Annual report pursuant to Section 13 and 15(d)

Assets and Liabilities Measured at Fair Value (Details)

v3.6.0.2
Assets and Liabilities Measured at Fair Value (Details)
$ in Millions
Dec. 31, 2016
USD ($)
Jun. 23, 2016
USD ($)
Jun. 06, 2016
$ / item
shares
Dec. 31, 2015
USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Marketable securities $ 118     $ 47
Available-for-sale securities 16     37
Variable postpaid forward        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Debt Instrument, Face Amount   $ 259    
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 53     44
Marketable securities 118     47
Available-for-sale securities 16     37
Derivative Asset 51      
Recurring | Level 1        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Cash equivalents 53     39
Recurring | Level 2        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Cash equivalents       5
Marketable securities 118     47
Available-for-sale securities 16     $ 37
Derivative Asset $ 51      
Trip Advisor | Forward Contracts        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Forward Contract Shares indexed | shares     7,000,000