Derivatives and Hedging - Foreign Exchange Risk Management Narrative (Details) - Foreign exchange contracts	9 Months Ended
	Sep. 30, 2021
Derivative [Line Items]
Term of derivative contract	90 days
Not designated as hedging instrument
Derivative [Line Items]
Foreign currency exposures, maximum hedging period (up to)	1 year
Cash Flow Hedging
Derivative [Line Items]
Foreign currency exposures, maximum average hedging period (less than)	2 years