Annual report pursuant to Section 13 and 15(d)

Income Taxes (Details)

v3.6.0.2
Income Taxes (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Operating loss carryforwards      
Net operating loss carryforwards $ 93 $ 89  
Unrecognized tax benefits      
Balance at beginning of year 89 67 $ 36
Additions based on tax positions related to the current year 16 15 13
Additions for tax positions of prior years 1 7 18
Reductions for lapse of statute of limitations (1)    
Balance at end of year 105 89 67
Unrecognized Tax Benefits that Would Impact Effective Tax Rate 63 53 $ 65
Accrued interest and penalties related to uncertain tax positions 9 $ 6  
Minimum      
Unrecognized tax benefits      
Income Tax Examination, Estimate of Possible Loss 10    
Maximum      
Unrecognized tax benefits      
Income Tax Examination, Estimate of Possible Loss 14    
State      
Operating loss carryforwards      
Operating loss carryforwards not expected to be utilized 5    
Foreign      
Operating loss carryforwards      
Operating loss carryforwards not expected to be utilized 28    
Parent Company [Member]      
Operating loss carryforwards      
Net operating loss carryforwards 47    
Trip Advisor      
Operating loss carryforwards      
Net operating loss carryforwards $ 46