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v3.22.0.1

Consolidated Statements of Operations (Parenthetical) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Gain (loss) from disposal of discontinued businesses, income tax benefit (expense) | $ (1) | $ 0 | $ 0

X
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