2017 Q4 Form 10-K Financial Statement
#000156459018002664 Filed on February 21, 2018
Income Statement
Concept | 2017 Q4 | 2016 Q2 | 2016 Q1 |
---|---|---|---|
Revenue | $321.0M | $391.0M | $352.0M |
YoY Change | 1.58% | -3.46% | -3.03% |
Cost Of Revenue | $16.00M | $20.00M | $16.00M |
YoY Change | 0.0% | 25.0% | 23.08% |
Gross Profit | $305.0M | $371.0M | $336.0M |
YoY Change | 1.67% | -4.63% | -4.0% |
Gross Profit Margin | 95.02% | 94.88% | 95.45% |
Selling, General & Admin | $267.0M | $298.0M | $270.0M |
YoY Change | 1.52% | 4.2% | 42.11% |
% of Gross Profit | 87.54% | 80.32% | 80.36% |
Research & Development | |||
YoY Change | |||
% of Gross Profit | |||
Depreciation & Amortization | $29.00M | $24.00M | $24.00M |
YoY Change | 7.41% | 4.35% | 71.43% |
% of Gross Profit | 9.51% | 6.47% | 7.14% |
Operating Expenses | $296.0M | $323.0M | $294.0M |
YoY Change | 2.07% | 4.19% | 54.74% |
Operating Profit | $9.000M | $47.00M | $42.00M |
YoY Change | -10.0% | -40.51% | -53.33% |
Interest Expense | -$6.000M | $3.000M | -$4.000M |
YoY Change | 20.0% | 0.0% | -300.0% |
% of Operating Profit | -66.67% | 6.38% | -9.52% |
Other Income/Expense, Net | -$3.000M | ||
YoY Change | |||
Pretax Income | $3.000M | $44.00M | $38.00M |
YoY Change | -40.0% | -46.34% | -55.81% |
Income Tax | $14.00M | $10.00M | $11.00M |
% Of Pretax Income | 466.67% | 22.73% | 28.95% |
Net Earnings | -$84.00M | $34.00M | $29.00M |
YoY Change | -8500.0% | -41.38% | -53.97% |
Net Earnings / Revenue | -26.17% | 8.7% | 8.24% |
Basic Earnings Per Share | -$0.60 | $0.23 | $0.20 |
Diluted Earnings Per Share | -$0.60 | $0.23 | $0.20 |
COMMON SHARES | |||
Basic Shares Outstanding | 145.7M | 145.4M | |
Diluted Shares Outstanding | 147.1M | 146.9M |
Balance Sheet
Concept | 2017 Q4 | 2016 Q2 | 2016 Q1 |
---|---|---|---|
SHORT-TERM ASSETS | |||
Cash & Short-Term Investments | $708.0M | $853.0M | $692.0M |
YoY Change | -3.01% | 19.97% | 11.08% |
Cash & Equivalents | $673.0M | $766.0M | $653.0M |
Short-Term Investments | $35.00M | $87.00M | $39.00M |
Other Short-Term Assets | $25.00M | $24.00M | $28.00M |
YoY Change | -19.35% | -29.41% | -33.33% |
Inventory | |||
Prepaid Expenses | $5.000M | ||
Receivables | $230.0M | $230.0M | $244.0M |
Other Receivables | $30.00M | $0.00 | $0.00 |
Total Short-Term Assets | $993.0M | $1.107B | $964.0M |
YoY Change | 4.53% | 9.39% | 7.83% |
LONG-TERM ASSETS | |||
Property, Plant & Equipment | $263.0M | $256.0M | $252.0M |
YoY Change | 1.15% | 3.64% | 11.5% |
Goodwill | $758.0M | $737.0M | |
YoY Change | 2.99% | ||
Intangibles | $142.0M | $172.0M | |
YoY Change | -14.97% | ||
Long-Term Investments | $27.00M | $38.00M | $17.00M |
YoY Change | 68.75% | 8.57% | -10.53% |
Other Assets | $73.00M | $82.00M | $72.00M |
YoY Change | 8.96% | 100.0% | 84.62% |
Total Long-Term Assets | $1.279B | $1.278B | $1.250B |
YoY Change | -0.7% | 1.03% | 4.17% |
TOTAL ASSETS | |||
Total Short-Term Assets | $993.0M | $1.107B | $964.0M |
Total Long-Term Assets | $1.279B | $1.278B | $1.250B |
Total Assets | $2.272B | $2.385B | $2.214B |
YoY Change | 1.52% | 4.74% | 5.73% |
SHORT-TERM LIABILITIES | |||
YoY Change | |||
Accounts Payable | $8.000M | $25.00M | $15.00M |
YoY Change | -42.86% | -34.21% | -42.31% |
Accrued Expenses | $148.0M | $153.0M | $134.0M |
YoY Change | 16.54% | 3.38% | 100.0% |
Deferred Revenue | $60.00M | ||
YoY Change | |||
Short-Term Debt | $7.000M | $1.000M | $1.000M |
YoY Change | -91.25% | 0.0% | -97.5% |
Long-Term Debt Due | $7.000M | $1.000M | $1.000M |
YoY Change | -91.25% | 0.0% | -97.5% |
Total Short-Term Liabilities | $372.0M | $575.0M | $432.0M |
YoY Change | -12.06% | 10.15% | -4.42% |
LONG-TERM LIABILITIES | |||
Long-Term Debt | $230.0M | $91.00M | $110.0M |
YoY Change | 152.75% | -68.29% | -56.0% |
Other Long-Term Liabilities | $293.0M | $196.0M | $192.0M |
YoY Change | 39.52% | 10.11% | 10.34% |
Total Long-Term Liabilities | $523.0M | $287.0M | $302.0M |
YoY Change | 73.75% | 61.24% | -28.77% |
TOTAL LIABILITIES | |||
Total Short-Term Liabilities | $372.0M | $575.0M | $432.0M |
Total Long-Term Liabilities | $523.0M | $287.0M | $302.0M |
Total Liabilities | $909.0M | $862.0M | $750.0M |
YoY Change | 23.51% | -16.8% | -18.03% |
SHAREHOLDERS EQUITY | |||
Retained Earnings | $926.0M | $853.0M | |
YoY Change | -2.01% | ||
Common Stock | $926.0M | $758.0M | |
YoY Change | 11.43% | ||
Preferred Stock | |||
YoY Change | |||
Treasury Stock (at cost) | $447.0M | $93.00M | |
YoY Change | 126.9% | ||
Treasury Stock Shares | $9.474M | $1.417M | |
Shareholders Equity | $1.363B | $1.505B | $1.464B |
YoY Change | |||
Total Liabilities & Shareholders Equity | $2.272B | $2.385B | $2.214B |
YoY Change | 1.52% | 4.74% | 5.73% |
Cashflow Statement
Concept | 2017 Q4 | 2016 Q2 | 2016 Q1 |
---|---|---|---|
OPERATING ACTIVITIES | |||
Net Income | -$84.00M | $34.00M | $29.00M |
YoY Change | -8500.0% | -41.38% | -53.97% |
Depreciation, Depletion And Amortization | $29.00M | $24.00M | $24.00M |
YoY Change | 7.41% | 4.35% | 71.43% |
Cash From Operating Activities | $18.00M | $239.0M | $124.0M |
YoY Change | -60.0% | 19.5% | 25.25% |
INVESTING ACTIVITIES | |||
Capital Expenditures | -$14.00M | -$19.00M | $17.00M |
YoY Change | -6.67% | -17.39% | -45.16% |
Acquisitions | |||
YoY Change | |||
Other Investing Activities | -$44.00M | -$68.00M | $28.00M |
YoY Change | 450.0% | 36.0% | -1033.33% |
Cash From Investing Activities | -$58.00M | -$87.00M | $11.00M |
YoY Change | 152.17% | 19.18% | -132.35% |
FINANCING ACTIVITIES | |||
Cash Dividend Paid | |||
YoY Change | |||
Common Stock Issuance & Retirement, Net | $1.000M | ||
YoY Change | |||
Debt Paid & Issued, Net | |||
YoY Change | |||
Cash From Financing Activities | -37.00M | -31.00M | -98.00M |
YoY Change | 270.0% | -46.55% | 3166.67% |
NET CHANGE | |||
Cash From Operating Activities | 18.00M | 239.0M | 124.0M |
Cash From Investing Activities | -58.00M | -87.00M | 11.00M |
Cash From Financing Activities | -37.00M | -31.00M | -98.00M |
Net Change In Cash | -77.00M | 121.0M | 37.00M |
YoY Change | -741.67% | 75.36% | -40.32% |
FREE CASH FLOW | |||
Cash From Operating Activities | $18.00M | $239.0M | $124.0M |
Capital Expenditures | -$14.00M | -$19.00M | $17.00M |
Free Cash Flow | $32.00M | $258.0M | $107.0M |
YoY Change | -46.67% | 15.7% | 57.35% |
Facts In Submission
Frame | Concept Type | Concept / XBRL Key | Value | Unit |
---|---|---|---|---|
CY2017 | us-gaap |
Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
|
28000000 | |
CY2017 | us-gaap |
Allocated Share Based Compensation Expense Net Of Tax
AllocatedShareBasedCompensationExpenseNetOfTax
|
68000000 | |
CY2016 | us-gaap |
Allocated Share Based Compensation Expense Net Of Tax
AllocatedShareBasedCompensationExpenseNetOfTax
|
54000000 | |
CY2015 | us-gaap |
Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment From Aoci Realized Upon Sale Or Liquidation Net Of Tax
OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax
|
-1000000 | |
CY2017Q4 | us-gaap |
Income Taxes Receivable
IncomeTaxesReceivable
|
30000000 | |
CY2015 | us-gaap |
Stock Issued During Period Value Treasury Stock Reissued
StockIssuedDuringPeriodValueTreasuryStockReissued
|
67000000 | |
CY2015 | us-gaap |
Adjustment To Additional Paid In Capital Income Tax Effect From Share Based Compensation Net
AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet
|
35000000 | |
CY2015 | us-gaap |
Adjustments Related To Tax Withholding For Share Based Compensation
AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
|
73000000 | |
CY2015 | us-gaap |
Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
|
80000000 | |
CY2015Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
1412000000 | |
CY2016 | us-gaap |
Cumulative Effect On Retained Earnings Net Of Tax1
CumulativeEffectOnRetainedEarningsNetOfTax1
|
-1000000 | |
CY2016 | us-gaap |
Stock Issued During Period Value Stock Options Exercised
StockIssuedDuringPeriodValueStockOptionsExercised
|
7000000 | |
CY2016 | us-gaap |
Treasury Stock Value Acquired Cost Method
TreasuryStockValueAcquiredCostMethod
|
105000000 | |
CY2017 | us-gaap |
Share Based Compensation
ShareBasedCompensation
|
96000000 | |
CY2015 | us-gaap |
Noncash Contribution Expense
NoncashContributionExpense
|
67000000 | |
CY2015 | us-gaap |
Gain Loss On Sale Of Business
GainLossOnSaleOfBusiness
|
20000000 | |
CY2017 | us-gaap |
Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
|
29000000 | |
CY2017 | us-gaap |
Increase Decrease In Income Taxes Payable Net Of Income Taxes Receivable
IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable
|
38000000 | |
CY2016 | us-gaap |
Increase Decrease In Income Taxes Payable Net Of Income Taxes Receivable
IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable
|
20000000 | |
CY2016 | trip |
Payments To Acquire Businesses And Other Investments Net Of Cash Acquired
PaymentsToAcquireBusinessesAndOtherInvestmentsNetOfCashAcquired
|
43000000 | |
CY2015 | trip |
Payments To Acquire Businesses And Other Investments Net Of Cash Acquired
PaymentsToAcquireBusinessesAndOtherInvestmentsNetOfCashAcquired
|
29000000 | |
CY2016 | us-gaap |
Payments For Proceeds From Other Investing Activities
PaymentsForProceedsFromOtherInvestingActivities
|
-2000000 | |
CY2015 | us-gaap |
Payments For Proceeds From Other Investing Activities
PaymentsForProceedsFromOtherInvestingActivities
|
-2000000 | |
CY2016 | us-gaap |
Net Cash Provided By Used In Investing Activities Continuing Operations
NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
|
-163000000 | |
CY2015 | us-gaap |
Net Cash Provided By Used In Investing Activities Continuing Operations
NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
|
-58000000 | |
CY2017 | us-gaap |
Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
|
250000000 | |
CY2016 | us-gaap |
Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
|
105000000 | |
CY2017 | us-gaap |
Proceeds From Issuance Or Sale Of Equity
ProceedsFromIssuanceOrSaleOfEquity
|
3000000 | |
CY2016 | us-gaap |
Proceeds From Issuance Or Sale Of Equity
ProceedsFromIssuanceOrSaleOfEquity
|
7000000 | |
CY2015 | us-gaap |
Proceeds From Issuance Or Sale Of Equity
ProceedsFromIssuanceOrSaleOfEquity
|
12000000 | |
CY2017 | us-gaap |
Payments Related To Tax Withholding For Share Based Compensation
PaymentsRelatedToTaxWithholdingForShareBasedCompensation
|
17000000 | |
CY2016 | us-gaap |
Payments Related To Tax Withholding For Share Based Compensation
PaymentsRelatedToTaxWithholdingForShareBasedCompensation
|
15000000 | |
CY2015 | us-gaap |
Payments Related To Tax Withholding For Share Based Compensation
PaymentsRelatedToTaxWithholdingForShareBasedCompensation
|
73000000 | |
CY2017 | us-gaap |
Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount
EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount
|
13000000 | |
CY2016 | us-gaap |
Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount
EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount
|
12000000 | |
CY2015 | us-gaap |
Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount
EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount
|
8000000 | |
CY2015 | us-gaap |
Construction In Progress Expenditures Incurred But Not Yet Paid
ConstructionInProgressExpendituresIncurredButNotYetPaid
|
6000000 | |
CY2017 | us-gaap |
Use Of Estimates
UseOfEstimates
|
<div> <p style="margin-bottom:0pt;margin-top:18pt;text-indent:0%;font-weight:bold;font-style:italic;font-family:Times New Roman;font-size:10pt;text-transform:none;font-variant: normal;">Accounting Estimates </p> <p style="margin-bottom:0pt;margin-top:6pt;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;text-indent:5.24%;">We use estimates and assumptions in the preparation of our consolidated financial statements in accordance with GAAP. Our estimates and assumptions affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities as of the date of our consolidated financial statements. These estimates and assumptions also affect the reported amount of net income or loss during any period. Our actual financial results could differ significantly from these estimates. The significant estimates underlying our consolidated financial statements include: (i) recognition and recoverability of goodwill, definite-lived intangibles and other long-lived assets; and (ii) accounting for income taxes. Refer to “Note 10 - <font style="font-style:italic;">Income Taxes”</font> for further discussion of our significant income tax amounts included in our consolidated financial statements.</p></div> | |
CY2016 | us-gaap |
Incremental Common Shares Attributable To Contingently Issuable Shares
IncrementalCommonSharesAttributableToContingentlyIssuableShares
|
321000 | |
CY2017Q4 | trip |
Number Of Markets With Localized Websites
NumberOfMarketsWithLocalizedWebsites
|
48 | |
CY2017Q4 | trip |
Number Of Languages Worldwide
NumberOfLanguagesWorldwide
|
28 | |
CY2017Q4 | trip |
Number Of Other Travel Brands
NumberOfOtherTravelBrands
|
20 | |
CY2017 | trip |
Description Of User Generated Reviews And Opinions Across Broad Base Of Global Travel Related Businesses
DescriptionOfUserGeneratedReviewsAndOpinionsAcrossBroadBaseOfGlobalTravelRelatedBusinesses
|
TripAdvisor-branded websites include tripadvisor.com in the United States and localized versions of the website in 48 markets worldwide and 28 languages worldwide. TripAdvisor features approximately 600 million reviews and opinions on approximately 7.5 million places to stay, places to eat and things to do – including approximately 1.2 million hotels, inns, B&Bs and specialty lodging and 750,000 vacation rentals, 4.6 million restaurants and 915,000 activities and attractions worldwide. | |
CY2017Q4 | trip |
Number Of Hotels And Accommodations
NumberOfHotelsAndAccommodations
|
1200000 | |
CY2017Q4 | trip |
Number Of Vacation Rentals
NumberOfVacationRentals
|
750000 | |
CY2017Q4 | us-gaap |
Number Of Restaurants
NumberOfRestaurants
|
4600000 | |
CY2017Q4 | trip |
Number Of Activities And Attractions Worldwide
NumberOfActivitiesAndAttractionsWorldwide
|
915000 | |
CY2016 | us-gaap |
Advertising Expense
AdvertisingExpense
|
543000000 | |
CY2015 | us-gaap |
Advertising Expense
AdvertisingExpense
|
507000000 | |
CY2017Q4 | us-gaap |
Other Prepaid Expense Current
OtherPrepaidExpenseCurrent
|
5000000 | |
CY2016Q4 | us-gaap |
Other Prepaid Expense Current
OtherPrepaidExpenseCurrent
|
5000000 | |
CY2017 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
|
0.4214 | |
CY2016 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
|
0.4181 | |
CY2015 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
|
0.4179 | |
CY2017Q2 | trip |
Share Based Compensation Arrangement By Share Based Payment Award Nonqualified Stock Option Award Grant Date
ShareBasedCompensationArrangementByShareBasedPaymentAwardNonqualifiedStockOptionAwardGrantDate
|
2013-08-28 | |
CY2017Q2 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Plan Modification Incremental Compensation Cost
ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost
|
5000000 | |
CY2017Q2 | trip |
Share Based Compensation Arrangement By Share Based Payment Award Vesting Date
ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingDate
|
2018-08-31 | |
CY2017 | trip |
Income Tax Benefits Associated With Exercise Settlement Of Stock Based Awards
IncomeTaxBenefitsAssociatedWithExerciseSettlementOfStockBasedAwards
|
27000000 | |
CY2016Q4 | trip |
Cash And Cash Equivalents And Available For Sale Securities
CashAndCashEquivalentsAndAvailableForSaleSecurities
|
746000000 | |
CY2017 | trip |
Cash And Cash Equivalents Maximum Maturity Period
CashAndCashEquivalentsMaximumMaturityPeriod
|
P90D | |
CY2016 | trip |
Cash And Cash Equivalents Maximum Maturity Period
CashAndCashEquivalentsMaximumMaturityPeriod
|
P90D | |
CY2017 | trip |
Marketable Securities Long Term Maximum Maturity Period
MarketableSecuritiesLongTermMaximumMaturityPeriod
|
P3Y | |
CY2017Q4 | us-gaap |
Prepaid Expense Current
PrepaidExpenseCurrent
|
5000000 | |
CY2017 | trip |
Minimum Maturity Period For Short Term Securities
MinimumMaturityPeriodForShortTermSecurities
|
P90D | |
CY2017 | trip |
Maximum Remaining Maturity Period For Short Term Securities
MaximumRemainingMaturityPeriodForShortTermSecurities
|
P12M | |
CY2017 | trip |
Maximum Maturity Period For Marketable Security
MaximumMaturityPeriodForMarketableSecurity
|
P3Y | |
CY2017 | trip |
Weighted Average Maturity Of Portfolio Limit
WeightedAverageMaturityOfPortfolioLimit
|
P18M | |
CY2017 | trip |
Collection Period For Account Receivable
CollectionPeriodForAccountReceivable
|
P30D | |
CY2017 | trip |
Minimum Maturity Period At Purchase For Short Term Securities
MinimumMaturityPeriodAtPurchaseForShortTermSecurities
|
P90D | |
CY2017 | trip |
Minimum Probability That Fair Value Of Reporting Unit Is Less Than Carrying Amount
MinimumProbabilityThatFairValueOfReportingUnitIsLessThanCarryingAmount
|
0.50 | |
CY2017 | us-gaap |
Goodwill Impairment Loss
GoodwillImpairmentLoss
|
0 | |
CY2017 | us-gaap |
Foreign Currency Transaction Gain Loss Before Tax
ForeignCurrencyTransactionGainLossBeforeTax
|
1000000 | |
CY2016 | us-gaap |
Foreign Currency Transaction Gain Loss Before Tax
ForeignCurrencyTransactionGainLossBeforeTax
|
-4000000 | |
CY2015 | us-gaap |
Foreign Currency Transaction Gain Loss Before Tax
ForeignCurrencyTransactionGainLossBeforeTax
|
-4000000 | |
CY2017 | trip |
Foreign Exchange Contracts Translation Maximum Maturity Period
ForeignExchangeContractsTranslationMaximumMaturityPeriod
|
P90D | |
CY2016Q4 | us-gaap |
Cost Method Investments
CostMethodInvestments
|
14000000 | |
CY2017 | us-gaap |
Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
|
96000000 | |
CY2016 | us-gaap |
Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
|
85000000 | |
CY2015 | us-gaap |
Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
|
72000000 | |
CY2016 | us-gaap |
Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
|
31000000 | |
CY2015 | us-gaap |
Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
|
26000000 | |
CY2015 | us-gaap |
Allocated Share Based Compensation Expense Net Of Tax
AllocatedShareBasedCompensationExpenseNetOfTax
|
46000000 | |
CY2011Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized
ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
|
17500000 | |
CY2013Q2 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Number Of Additional Shares Authorized
ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized
|
15000000 | |
CY2017 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
|
0.0202 | |
CY2016 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
|
0.0120 | |
CY2015 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
|
0.0158 | |
CY2017 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1
SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1
|
P6Y1M17D | |
CY2016 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1
SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1
|
P4Y10M6D | |
CY2015 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1
SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1
|
P5Y5M1D | |
CY2016 | trip |
Income Tax Benefits Associated With Exercise Settlement Of Stock Based Awards
IncomeTaxBenefitsAssociatedWithExerciseSettlementOfStockBasedAwards
|
21000000 | |
CY2015 | trip |
Income Tax Benefits Associated With Exercise Settlement Of Stock Based Awards
IncomeTaxBenefitsAssociatedWithExerciseSettlementOfStockBasedAwards
|
63000000 | |
CY2016 | us-gaap |
Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
|
1129000 | |
CY2015 | us-gaap |
Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
|
1839000 | |
CY2015 | us-gaap |
Incremental Common Shares Attributable To Contingently Issuable Shares
IncrementalCommonSharesAttributableToContingentlyIssuableShares
|
292000 | |
CY2017Q4 | us-gaap |
Cash And Cash Equivalents Fair Value Disclosure
CashAndCashEquivalentsFairValueDisclosure
|
673000000 | |
CY2017Q4 | us-gaap |
Cash
Cash
|
663000000 | |
CY2017Q4 | trip |
Cash And Cash Equivalents And Available For Sale Securities Amortized Cost
CashAndCashEquivalentsAndAvailableForSaleSecuritiesAmortizedCost
|
735000000 | |
CY2017Q4 | trip |
Cash And Cash Equivalents And Available For Sale Securities
CashAndCashEquivalentsAndAvailableForSaleSecurities
|
735000000 | |
CY2016Q4 | us-gaap |
Cash And Cash Equivalents Fair Value Disclosure
CashAndCashEquivalentsFairValueDisclosure
|
612000000 | |
CY2016Q4 | us-gaap |
Cash
Cash
|
595000000 | |
CY2016Q4 | trip |
Cash And Cash Equivalents And Available For Sale Securities Amortized Cost
CashAndCashEquivalentsAndAvailableForSaleSecuritiesAmortizedCost
|
746000000 | |
CY2016 | trip |
Marketable Securities Long Term Maximum Maturity Period
MarketableSecuritiesLongTermMaximumMaturityPeriod
|
P3Y | |
CY2017 | trip |
Marketable Securities Long Term Minimum Maturity Period
MarketableSecuritiesLongTermMinimumMaturityPeriod
|
P1Y | |
CY2016 | trip |
Marketable Securities Long Term Minimum Maturity Period
MarketableSecuritiesLongTermMinimumMaturityPeriod
|
P1Y | |
CY2016 | trip |
Maximum Remaining Maturity Period For Short Term Securities
MaximumRemainingMaturityPeriodForShortTermSecurities
|
P12M | |
CY2016 | trip |
Minimum Maturity Period For Short Term Securities
MinimumMaturityPeriodForShortTermSecurities
|
P90D | |
CY2015 | us-gaap |
Current Foreign Tax Expense Benefit
CurrentForeignTaxExpenseBenefit
|
22000000 | |
CY2016 | us-gaap |
Current Income Tax Expense Benefit
CurrentIncomeTaxExpenseBenefit
|
51000000 | |
CY2017Q4 | us-gaap |
Finite Lived Intangible Assets Amortization Expense Year Two
FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
|
27000000 | |
CY2017Q4 | us-gaap |
Finite Lived Intangible Assets Amortization Expense Year Three
FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
|
22000000 | |
CY2017Q4 | us-gaap |
Finite Lived Intangible Assets Amortization Expense Year Four
FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
|
14000000 | |
CY2017Q4 | us-gaap |
Finite Lived Intangible Assets Amortization Expense Year Five
FiniteLivedIntangibleAssetsAmortizationExpenseYearFive
|
7000000 | |
CY2017Q4 | us-gaap |
Finite Lived Intangible Assets Amortization Expense After Year Five
FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive
|
11000000 | |
CY2017Q4 | us-gaap |
Short Term Debt Weighted Average Interest Rate
ShortTermDebtWeightedAverageInterestRate
|
0.050 | |
CY2015 | us-gaap |
Current Income Tax Expense Benefit
CurrentIncomeTaxExpenseBenefit
|
78000000 | |
CY2016Q4 | us-gaap |
Short Term Debt Weighted Average Interest Rate
ShortTermDebtWeightedAverageInterestRate
|
0.021 | |
CY2011Q4 | us-gaap |
Line Of Credit Facility Maximum Borrowing Capacity
LineOfCreditFacilityMaximumBorrowingCapacity
|
600000000 | |
CY2016 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Domestic
IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
|
64000000 | |
CY2015 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Domestic
IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
|
67000000 | |
CY2016 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Foreign
IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign
|
87000000 | |
CY2015 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Foreign
IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign
|
172000000 | |
CY2016 | us-gaap |
Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
|
38000000 | |
CY2015 | us-gaap |
Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
|
48000000 | |
CY2016 | us-gaap |
Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
|
2000000 | |
CY2015 | us-gaap |
Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
|
8000000 | |
CY2016 | us-gaap |
Current Foreign Tax Expense Benefit
CurrentForeignTaxExpenseBenefit
|
11000000 | |
CY2017 | us-gaap |
Derivative Gain Loss On Derivative Net
DerivativeGainLossOnDerivativeNet
|
-1000000 | |
CY2016 | us-gaap |
Derivative Gain Loss On Derivative Net
DerivativeGainLossOnDerivativeNet
|
2000000 | |
CY2015 | us-gaap |
Derivative Gain Loss On Derivative Net
DerivativeGainLossOnDerivativeNet
|
2000000 | |
CY2017 | trip |
Derivative Instruments Non Designated As Hedging Instruments Description
DerivativeInstrumentsNonDesignatedAsHedgingInstrumentsDescription
|
Our forward contracts, which we have entered into to date, have not been designated as hedges and have had maturities of less than 90 days | |
CY2017Q4 | us-gaap |
Cost Method Investments
CostMethodInvestments
|
12000000 | |
CY2017Q4 | us-gaap |
Property Plant And Equipment Gross
PropertyPlantAndEquipmentGross
|
440000000 | |
CY2017Q4 | us-gaap |
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
|
177000000 | |
CY2015Q4 | us-gaap |
Goodwill
Goodwill
|
732000000 | |
CY2016 | us-gaap |
Goodwill Acquired During Period
GoodwillAcquiredDuringPeriod
|
17000000 | |
CY2016 | us-gaap |
Goodwill Foreign Currency Translation Gain Loss
GoodwillForeignCurrencyTranslationGainLoss
|
-13000000 | |
CY2017 | us-gaap |
Goodwill Foreign Currency Translation Gain Loss
GoodwillForeignCurrencyTranslationGainLoss
|
22000000 | |
CY2017Q4 | us-gaap |
Finite Lived Intangible Assets Gross
FiniteLivedIntangibleAssetsGross
|
224000000 | |
CY2016Q4 | us-gaap |
Finite Lived Intangible Assets Gross
FiniteLivedIntangibleAssetsGross
|
217000000 | |
CY2017Q4 | us-gaap |
Finite Lived Intangible Assets Accumulated Amortization
FiniteLivedIntangibleAssetsAccumulatedAmortization
|
112000000 | |
CY2016Q4 | us-gaap |
Finite Lived Intangible Assets Accumulated Amortization
FiniteLivedIntangibleAssetsAccumulatedAmortization
|
80000000 | |
CY2017Q4 | us-gaap |
Finite Lived Intangible Assets Net
FiniteLivedIntangibleAssetsNet
|
112000000 | |
CY2016Q4 | us-gaap |
Finite Lived Intangible Assets Net
FiniteLivedIntangibleAssetsNet
|
137000000 | |
CY2017Q4 | us-gaap |
Indefinite Lived Intangible Assets Excluding Goodwill
IndefiniteLivedIntangibleAssetsExcludingGoodwill
|
30000000 | |
CY2016Q4 | us-gaap |
Indefinite Lived Intangible Assets Excluding Goodwill
IndefiniteLivedIntangibleAssetsExcludingGoodwill
|
30000000 | |
CY2016 | us-gaap |
Goodwill Impairment Loss
GoodwillImpairmentLoss
|
0 | |
CY2015 | us-gaap |
Goodwill Impairment Loss
GoodwillImpairmentLoss
|
0 | |
CY2017 | us-gaap |
Impairment Of Intangible Assets Excluding Goodwill
ImpairmentOfIntangibleAssetsExcludingGoodwill
|
0 | |
CY2016 | us-gaap |
Impairment Of Intangible Assets Excluding Goodwill
ImpairmentOfIntangibleAssetsExcludingGoodwill
|
0 | |
CY2015 | us-gaap |
Impairment Of Intangible Assets Excluding Goodwill
ImpairmentOfIntangibleAssetsExcludingGoodwill
|
0 | |
CY2017 | us-gaap |
Finite Lived Intangible Assets Remaining Amortization Period1
FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1
|
P4Y7M6D | |
CY2017Q4 | us-gaap |
Finite Lived Intangible Assets Amortization Expense Next Twelve Months
FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
|
31000000 | |
CY2016 | us-gaap |
Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
|
-12000000 | |
CY2017Q4 | us-gaap |
Deferred Tax Liabilities Property Plant And Equipment
DeferredTaxLiabilitiesPropertyPlantAndEquipment
|
21000000 | |
CY2017Q4 | us-gaap |
Deferred Tax Liabilities Prepaid Expenses
DeferredTaxLiabilitiesPrepaidExpenses
|
4000000 | |
CY2017Q4 | trip |
Deferred Tax Liabilities Building
DeferredTaxLiabilitiesBuilding
|
20000000 | |
CY2017Q4 | trip |
Deferred Tax Liabilities Income Related To Cost Sharing Arrangement
DeferredTaxLiabilitiesIncomeRelatedToCostSharingArrangement
|
13000000 | |
CY2017Q4 | us-gaap |
Deferred Income Tax Liabilities
DeferredIncomeTaxLiabilities
|
117000000 | |
CY2017Q4 | us-gaap |
Deferred Tax Assets Liabilities Net
DeferredTaxAssetsLiabilitiesNet
|
2000000 | |
CY2016Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost
DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost
|
52000000 | |
CY2016Q4 | us-gaap |
Deferred Tax Assets Operating Loss Carryforwards
DeferredTaxAssetsOperatingLossCarryforwards
|
46000000 | |
CY2016Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities
|
12000000 | |
CY2016Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Deferred Rent
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsDeferredRent
|
5000000 | |
CY2016Q4 | trip |
Deferred Tax Assets Lease Financing Obligation
DeferredTaxAssetsLeaseFinancingObligation
|
33000000 | |
CY2016Q4 | trip |
Deferred Tax Assets Foreign Advertising Spend
DeferredTaxAssetsForeignAdvertisingSpend
|
10000000 | |
CY2016Q4 | trip |
Deferred Tax Assets Expense Related To Cost Sharing Arrangement
DeferredTaxAssetsExpenseRelatedToCostSharingArrangement
|
30000000 | |
CY2016Q4 | us-gaap |
Deferred Tax Assets Charitable Contribution Carryforwards
DeferredTaxAssetsCharitableContributionCarryforwards
|
20000000 | |
CY2016Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Other
DeferredTaxAssetsTaxDeferredExpenseOther
|
7000000 | |
CY2016Q4 | us-gaap |
Deferred Tax Assets Gross
DeferredTaxAssetsGross
|
215000000 | |
CY2016Q4 | us-gaap |
Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
|
27000000 | |
CY2016Q4 | us-gaap |
Deferred Tax Assets Net
DeferredTaxAssetsNet
|
188000000 | |
CY2016Q4 | us-gaap |
Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets
DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets
|
83000000 | |
CY2016Q4 | us-gaap |
Deferred Tax Liabilities Property Plant And Equipment
DeferredTaxLiabilitiesPropertyPlantAndEquipment
|
28000000 | |
CY2016Q4 | us-gaap |
Deferred Tax Liabilities Prepaid Expenses
DeferredTaxLiabilitiesPrepaidExpenses
|
6000000 | |
CY2016Q4 | trip |
Deferred Tax Liabilities Building
DeferredTaxLiabilitiesBuilding
|
31000000 | |
CY2016Q4 | trip |
Deferred Tax Liabilities Income Related To Cost Sharing Arrangement
DeferredTaxLiabilitiesIncomeRelatedToCostSharingArrangement
|
10000000 | |
CY2016Q4 | us-gaap |
Deferred Income Tax Liabilities
DeferredIncomeTaxLiabilities
|
158000000 | |
CY2016Q4 | us-gaap |
Deferred Tax Assets Liabilities Net
DeferredTaxAssetsLiabilitiesNet
|
30000000 | |
CY2016 | us-gaap |
Valuation Allowance Deferred Tax Asset Change In Amount
ValuationAllowanceDeferredTaxAssetChangeInAmount
|
28000000 | |
CY2017 | us-gaap |
Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate
IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
|
38000000 | |
CY2017 | us-gaap |
Income Tax Reconciliation Foreign Income Tax Rate Differential
IncomeTaxReconciliationForeignIncomeTaxRateDifferential
|
-25000000 | |
CY2015 | us-gaap |
Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
|
-29000000 | |
CY2016 | us-gaap |
Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
|
-3000000 | |
CY2015 | us-gaap |
Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
|
-2000000 | |
CY2016 | us-gaap |
Deferred Foreign Income Tax Expense Benefit
DeferredForeignIncomeTaxExpenseBenefit
|
-5000000 | |
CY2015 | us-gaap |
Deferred Foreign Income Tax Expense Benefit
DeferredForeignIncomeTaxExpenseBenefit
|
-6000000 | |
CY2017 | us-gaap |
Increase Decrease In Income Taxes
IncreaseDecreaseInIncomeTaxes
|
-27000000 | |
CY2017Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost
DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost
|
36000000 | |
CY2017Q4 | us-gaap |
Deferred Tax Assets Operating Loss Carryforwards
DeferredTaxAssetsOperatingLossCarryforwards
|
56000000 | |
CY2017Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities
|
4000000 | |
CY2017Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Deferred Rent
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsDeferredRent
|
3000000 | |
CY2017Q4 | trip |
Deferred Tax Assets Lease Financing Obligation
DeferredTaxAssetsLeaseFinancingObligation
|
22000000 | |
CY2017Q4 | trip |
Deferred Tax Assets Foreign Advertising Spend
DeferredTaxAssetsForeignAdvertisingSpend
|
13000000 | |
CY2017Q4 | trip |
Deferred Tax Assets Expense Related To Cost Sharing Arrangement
DeferredTaxAssetsExpenseRelatedToCostSharingArrangement
|
26000000 | |
CY2017Q4 | trip |
Deferred Tax Assets Interest Carryforward
DeferredTaxAssetsInterestCarryforward
|
7000000 | |
CY2017Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Other
DeferredTaxAssetsTaxDeferredExpenseOther
|
7000000 | |
CY2017Q4 | us-gaap |
Deferred Tax Assets Gross
DeferredTaxAssetsGross
|
174000000 | |
CY2017Q4 | us-gaap |
Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
|
55000000 | |
CY2017Q4 | us-gaap |
Deferred Tax Assets Net
DeferredTaxAssetsNet
|
119000000 | |
CY2017Q4 | us-gaap |
Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets
DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets
|
59000000 | |
CY2017 | us-gaap |
Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost
IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost
|
13000000 | |
CY2017 | trip |
Income Tax Reconciliation Change In Cost Sharing Treatment Of Stock Based Compensation
IncomeTaxReconciliationChangeInCostSharingTreatmentOfStockBasedCompensation
|
-5000000 | |
CY2015 | us-gaap |
Income Tax Reconciliation Nondeductible Expense
IncomeTaxReconciliationNondeductibleExpense
|
1000000 | |
CY2017 | us-gaap |
Income Tax Reconciliation Change In Enacted Tax Rate
IncomeTaxReconciliationChangeInEnactedTaxRate
|
73000000 | |
CY2017 | us-gaap |
Income Tax Reconciliation Tax Credits Research
IncomeTaxReconciliationTaxCreditsResearch
|
8000000 | |
CY2017 | us-gaap |
Income Tax Reconciliation State And Local Income Taxes
IncomeTaxReconciliationStateAndLocalIncomeTaxes
|
5000000 | |
CY2017 | us-gaap |
Income Tax Reconciliation Tax Contingencies
IncomeTaxReconciliationTaxContingencies
|
12000000 | |
CY2017 | us-gaap |
Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance
IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
|
25000000 | |
CY2017 | us-gaap |
Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
|
1000000 | |
CY2016 | us-gaap |
Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
|
3000000 | |
CY2015 | us-gaap |
Income Tax Reconciliation Other Adjustments
IncomeTaxReconciliationOtherAdjustments
|
2000000 | |
CY2017 | us-gaap |
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
|
0.35 | |
CY2017Q4 | trip |
Tax Cuts And Jobs Act Of2017 Transition Tax On Deemed Repatriation Of Accumulative Foreign Earnings Provisional Income Tax Expense
TaxCutsAndJobsActOf2017TransitionTaxOnDeemedRepatriationOfAccumulativeForeignEarningsProvisionalIncomeTaxExpense
|
67000000 | |
CY2017Q4 | us-gaap |
Income Tax Expense Benefit Continuing Operations Adjustment Of Deferred Tax Asset Liability
IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability
|
6000000 | |
CY2017Q4 | us-gaap |
Undistributed Earnings Of Foreign Subsidiaries
UndistributedEarningsOfForeignSubsidiaries
|
882000000 | |
CY2016Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
105000000 | |
CY2015Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
89000000 | |
CY2014Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
67000000 | |
CY2017 | us-gaap |
Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
|
17000000 | |
CY2016 | us-gaap |
Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
|
16000000 | |
CY2015 | us-gaap |
Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
|
15000000 | |
CY2017 | us-gaap |
Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions
|
1000000 | |
CY2016 | us-gaap |
Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions
|
1000000 | |
CY2015 | us-gaap |
Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions
|
7000000 | |
CY2016 | us-gaap |
Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations
UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations
|
1000000 | |
CY2017Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
123000000 | |
CY2017Q4 | us-gaap |
Unrecognized Tax Benefits That Would Impact Effective Tax Rate
UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
|
78000000 | |
CY2017Q4 | us-gaap |
Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued
UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued
|
13000000 | |
CY2016Q4 | us-gaap |
Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued
UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued
|
9000000 | |
CY2017Q4 | us-gaap |
Employee Related Liabilities Current
EmployeeRelatedLiabilitiesCurrent
|
60000000 | |
CY2016Q4 | us-gaap |
Employee Related Liabilities Current
EmployeeRelatedLiabilitiesCurrent
|
53000000 | |
CY2017Q4 | us-gaap |
Accrued Marketing Costs Current
AccruedMarketingCostsCurrent
|
39000000 | |
CY2016Q4 | us-gaap |
Accrued Marketing Costs Current
AccruedMarketingCostsCurrent
|
37000000 | |
CY2017Q4 | us-gaap |
Other Accrued Liabilities Current
OtherAccruedLiabilitiesCurrent
|
37000000 | |
CY2016Q4 | us-gaap |
Other Accrued Liabilities Current
OtherAccruedLiabilitiesCurrent
|
37000000 | |
CY2017Q4 | trip |
Unrecognized Tax Benefits Including Interest Accrued
UnrecognizedTaxBenefitsIncludingInterestAccrued
|
127000000 | |
CY2016Q4 | trip |
Unrecognized Tax Benefits Including Interest Accrued
UnrecognizedTaxBenefitsIncludingInterestAccrued
|
108000000 | |
CY2017Q4 | us-gaap |
Accrued Income Taxes Noncurrent
AccruedIncomeTaxesNoncurrent
|
61000000 | |
CY2017Q4 | us-gaap |
Capital Lease Obligations Noncurrent
CapitalLeaseObligationsNoncurrent
|
84000000 | |
CY2016Q4 | us-gaap |
Capital Lease Obligations Noncurrent
CapitalLeaseObligationsNoncurrent
|
84000000 | |
CY2017Q4 | us-gaap |
Other Sundry Liabilities Noncurrent
OtherSundryLiabilitiesNoncurrent
|
21000000 | |
CY2016Q4 | us-gaap |
Other Sundry Liabilities Noncurrent
OtherSundryLiabilitiesNoncurrent
|
18000000 | |
CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due
OperatingLeasesFutureMinimumPaymentsDue
|
228000000 | |
CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due Current
OperatingLeasesFutureMinimumPaymentsDueCurrent
|
28000000 | |
CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due In Two And Three Years
OperatingLeasesFutureMinimumPaymentsDueInTwoAndThreeYears
|
53000000 | |
CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due In Four And Five Years
OperatingLeasesFutureMinimumPaymentsDueInFourAndFiveYears
|
51000000 | |
CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due Thereafter
OperatingLeasesFutureMinimumPaymentsDueThereafter
|
96000000 | |
CY2017Q4 | us-gaap |
Contractual Obligation
ContractualObligation
|
262000000 | |
CY2017Q4 | us-gaap |
Contractual Obligation Due In Next Twelve Months
ContractualObligationDueInNextTwelveMonths
|
35000000 | |
CY2017Q4 | us-gaap |
Contractual Obligation Due In Second And Third Year
ContractualObligationDueInSecondAndThirdYear
|
69000000 | |
CY2017Q4 | us-gaap |
Contractual Obligation Due In Fourth And Fifth Year
ContractualObligationDueInFourthAndFifthYear
|
62000000 | |
CY2017Q4 | us-gaap |
Contractual Obligation Due After Fifth Year
ContractualObligationDueAfterFifthYear
|
96000000 | |
CY2017 | us-gaap |
Lease And Rental Expense
LeaseAndRentalExpense
|
18000000 | |
CY2016 | us-gaap |
Lease And Rental Expense
LeaseAndRentalExpense
|
18000000 | |
CY2015 | us-gaap |
Lease And Rental Expense
LeaseAndRentalExpense
|
19000000 | |
CY2017 | us-gaap |
Lease Expiration Date1
LeaseExpirationDate1
|
2030-12-01 | |
CY2017 | us-gaap |
Sublease Income
SubleaseIncome
|
3000000 | |
CY2016 | trip |
Adjusted Earnings Before Interest Taxes Depreciation And Amortization
AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization
|
352000000 | |
CY2016 | us-gaap |
Sublease Income
SubleaseIncome
|
2000000 | |
CY2015 | us-gaap |
Sublease Income
SubleaseIncome
|
1000000 | |
CY2013Q2 | us-gaap |
Area Of Real Estate Property
AreaOfRealEstateProperty
|
280000 | |
CY2017 | trip |
Number Of Location Under Lease
NumberOfLocationUnderLease
|
40 | |
CY2017Q4 | trip |
Sub Leases Income Future Minimum Payments Due Current
SubLeasesIncomeFutureMinimumPaymentsDueCurrent
|
3000000 | |
CY2016 | us-gaap |
Treasury Stock Shares Acquired
TreasuryStockSharesAcquired
|
2002356 | |
CY2015 | us-gaap |
Treasury Stock Shares Acquired
TreasuryStockSharesAcquired
|
0 | |
CY2016Q4 | us-gaap |
Treasury Stock Acquired Average Cost Per Share
TreasuryStockAcquiredAverageCostPerShare
|
60.63 | |
CY2016 | us-gaap |
Treasury Stock Acquired Average Cost Per Share
TreasuryStockAcquiredAverageCostPerShare
|
52.35 | |
CY2017Q1 | us-gaap |
Stock Repurchase Program Authorized Amount1
StockRepurchaseProgramAuthorizedAmount1
|
250000000 | |
CY2017 | us-gaap |
Treasury Stock Shares Acquired
TreasuryStockSharesAcquired
|
6079003 | |
CY2017 | us-gaap |
Treasury Stock Acquired Average Cost Per Share
TreasuryStockAcquiredAverageCostPerShare
|
41.13 | |
CY2015Q4 | us-gaap |
Stock Issued During Period Shares Treasury Stock Reissued
StockIssuedDuringPeriodSharesTreasuryStockReissued
|
801042 | |
CY2017 | trip |
Executive Severance Plan Target Bonus Multiplier
ExecutiveSeverancePlanTargetBonusMultiplier
|
1, 1.5 or 2 | |
CY2017 | us-gaap |
Severance Costs1
SeveranceCosts1
|
1000000 | |
CY2017 | us-gaap |
Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
|
0 | |
CY2016 | us-gaap |
Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
|
0 | |
CY2015 | us-gaap |
Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
|
0 | |
CY2017 | us-gaap |
Number Of Reportable Segments
NumberOfReportableSegments
|
2 | |
CY2017 | trip |
Adjusted Earnings Before Interest Taxes Depreciation And Amortization
AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization
|
331000000 | |
CY2017Q4 | trip |
Percentage Of Directors Elected By Common Stock Holders
PercentageOfDirectorsElectedByCommonStockHolders
|
0.25 | |
CY2017 | trip |
Number Of Directors Elected By Common Stock Holders
NumberOfDirectorsElectedByCommonStockHolders
|
3 | |
CY2017 | trip |
Conversion Ratio Class B To Common
ConversionRatioClassBToCommon
|
1.00 | |
CY2017Q4 | us-gaap |
Aoci Before Tax Attributable To Parent
AociBeforeTaxAttributableToParent
|
42000000 | |
CY2016Q4 | us-gaap |
Aoci Before Tax Attributable To Parent
AociBeforeTaxAttributableToParent
|
77000000 | |
CY2013Q1 | us-gaap |
Stock Repurchase Program Authorized Amount1
StockRepurchaseProgramAuthorizedAmount1
|
250000000 | |
CY2016Q4 | us-gaap |
Treasury Stock Shares Acquired
TreasuryStockSharesAcquired
|
4123065 | |
CY2017Q4 | trip |
Sub Leases Income Future Minimum Payments Due In Two Years
SubLeasesIncomeFutureMinimumPaymentsDueInTwoYears
|
3000000 | |
CY2017Q4 | trip |
Sub Leases Income Future Minimum Payments Due In Three Years
SubLeasesIncomeFutureMinimumPaymentsDueInThreeYears
|
2000000 | |
CY2017Q4 | trip |
Sub Leases Income Future Minimum Payments Due In Four Years
SubLeasesIncomeFutureMinimumPaymentsDueInFourYears
|
2000000 | |
CY2017Q4 | trip |
Sub Leases Income Future Minimum Payments Due In Five Years
SubLeasesIncomeFutureMinimumPaymentsDueInFiveYears
|
1000000 | |
CY2017Q4 | trip |
Sub Leases Income Future Minimum Payments Due
SubLeasesIncomeFutureMinimumPaymentsDue
|
11000000 | |
CY2017Q4 | trip |
Net Of Sublease Income Future Minimum Payments Due Current
NetOfSubleaseIncomeFutureMinimumPaymentsDueCurrent
|
28000000 | |
CY2017Q4 | trip |
Net Of Sublease Income Future Minimum Payments Due In Two Years
NetOfSubleaseIncomeFutureMinimumPaymentsDueInTwoYears
|
27000000 | |
CY2017Q4 | trip |
Net Of Sublease Income Future Minimum Payments Due In Three Years
NetOfSubleaseIncomeFutureMinimumPaymentsDueInThreeYears
|
26000000 | |
CY2017Q4 | trip |
Net Of Sublease Income Future Minimum Payments Due In Four Years
NetOfSubleaseIncomeFutureMinimumPaymentsDueInFourYears
|
25000000 | |
CY2017Q4 | trip |
Net Of Sublease Income Future Minimum Payments Due In Five Years
NetOfSubleaseIncomeFutureMinimumPaymentsDueInFiveYears
|
26000000 | |
CY2017Q4 | trip |
Net Of Sublease Income Future Minimum Payments Due Thereafter
NetOfSubleaseIncomeFutureMinimumPaymentsDueThereafter
|
96000000 | |
CY2017Q4 | trip |
Net Of Sublease Income Future Minimum Payments Due
NetOfSubleaseIncomeFutureMinimumPaymentsDue
|
228000000 | |
CY2017 | trip |
Defined Contribution Plan Employer Discretionary Contribution Percent
DefinedContributionPlanEmployerDiscretionaryContributionPercent
|
0.06 | |
CY2017 | us-gaap |
Defined Contribution Plan Employer Matching Contribution Percent Of Match
DefinedContributionPlanEmployerMatchingContributionPercentOfMatch
|
0.50 | |
CY2017 | trip |
Defined Contribution Plan Maximum Percent Of Employee Contribution To Receive Fifty Percent Matching
DefinedContributionPlanMaximumPercentOfEmployeeContributionToReceiveFiftyPercentMatching
|
0.06 | |
CY2017 | us-gaap |
Defined Contribution Plan Employer Matching Contribution Percent
DefinedContributionPlanEmployerMatchingContributionPercent
|
0.03 | |
CY2017 | trip |
Defined Contribution Plan Requisite Service Period
DefinedContributionPlanRequisiteServicePeriod
|
P2Y | |
CY2017 | us-gaap |
Defined Contribution Plan Cost Recognized
DefinedContributionPlanCostRecognized
|
9000000 | |
CY2016 | us-gaap |
Defined Contribution Plan Cost Recognized
DefinedContributionPlanCostRecognized
|
9000000 | |
CY2015 | us-gaap |
Defined Contribution Plan Cost Recognized
DefinedContributionPlanCostRecognized
|
7000000 | |
CY2015 | trip |
Adjusted Earnings Before Interest Taxes Depreciation And Amortization
AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization
|
466000000 | |
CY2015 | us-gaap |
Other Nonrecurring Expense
OtherNonrecurringExpense
|
2000000 | |
CY2017 | trip |
Tax Cuts And Jobs Act Of2017 Transition Tax On Deemed Repatriation Of Accumulative Foreign Earnings Provisional Income Tax Expense
TaxCutsAndJobsActOf2017TransitionTaxOnDeemedRepatriationOfAccumulativeForeignEarningsProvisionalIncomeTaxExpense
|
67000000 | |
CY2017 | us-gaap |
Income Tax Expense Benefit Continuing Operations Adjustment Of Deferred Tax Asset Liability
IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability
|
6000000 | |
CY2015 | trip |
Funded Annual Operating Income Before Amortization And Stock Based Compensation For Charitable Foundation Percent
FundedAnnualOperatingIncomeBeforeAmortizationAndStockBasedCompensationForCharitableFoundationPercent
|
0.02 | |
CY2017 | trip |
Foreign Currency Transaction Gain Loss And Gain Loss On Foreign Currency Derivatives Recorded In Earnings Net
ForeignCurrencyTransactionGainLossAndGainLossOnForeignCurrencyDerivativesRecordedInEarningsNet
|
2000000 | |
CY2017 | us-gaap |
Interest Income Expense Nonoperating Net
InterestIncomeExpenseNonoperatingNet
|
1000000 | |
CY2017 | us-gaap |
Cost Method Investments Realized Gain Loss
CostMethodInvestmentsRealizedGainLoss
|
-2000000 | |
CY2017Q1 | us-gaap |
Revenues
Revenues
|
372000000 | |
CY2017Q2 | us-gaap |
Revenues
Revenues
|
424000000 | |
CY2017Q1 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
27000000 | |
CY2017Q2 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
46000000 | |
CY2017Q1 | us-gaap |
Net Income Loss
NetIncomeLoss
|
13000000 | |
CY2017Q2 | us-gaap |
Net Income Loss
NetIncomeLoss
|
27000000 | |
CY2017Q1 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.09 | |
CY2017Q2 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.19 | |
CY2017Q1 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.09 | |
CY2017Q2 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.19 | |
CY2016Q1 | us-gaap |
Revenues
Revenues
|
352000000 | |
CY2016Q2 | us-gaap |
Revenues
Revenues
|
391000000 | |
CY2016Q1 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
42000000 | |
CY2016Q2 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
47000000 | |
CY2016Q1 | us-gaap |
Net Income Loss
NetIncomeLoss
|
29000000 | |
CY2016Q2 | us-gaap |
Net Income Loss
NetIncomeLoss
|
34000000 | |
CY2016Q1 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.20 | |
CY2016Q2 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.23 | |
CY2016Q1 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.20 | |
CY2016Q2 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.23 | |
CY2017Q4 | trip |
Tax Cuts And Jobs Act Of2017 Transition Tax On Deemed Repatriation Of Accumulative Foreign Earnings Provisional Income Tax Expense
TaxCutsAndJobsActOf2017TransitionTaxOnDeemedRepatriationOfAccumulativeForeignEarningsProvisionalIncomeTaxExpense
|
67000000 | |
CY2017Q4 | trip |
Income Tax Reconciliation Change In Deferred Tax Asset Due To Change In Enacted Tax Rate
IncomeTaxReconciliationChangeInDeferredTaxAssetDueToChangeInEnactedTaxRate
|
6000000 |