Quarterly report pursuant to Section 13 or 15(d)

Recent Accounting Pronouncements - Impact of Adoption of ASC 606 (Details)

v3.8.0.1
Recent Accounting Pronouncements - Impact of Adoption of ASC 606 (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Jan. 01, 2018
Dec. 31, 2017
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]        
Retained earnings $ 166     $ 196
Noncontrolling interests in equity of subsidiaries 3,361     $ 3,329
Operating income 9 $ (7)    
Earnings (loss) before income taxes (19) (5)    
Income tax (expense) benefit (16) (4)    
Net earnings (loss) $ (35) $ (9)    
Impact of Accounting ASC 606 | ASU 2014-09        
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]        
Retained earnings     $ 1  
Noncontrolling interests in equity of subsidiaries     3  
Trip Advisor        
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]        
Customer invoices due 30 days      
Capitalized contract costs $ 1      
Maximum subscription advertising service contact period 1 year      
Revenue $ 378      
Operating income 23      
Earnings (loss) before income taxes 21      
Income tax (expense) benefit (16)      
Net earnings (loss) $ 5      
Trip Advisor | ASU 2014-09        
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]        
Practical expedient, incremental costs true      
Practical expedient, remaining performance obligation true      
Trip Advisor | Impact of Accounting ASC 606 | ASU 2014-09        
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]        
Retained earnings     $ 4  
Revenue $ (4)      
Operating income (4)      
Earnings (loss) before income taxes (4)      
Income tax (expense) benefit 1      
Net earnings (loss) (3)      
Trip Advisor | Adjusted ASC 605 | ASU 2014-09        
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]        
Revenue 374      
Operating income 19      
Earnings (loss) before income taxes 17      
Income tax (expense) benefit (15)      
Net earnings (loss) $ 2