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SHARE-BASED COMPENSATION - Summary of Share-based Compensation Expense (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
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Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Components and classification of share-based compensation expense |  |  |  |
Share-based compensation expense | $ 33 | $ 33 | $ 91 | $ 95
Research and development expenses |  |  |  |
Components and classification of share-based compensation expense |  |  |  |
Share-based compensation expense | 3 | 2 | 9 | 7
Selling, general and administrative expenses |  |  |  |
Components and classification of share-based compensation expense |  |  |  |
Share-based compensation expense | 30 | 31 | 82 | 88
Stock options |  |  |  |
Components and classification of share-based compensation expense |  |  |  |
Share-based compensation expense | 3 | 4 | 10 | 11
RSUs |  |  |  |
Components and classification of share-based compensation expense |  |  |  |
Share-based compensation expense | $ 30 | $ 29 | $ 81 | $ 84

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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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