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Divestitures - Income Statement (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Income from discontinued operations, net | $ 0 | $ 14 | $ 0 | $ 411
Discontinued Operations, Disposed of by Sale |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Net sales | 0 | 0 | 0 | 101
Cost of sales | 0 | 0 | 0 | 78
Gross profit | 0 | 0 | 0 | 23
Selling, general and administrative expenses | 0 | (1) | 0 | 31
Income (loss) from discontinued operations | 0 | 1 | 0 | (8)
Gain on disposal of discontinued operations | 0 | 17 | 0 | 602
Income before income tax | 0 | 18 | 0 | 594
Income tax expense | 0 | (4) | 0 | (183)
Income from discontinued operations, net | $ 0 | $ 14 | $ 0 | $ 411

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