Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies Other Details (Details)

v3.22.0.1
Summary of Significant Accounting Policies Other Details (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Accounting Policies [Abstract]      
Cash Equivalents, at Carrying Value $ 124 $ 240  
Advertising Expense 288 208 $ 153
Cash and Cash Equivalents [Line Items]      
Cash Equivalents, at Carrying Value 124 $ 240  
Obligation with Joint and Several Liability Arrangement, Corresponding Entry, Amount $ 151    
CNR Home Shopping Co., Ltd.      
Accounting Policies [Abstract]      
Equity method investment, ownership percentage   49.00%  
Schedule of Equity Method Investments [Line Items]      
Equity method investment, ownership percentage   49.00%  
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures   $ 10  
Cash and Cash Equivalents [Line Items]      
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures   $ 10