Property and Equipment - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Asset impairment charges	$ 9	$ 0	$ 0
Capitalized internal use software costs	12	18
Amortization expense of capitalized internal use software costs	8	$ 9	$ 9
Amortization expense, 2022	16
Amortization expense, 2023	15
Amortization expense, 2024	9
Amortization expense, 2026	7
Capitalized software development
Property, Plant and Equipment [Line Items]
Amortization expense, 2022	5
Amortization expense, 2023	3
Amortization expense, 2024	2
Amortization expense, 2025	1
Amortization expense, 2026	$ 1

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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The carrying amount of capitalized computer software costs net of accumulated amortization as of the balance sheet date.

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