Quarterly report pursuant to Section 13 or 15(d)

Assets and Liabilities Measured at Fair Value (Details)

v3.5.0.2
Assets and Liabilities Measured at Fair Value (Details)
shares in Millions, $ in Millions
Jun. 30, 2016
USD ($)
$ / item
Jun. 23, 2016
USD ($)
Jun. 06, 2016
shares
Dec. 31, 2015
USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Marketable securities $ 87     $ 47
Available-for-sale securities $ 38     37
Forward Contracts        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Derivative, Floor Price | $ / item 38.90      
Derivative, Cap Price | $ / item 98.96      
Forward Contracts | Variable postpaid forward        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Debt Instrument, Face Amount   $ 259    
Recurring        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Cash equivalents $ 69     44
Marketable securities 87     47
Available-for-sale securities 38     37
Recurring | Forward Contracts        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Derivative Asset 5      
Recurring | Level 1        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Cash equivalents 61     39
Recurring | Level 2        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Cash equivalents 8     5
Marketable securities 87     47
Available-for-sale securities 38     $ 37
Recurring | Level 2 | Forward Contracts        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Derivative Asset $ 5      
Trip Advisor | Forward Contracts        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Forward Contract Sares indexed | shares     7