Annual report pursuant to Section 13 and 15(d)

Long-Term Debt (Debt) (Details)

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Long-Term Debt (Debt) (Details) - USD ($)
12 Months Ended
Dec. 31, 2021
Oct. 27, 2021
Dec. 31, 2020
Aug. 20, 2020
Feb. 04, 2020
Dec. 06, 2019
Jul. 01, 2019
Dec. 31, 2018
Debt Instrument [Line Items]                
Debt instrument interest rate stated percentage     3.50%          
Long-term portion of debt and finance lease obligations $ 137,000,000   $ 150,000,000          
Less debt issuance costs, net (43,000,000)   (50,000,000)          
Long-term Debt 5,043,000,000   4,959,000,000          
Debt, Current (20,000,000)   (410,000,000)          
Long-term Debt, Term 5,023,000,000   $ 4,549,000,000          
Fair Value of Debt Exchanged 573,000,000              
Fair Value of Debt Redeemed 1,000,000              
Derivative, Notional Amount             $ 125,000,000  
zulily, llc                
Debt Instrument [Line Items]                
Obligation with Joint and Several Liability Arrangement, Amount Recognized 151,000,000              
Exchangeable Senior Debentures Due 2031 [Member]                
Debt Instrument [Line Items]                
Debt instrument interest rate stated percentage     3.50%          
Debt Instrument Net Of Unamortized Discounts Premium $ 0   $ 393,000,000          
4.375% Senior Secured Notes [Member]                
Debt Instrument [Line Items]                
Debt instrument interest rate stated percentage 4.375%              
Debt Instrument Net Of Unamortized Discounts Premium $ 750,000,000   750,000,000          
4.85% Senior Secured Notes [Member]                
Debt Instrument [Line Items]                
Debt instrument interest rate stated percentage 4.85%              
Debt Instrument Net Of Unamortized Discounts Premium $ 600,000,000   600,000,000          
4.45% Senior Secured Notes [Member]                
Debt Instrument [Line Items]                
Debt instrument interest rate stated percentage 4.45%              
Debt Instrument Net Of Unamortized Discounts Premium $ 599,000,000   599,000,000          
4.75% Senior Secured Notes [Member] [Member]                
Debt Instrument [Line Items]                
Debt instrument interest rate stated percentage 4.75%       4.75%      
Debt Instrument Net Of Unamortized Discounts Premium $ 575,000,000   575,000,000          
4.375% Senior Secured Notes due 2028                
Debt Instrument [Line Items]                
Debt instrument interest rate stated percentage 4.375%     4.375%        
Debt Instrument Net Of Unamortized Discounts Premium $ 500,000,000   500,000,000          
5.45% Senior Secured Notes [Member]                
Debt Instrument [Line Items]                
Debt instrument interest rate stated percentage 5.45%              
Debt Instrument Net Of Unamortized Discounts Premium $ 399,000,000   399,000,000          
5.950% Senior Secured Notes [Member]                
Debt Instrument [Line Items]                
Debt instrument interest rate stated percentage 5.95%              
Debt Instrument Net Of Unamortized Discounts Premium $ 300,000,000   300,000,000          
6.375% Senior Secured Notes [Member]                
Debt Instrument [Line Items]                
Debt instrument interest rate stated percentage 6.375%              
Debt Instrument Net Of Unamortized Discounts Premium $ 225,000,000   225,000,000          
6.25% Senior Secured Notes [Member] [Member]                
Debt Instrument [Line Items]                
Debt instrument interest rate stated percentage 6.25%         6.25%    
Debt Instrument Net Of Unamortized Discounts Premium $ 500,000,000   500,000,000          
Debt Instrument, Term 5 years              
Revolving Credit Facility [Member]                
Debt Instrument [Line Items]                
Debt Instrument Net Of Unamortized Discounts Premium $ 481,000,000   0          
Line of credit facility maximum borrowing capacity   $ 3,250,000,000            
Revolving Credit Facility [Member] | Minimum                
Debt Instrument [Line Items]                
Debt Instrument, Basis Spread on Variable Rate 1.25%              
Revolving Credit Facility [Member] | Maximum                
Debt Instrument [Line Items]                
Debt Instrument, Basis Spread on Variable Rate 1.625%              
Revolving Credit Facility [Member] | ABR Rate | Minimum                
Debt Instrument [Line Items]                
Debt Instrument, Basis Spread on Variable Rate 0.25%              
Revolving Credit Facility [Member] | ABR Rate | Maximum                
Debt Instrument [Line Items]                
Debt Instrument, Basis Spread on Variable Rate 0.625%              
Capital Lease Obligations [Member]                
Debt Instrument [Line Items]                
Long-term portion of debt and finance lease obligations $ 157,000,000   $ 168,000,000          
Standby Letters of Credit                
Debt Instrument [Line Items]                
Line of credit facility maximum borrowing capacity   450,000,000            
Alternative Currency Borrowings                
Debt Instrument [Line Items]                
Line of credit facility maximum borrowing capacity   $ 0.50            
250 million interest rate swap [Member]                
Debt Instrument [Line Items]                
Derivative, Notional Amount               $ 250,000,000