Annual report pursuant to Section 13 and 15(d)

Transactions with Officers and Directors (Details)

Transactions with Officers and Directors (Details) (USD $)	12 Months Ended	1 Months Ended
	Dec. 31, 2014	Dec. 31, 2014	Dec. 31, 2013
Chief Executive Officer
Employment agreement term	5 years
Officers' Compensation	$ 960,750
Annual base salary increase	5.00%
Annual target cash bonus	250.00%
Termination Benefits Scenario Without Cause or Good Reason [Member] \| Chief Executive Officer
Severance payment multiple	1.5
Pro rated severance payment	11,750,000
Fixed severance payments	17,500,000
Additional vesting added upon termination	18 months
Termination Benefits Scenario With No Good Reason [Member] \| Chief Executive Officer
Fixed severance payments	11,750,000
Termination Benefits Scenario For Death Or Disability [Member] \| Chief Executive Officer
Severance payment multiple	1.5
Pro rated severance payment	11,750,000
Fixed severance payments	17,500,000
Performance Options And Performance Based Restricted Stock Units [Member] \| Common Class B \| Chief Executive Officer
Term of options	7 years
Weighted average remaining life - options outstanding	7 years
Target Allocation [Abstract]
2015	16,000,000
2016	17,000,000
2017	18,000,000
2018	19,000,000
2019	$ 20,000,000
Maximum percentage of grant of performance awards	50.00%
Liberty Interactive common stock \| Common Class B
Term of options	4 years 6 months
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures	646,000
Common Stock, Par or Stated Value Per Share	$ 0.01	0.01	$ 0.01
Weighted average remaining life - options outstanding	4 years 6 months
Options granted	646,000
Exercise price of options granted	$ 29.87
Liberty Interactive common stock \| Common Class B \| Chief Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures		646,000
Options granted		646,000
Liberty Ventures common stock
Exercise price of options granted	$ 38.10
Liberty Ventures common stock \| Common Class B
Term of options	6 years 7 months 6 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures	1,406,000
Common Stock, Par or Stated Value Per Share	$ 0.01	0.01	$ 0.01
Weighted average remaining life - options outstanding	6 years 7 months 6 days
Options granted	1,406,000
Exercise price of options granted	$ 37.63
Liberty Ventures common stock \| Common Class B \| Chief Executive Officer
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures		1,400,000
Options granted		1,400,000