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Goodwill and Intangible Assets - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Sep. 30, 2020	Dec. 31, 2019
Goodwill [Line Items]
Goodwill		$ 393	$ 565
Intangible assets		135	137
Goodwill, impairment charge	$ 182
Indefinite-lived intangible assets		118	$ 118
EMEA
Goodwill [Line Items]
Goodwill		237
Goodwill, impairment charge	$ 182
Americas
Goodwill [Line Items]
Goodwill		91
Asia Pacific
Goodwill [Line Items]
Goodwill		$ 65