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Accounting for Stock-Based Compensation - Schedule of Share-based Compensation Expense (Details) - USD ($) $ in Millions | 3 Months Ended
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Mar. 31, 2022 | Mar. 31, 2021
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |  |
Effect on income before income taxes | $ (5) | $ (8)
Effect on net loss | $ (4) | $ (6)

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- Definition Amount, after tax, of expense for award under share-based payment arrangement. + References No definition available. + Details
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- References No definition available. + Details
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- Definition Amount of noncash expense for share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 + Details
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