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Income Taxes (Narrative) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Operating Loss Carryforwards [Line Items] |  |  |
Valuation allowances | $ 204 | $ 220 |
Increase (decrease) in valuation allowance | (16) | 20 |
Income (loss) exclusive of restructuring and impairment charges | 92 | (26) | $ 221
Income from foreign sources | 662 |  |
Income from domestic sources | 610 |  |
Undistributed earnings of foreign subsidiaries | 2,300 |  |
Unrecognized tax benefits | 75 |  |
Decrease in unrecognized tax benefits | 21 |  |
Income tax penalties and interest accrued | 31 | 29 |
Income tax penalties and interest expense | 1 | 4 | 3
Due to former parent upon receipt from IRS | 5 | 5 |
Domestic Tax Authority |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Increase (decrease) in valuation allowance | $ 56 | $ 68 | $ 90

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- Definition Amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (d)(3) -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32718-109319 + Details
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in domestic income tax contingency. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319 + Details
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