pound Sterling [Member]
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	2
Fair value | Not eligible for hedge accounting | Forward currency purchases
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	(84)
Fair value | Not eligible for hedge accounting | Forward currency purchases in US dollar
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	(55)
Fair value | Not eligible for hedge accounting | Forward currency purchases in Singapore dollar
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	(15)
Fair value | Not eligible for hedge accounting | Forward currency purchases in Chinese yuan renminbi
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	(5)
Fair value | Not eligible for hedge accounting | Forward Currency Purchases In United Arab Emirates Dirham
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	(5)
Fair value | Not eligible for hedge accounting | Forward Currency Purchases In Turkish lira
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	(4)
Notional amount
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	11,037
Notional amount | Forward currency sales
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	6,619
Notional amount | Forward currency sales in US dollar
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	3,351
Notional amount | Forward currency sales in Singapore dollar
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	539
Notional amount | Forward currency sales in Chinese yuan renminbi
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	480
Notional amount | Forward currency sales in Japanese yen
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	253
Notional amount | Forward Currency Sales In Pound Sterling [Member]
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	173
Notional amount | Forward currency purchases
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	4,418
Notional amount | Forward currency purchases in US dollar
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	2,540
Notional amount | Forward currency purchases in Singapore dollar
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	610
Notional amount | Forward currency purchases in Chinese yuan renminbi
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	277
Notional amount | Forward Currency Purchases In United Arab Emirates Dirham
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	120
Notional amount | Forward Currency Purchases In Turkish lira
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	159
Notional amount | Cash flow hedges
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	0
Notional amount | Cash flow hedges | Forward currency sales
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	0
Notional amount | Cash flow hedges | Forward currency sales in US dollar
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	0
Notional amount | Cash flow hedges | Forward currency sales in Singapore dollar
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	0
Notional amount | Cash flow hedges | Forward currency sales in Chinese yuan renminbi
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	0
Notional amount | Cash flow hedges | Forward currency sales in Japanese yen
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	0
Notional amount | Cash flow hedges | Forward Currency Sales In Pound Sterling [Member]
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	0
Notional amount | Cash flow hedges | Forward currency purchases
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	0
Notional amount | Cash flow hedges | Forward currency purchases in US dollar
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	0
Notional amount | Cash flow hedges | Forward currency purchases in Singapore dollar
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	0
Notional amount | Cash flow hedges | Forward currency purchases in Chinese yuan renminbi
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	0
Notional amount | Cash flow hedges | Forward Currency Purchases In United Arab Emirates Dirham
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	0
Notional amount | Cash flow hedges | Forward Currency Purchases In Turkish lira
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	0
Notional amount | Not eligible for hedge accounting
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	11,037
Notional amount | Not eligible for hedge accounting | Forward currency sales
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	6,619
Notional amount | Not eligible for hedge accounting | Forward currency sales in US dollar
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	3,351
Notional amount | Not eligible for hedge accounting | Forward currency sales in Singapore dollar
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	539
Notional amount | Not eligible for hedge accounting | Forward currency sales in Chinese yuan renminbi
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	480
Notional amount | Not eligible for hedge accounting | Forward currency sales in Japanese yen
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	253
Notional amount | Not eligible for hedge accounting | Forward Currency Sales In Pound Sterling [Member]
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	173
Notional amount | Not eligible for hedge accounting | Forward currency purchases
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	4,418
Notional amount | Not eligible for hedge accounting | Forward currency purchases in US dollar
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	2,540
Notional amount | Not eligible for hedge accounting | Forward currency purchases in Singapore dollar
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	610
Notional amount | Not eligible for hedge accounting | Forward currency purchases in Chinese yuan renminbi
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	277
Notional amount | Not eligible for hedge accounting | Forward Currency Purchases In United Arab Emirates Dirham
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	120
Notional amount | Not eligible for hedge accounting | Forward Currency Purchases In Turkish lira
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	159
Value of hedge recognized in equity | Cash flow hedges
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	0
Value of hedge recognized in equity | Cash flow hedges | Forward currency sales
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	0
Value of hedge recognized in equity | Cash flow hedges | Forward currency sales in US dollar
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	0
Value of hedge recognized in equity | Cash flow hedges | Forward currency sales in Singapore dollar
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	0
Value of hedge recognized in equity | Cash flow hedges | Forward currency sales in Chinese yuan renminbi
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	0
Value of hedge recognized in equity | Cash flow hedges | Forward currency sales in Japanese yen
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	0
Value of hedge recognized in equity | Cash flow hedges | Forward Currency Sales In Pound Sterling [Member]
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	0
Value of hedge recognized in equity | Cash flow hedges | Forward currency purchases
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	0
Value of hedge recognized in equity | Cash flow hedges | Forward currency purchases in US dollar
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	0
Value of hedge recognized in equity | Cash flow hedges | Forward currency purchases in Singapore dollar
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	0
Value of hedge recognized in equity | Cash flow hedges | Forward currency purchases in Chinese yuan renminbi
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	0
Value of hedge recognized in equity | Cash flow hedges | Forward Currency Purchases In United Arab Emirates Dirham
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	0
Value of hedge recognized in equity | Cash flow hedges | Forward Currency Purchases In Turkish lira
Disclosure of Information about Credit Exposures Designated as Measured at Fair Value Through Profit or Loss [Line Items]
Operating currency hedging instruments in place	€ 0

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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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