Income Taxes (Impact of Tax Cuts and Jobs Act of 2017) (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Remeasurement of net deferred income tax and uncertain tax liabilities	$ (2)	$ (87)
One-time deemed repatriation tax on undistributed historical earnings of foreign subsidiaries	(2)	2
Total provision for (benefit from) income taxes impact	$ (4)	$ (85)

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- Definition

Amount of income tax expense (benefit) for remeasurement of deferred tax from change in tax rate pursuant to Tax Cuts and Jobs Act.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319

+ Details

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- Definition

Amount of income tax expense (benefit) from effect of Tax Cuts and Jobs Act.

+ References

+ Details

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- Definition

Tax Cuts And Jobs Act Of 2017, Transition Tax For Accumulated Foreign Earnings,Income Tax Expense (Benefit)

+ References

No definition available.

+ Details

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