Debt - Summary of Long-Term Debt (Parenthetical) (Details) - EUR (€)	Dec. 31, 2021	Jun. 22, 2018
Notes due June 2026
Debt Instrument [Line Items]
Principal amount	€ 500,000,000.0	€ 500,000,000.0
€400 due September 2022
Debt Instrument [Line Items]
Principal amount	€ 400,000,000.0

Face (par) amount of debt instrument at time of issuance.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant