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Goodwill and Intangible Assets, Net - Definite-lived and Indefinite-lived Intangible Assets Table (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Definite-lived intangible assets: [Abstract]
Gross carrying amount of definite-lived intangible assets	$ 833		$ 833		$ 922
Accumulated amortization of definite-lived intangible assets	(286)		(286)		(345)
Net carrying amount of definite-lived intangible assets	547		547		577
Net carrying amount of indefinite-lived intangible assets	83		83		83
Intangible assets, net	630		630		660
Amortization of intangible assets	17	$ 11	32	$ 22
Customer relationships
Definite-lived intangible assets: [Abstract]
Gross carrying amount of definite-lived intangible assets	398		398		399
Accumulated amortization of definite-lived intangible assets	(186)		(186)		(176)
Net carrying amount of definite-lived intangible assets	212		212		223
Developed technology
Definite-lived intangible assets: [Abstract]
Gross carrying amount of definite-lived intangible assets	254		254		254
Accumulated amortization of definite-lived intangible assets	(20)		(20)		(6)
Net carrying amount of definite-lived intangible assets	234		234		248
Other
Definite-lived intangible assets: [Abstract]
Gross carrying amount of definite-lived intangible assets	181		181		269
Accumulated amortization of definite-lived intangible assets	(80)		(80)		(163)
Net carrying amount of definite-lived intangible assets	$ 101		$ 101		$ 106

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Finite-Lived Intangible Assets, Gross and Net [Abstract]

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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