Long-Term Debt (Narrative) (Details) (USD $)	Sep. 30, 2011
Line of Credit Facility, Maximum Borrowing Capacity	$ 2,000,000,000
standby letters of credit	250,000,000
Line of Credit Facility, Remaining Borrowing Capacity	1,500,000,000
Long-Term Debt, outstanding principal	6,611,000,000
Swap arrangements, interest rate, low end	2.98%
Swap arrangements, interest rate, high end	3.67%
Swap arrangements, fixed rate	0.91%
QVC Bank Credit Facilities [Member]
Long-Term Debt, outstanding principal	459,000,000
Aggregate Notional Amount Of $1.75 Billion [Member]
Aggregate notional amount	1,750,000,000
Derivative, Variable Interest Rate	0.35%
Aggregate Notional Amount of $600 million [Member]
Aggregate notional amount	$ 600,000,000
Derivative, Variable Interest Rate	0.35%