Goodwill and Other Intangible Assets - Other Intangible Assets (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	$ 961	$ 959
Accumulated amortization	(422)	(392)
Intangibles, net	539	567
Indefinite-lived trade names and trademarks	32	32
Total other intangible assets, gross	993	991
Total other intangible assets, net	571	599
Computer software
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	194	199
Accumulated amortization	(169)	(165)
Intangibles, net	25	34
Patents and licenses
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	67	67
Accumulated amortization	(65)	(65)
Intangibles, net	2	2
Other intangibles
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	700	693
Accumulated amortization	(188)	(162)
Intangibles, net	$ 512	$ 531