Commitments and Contingencies - Narrative (Details) $ in Millions	Sep. 30, 2021 USD ($)
Commitments and Contingencies
Letters of credit outstanding and bank guarantees	$ 470
Pending Litigation
Commitments and Contingencies
Range of possible loss, portion not accrued	$ 30

The difference between the maximum amount of estimated loss and the amount recorded as of the balance sheet date.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 05
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=99385795&loc=d3e12631-108344

Name:	us-gaap_LossContingencyRangeOfPossibleLossPortionNotAccrued
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant