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Income Taxes - Additional Information (Details) - USD ($) | 1 Months Ended | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Jan. 31, 2017 | Jun. 30, 2019 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2011 | Dec. 31, 2016
Income Taxes [Line Items] |  |  |  |  |  |  |
Decrease in income tax payable attributable to exercise or settlement of stock-based awards |  |  | $ (24,000,000) | $ (15,000,000) | $ (27,000,000) |  |
Valuation allowance on deferred tax assets |  |  | 72,000,000 | $ 57,000,000 |  |  |
Increase related to additional foreign net operating losses |  |  | 15,000,000 |  |  |  |
Income tax expense at federal statutory rate |  |  |  | 21.00% | 35.00% |  |
Transition tax |  |  |  |  | $ 67,000,000 |  |
Income tax expense recorded due to remeasurement of net deferred tax assets |  |  |  |  | 6,000,000 |  |
Tax cuts and jobs act, income tax benefit |  |  | 3,000,000 |  |  |  |
Foreign earnings not considered to be indefinitely reinvested |  |  | 501,000,000 |  |  |  |
Deferred tax liability on cumulative undistributed foreign earnings that are not indefinitely reinvested |  |  | 1,000,000 |  |  |  |
Foreign earnings intended to indefinitely reinvest in non-US subsidiaries |  |  | 118,000,000 |  |  |  |
Cumulative income tax expense recorded upon non-company related litigation |  | $ 15,000,000 |  |  |  |  |
Unrecognized tax benefits |  |  | 140,000,000 | $ 136,000,000 | $ 123,000,000 |  | $ 105,000,000
Unrecognized tax benefits that would impact effective tax rate |  |  | 82,000,000 |  |  |  |
Total gross interest and penalties accrued |  |  | 29,000,000 | $ 20,000,000 |  |  |
Minimum | Expedia | IRS | Tax Years 2009 through 2013 |  |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |  |
Increase in income tax expense due to proposed adjustments related to transfer pricing with foreign subsidiary, estimated | $ 35,000,000 |  |  |  |  |  |
Maximum |  |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |  |
Anticipated decrease in unrecognized tax benefits within next twelve months |  |  | $ 12,000,000 |  |  |  |
Maximum | Expedia | IRS | Tax Years 2009 through 2013 |  |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |  |
Increase in income tax expense due to proposed adjustments related to transfer pricing with foreign subsidiary, estimated | $ 40,000,000 |  |  |  |  |  |
Singapore |  |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |  |
Singapore's effective tax rate |  |  |  |  |  | 5.00% |
Income tax expense at federal statutory rate |  |  |  |  |  | 17.00% |
Tax incentive agreement expiration date |  |  | Jun. 30, 2021 |  |  |  |
Decrease to the 2018 provision for income tax expense |  |  | $ 2,000,000 |  |  |  |
Federal |  |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |  |
Operating loss carryforwards |  |  | $ 4,000,000 |  |  |  |
Expiration date of NOLs |  |  | between 2020 and 2037 |  |  |  |
State |  |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |  |
Operating loss carryforwards |  |  | $ 32,000,000 |  |  |  |
Expiration date of NOLs |  |  | between 2020 and 2037 |  |  |  |
Foreign |  |  |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |  |  |
Operating loss carryforwards |  |  | $ 201,000,000 |  |  |  |
Expiration date of NOLs |  |  | between 2020 and 2028 |  |  |  |

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- Definition Estimated potential increase in income tax expense for tax years of 2009, 2010, 2011, 2012 and 2013 IRS audits based on received NOPA's from IRS. + References No definition available. + Details
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319 + Details
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from undistributed earnings of subsidiary and other recognized entity not within country of domicile. Includes, but is not limited to, other basis differences. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32621-109319 + 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 investment tax credit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319 + Details
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- Definition The increase (decrease) during the reporting period in the amounts payable to taxing authorities for taxes that are based on the reporting entity's earnings, net of amounts receivable from taxing authorities for refunds of overpayments or recoveries of income taxes, and in deferred and other tax liabilities and assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
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- Definition Amount of increase (decrease) to previously recorded tax expense. Includes, but is not limited to, significant settlements of income tax disputes, and unusual tax positions or infrequent actions taken by the entity, including tax assessment reversal, and IRS tax settlement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=117330534&loc=d3e28511-109314 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=117330534&loc=d3e28446-109314 + Details
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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 undistributed accumulated earnings of foreign subsidiary intended to be permanently reinvested outside country of domicile for which accounting for tax effect is incomplete pursuant to Tax Cuts and Jobs Act and no reasonable estimate is determined. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 2A -Subparagraph (SAB Topic 5.EE.Q2(c)) -URI http://asc.fasb.org/extlink&oid=116825942&loc=SL116722634-122817 + Details
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