Pension Plans and Similar Obligations - Plan Asset Allocation (Details) - EUR (€) € in Millions	Dec. 31, 2020	Dec. 31, 2019
Pension Plans and Similar Obligations
Total	€ 1,691	€ 1,485
Level 1
Pension Plans and Similar Obligations
Total	485	445
Equity investments	149	137
Corporate Bonds	151	156
Insurance policies	7	6
Not Quoted in an Active Market
Pension Plans and Similar Obligations
Total	1,207	1,040
Equity investments	0	0
Corporate Bonds	0	0
Insurance policies	€ 1,207	€ 1,040

The amount instruments representing debt (rather than equity) contribute to the fair value of defined benefit plan assets. [Refer: Plan assets, at fair value; Defined benefit plans [member]]

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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

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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

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The amount that insurance policies constitute of the fair value of defined benefit plan assets.

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