Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies Other Details (Details)

v3.10.0.1
Summary of Significant Accounting Policies Other Details (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Jun. 15, 2016
Finite-Lived Intangible Assets [Line Items]        
Interest rate swap arrangements (note 8)   $ 2    
Cash Equivalents, at Carrying Value $ 233 42    
Customer returns 2,213 1,811 $ 1,815  
Advertising Expense 138 $ 86 $ 84  
Derivative, notional amount       $ 125
CNR Home Shopping Co., Ltd.        
Finite-Lived Intangible Assets [Line Items]        
Payments to Acquire Businesses, Gross $ 38      
Equity method investment, ownership percentage 49.00%