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Condensed Consolidated Statements of Operations Condensed Consolidated Statement of Operations (parentheticals) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Discontinued Operation, Tax Effect of Income (Loss) from Discontinued Operation During Phase-out Period | $ 0 | $ (2) | $ 0 | $ (2)
Discontinued Operation, Tax Effect of Gain (Loss) from Disposal of Discontinued Operation | $ 0 | $ (42) | $ 0 | $ (42)

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