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Stock Options and Other Share-Based Awards (Narrative) (Details) (USD $)
In Millions, except Per Share data, unless otherwise specified |
3 Months Ended | 6 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | |||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Jun. 30, 2014
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Jun. 30, 2013
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Jun. 30, 2014
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Jun. 30, 2013
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2011
|
Aug. 31, 2012
Liberty Incentive Plan
|
Dec. 31, 2013
Liberty Incentive Plan
|
Dec. 31, 2012
Liberty Incentive Plan
|
Dec. 31, 2011
Liberty Incentive Plan
|
Dec. 31, 2013
Liberty Incentive Plan
Stock options
tranche
|
Dec. 31, 2012
Liberty Incentive Plan
Stock options
|
Dec. 31, 2011
Liberty Incentive Plan
Stock options
|
Dec. 31, 2013
Liberty Incentive Plan
Restricted stock
|
Dec. 31, 2012
Liberty Incentive Plan
Restricted stock
|
Dec. 31, 2011
Liberty Incentive Plan
Restricted stock
|
Aug. 31, 2012
Liberty Incentive Plan
LINTA
tracking-stock
|
Dec. 31, 2013
Liberty Incentive Plan
LINTA
|
Dec. 31, 2012
Liberty Incentive Plan
LINTA
|
Dec. 31, 2011
Liberty Incentive Plan
LINTA
|
Dec. 31, 2013
Liberty Incentive Plan
LINTA
Stock options
|
Dec. 31, 2012
Liberty Incentive Plan
LINTA
Stock options
|
Dec. 31, 2011
Liberty Incentive Plan
LINTA
Stock options
|
Dec. 31, 2013
Liberty Incentive Plan
LINTA
Restricted stock
|
Dec. 31, 2012
Liberty Incentive Plan
LINTA
Restricted stock
|
Dec. 31, 2011
Liberty Incentive Plan
LINTA
Restricted stock
|
Dec. 31, 2012
Liberty Incentive Plan
LINTA
Option Exchange
|
Dec. 31, 2012
Liberty Incentive Plan
LVNTA
|
Dec. 31, 2013
Liberty Incentive Plan
LVNTA
Stock options
|
Dec. 31, 2012
Liberty Incentive Plan
LVNTA
Stock options
|
Dec. 31, 2013
Liberty Incentive Plan
LVNTA
Restricted stock
|
Dec. 31, 2012
Liberty Incentive Plan
LVNTA
Restricted stock
|
Dec. 31, 2012
Liberty Incentive Plan
LVNTA
Option Exchange
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||||||||||||||||||||||||||||||||
| Number of tracking stocks after the split | 2 | |||||||||||||||||||||||||||||||||
| Tracking stock conversion ratio, subsidiary to parent (for each subsidiary share issued) | 20 | |||||||||||||||||||||||||||||||||
| Award term | 7 years | |||||||||||||||||||||||||||||||||
| Award vesting period | 4 years | |||||||||||||||||||||||||||||||||
| Award vesting period in equal semi-annual tranches | 8 | |||||||||||||||||||||||||||||||||
| Intrinsic value of options exercised during period | $ 37 | $ 97 | $ 20 | |||||||||||||||||||||||||||||||
| Weighted average grant date fair value of options granted during period | $ 8.16 | $ 6.66 | $ 7.32 | $ 6.94 | $ 15.22 | $ 25.69 | ||||||||||||||||||||||||||||
| Forfeiture rate assumed in stock option valuations (annualized) | 10.00% | |||||||||||||||||||||||||||||||||
| Stock-based compensation expense | 10 | 9 | 18 | 19 | 38 | 34 | 22 | 31 | 29 | 18 | 7 | 5 | 4 | |||||||||||||||||||||
| Unrecognized compensation cost related to options | 50 | |||||||||||||||||||||||||||||||||
| Unrecognized compensation cost, period for recognition | 4 years 9 months 18 days | 4 years | 4 years 1 month 6 days | 1 year 7 months 6 days | 2 years 6 months | 2 years 1 month 6 days | 4 years 6 months | 5 years 7 months 6 days | 1 year 9 months 18 days | 2 years 3 months 18 days | ||||||||||||||||||||||||
| Unrecognized compensation cost related to restricted stock | $ 13 | |||||||||||||||||||||||||||||||||