Tracking Stocks (Details) |
3 Months Ended | 9 Months Ended | 12 Months Ended | |||||||||
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Jul. 22, 2016
shares
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May 18, 2016
USD ($)
$ / shares
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Oct. 01, 2015
USD ($)
$ / shares
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Sep. 30, 2016
USD ($)
item
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Sep. 30, 2015
USD ($)
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Sep. 30, 2016
USD ($)
item
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Sep. 30, 2015
USD ($)
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Dec. 31, 2015
USD ($)
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Nov. 04, 2016
USD ($)
|
Nov. 02, 2016
USD ($)
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Jul. 07, 2016
USD ($)
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Dec. 31, 2014
USD ($)
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Targeted or Tracking Stock, Stock [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Cash distributed to Liberty from Liberty Expedia Holdings | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | $ 300,000,000 | Ìý | Ìý | Ìý |
Number of tracking stocks | item | Ìý | Ìý | Ìý | 2 | Ìý | 2 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Cash and cash equivalents | Ìý | Ìý | Ìý | $ 505,000,000 | $ 2,546,000,000 | $ 505,000,000 | $ 2,546,000,000 | $ 2,449,000,000 | Ìý | Ìý | Ìý | $ 2,306,000,000 |
Investment in Affiliate | Ìý | Ìý | Ìý | $ 3,051,000,000 | Ìý | 3,051,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Goodwill, Purchase Accounting Adjustments | Ìý | Ìý | Ìý | Ìý | Ìý | $ 57,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Liberty Broadband | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Targeted or Tracking Stock, Stock [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Investment in Affiliate | Ìý | $ 2,400,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Expedia | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Targeted or Tracking Stock, Stock [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Equity Method Investment, Ownership Percentage | Ìý | Ìý | Ìý | 16.00% | Ìý | 16.00% | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Voting Interest In Investee | Ìý | Ìý | Ìý | 52.00% | Ìý | 52.00% | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
zulily | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Targeted or Tracking Stock, Stock [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Business Combination, Consideration Transferred | Ìý | Ìý | $ 2,300,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Business Acquisition, Cost of Acquired Entity, Cash Paid | Ìý | Ìý | $ 1,200,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Business Acquisition, Share Price | $ / shares | Ìý | Ìý | $ 9.375 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Goodwill, Purchase Accounting Adjustments | Ìý | Ìý | Ìý | Ìý | Ìý | $ 57,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Finite-Lived Intangible Assets, Purchase Accounting Adjustments | Ìý | Ìý | Ìý | Ìý | Ìý | (40,000,000) | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Indefinite-lived Intangible Assets, Purchase Accounting Adjustments | Ìý | Ìý | Ìý | Ìý | Ìý | (50,000,000) | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Deferred Tax Liabilities Purchase Accounting Adjustments | Ìý | Ìý | Ìý | $ 33,000,000 | Ìý | 33,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Business Acquisition, Amortization Adjustment Recognized During Measurement Period | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | (3,000,000) | Ìý | Ìý | Ìý | Ìý |
QVC Group Common Stock | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Targeted or Tracking Stock, Stock [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Cash and cash equivalents | Ìý | Ìý | Ìý | $ 348,000,000 | 512,000,000 | $ 348,000,000 | 512,000,000 | 426,000,000 | Ìý | Ìý | Ìý | 422,000,000 |
QVC Group Common Stock | HSN, Inc. | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Targeted or Tracking Stock, Stock [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Equity Method Investment, Ownership Percentage | Ìý | Ìý | Ìý | 38.00% | Ìý | 38.00% | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
QVC Group Common Stock | zulily | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Targeted or Tracking Stock, Stock [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Business Acquisition Equity Interests Issued or Issuable Number Of Shares Issued Per Shares Acquired | Ìý | Ìý | 0.3098 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Liberty Ventures common stock | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Targeted or Tracking Stock, Stock [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Cash and cash equivalents | Ìý | Ìý | Ìý | $ 157,000,000 | 2,034,000,000 | $ 157,000,000 | 2,034,000,000 | 2,023,000,000 | Ìý | Ìý | Ìý | $ 1,884,000,000 |
Investment in Affiliate | Ìý | Ìý | Ìý | $ 3,051,000,000 | Ìý | $ 3,051,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Price per share of Liberty Broadband Series C common stock | $ / shares | Ìý | $ 56.23 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Liberty Ventures common stock | Expedia Margin Loan | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Targeted or Tracking Stock, Stock [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Principal amount | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | $ 300,000,000 | Ìý |
Liberty Ventures common stock | Liberty Broadband | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Targeted or Tracking Stock, Stock [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Equity Method Investment, Ownership Percentage | Ìý | Ìý | Ìý | 24.00% | Ìý | 24.00% | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Liberty Ventures common stock | Expedia | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Targeted or Tracking Stock, Stock [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Equity Method Investment, Ownership Percentage | Ìý | Ìý | Ìý | 16.00% | Ìý | 16.00% | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Liberty Ventures common stock | Common Class A | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Targeted or Tracking Stock, Stock [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Spilt-Off redemption ratio | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 0.4 | Ìý | Ìý | Ìý |
Liberty Ventures common stock | Common Class B | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Targeted or Tracking Stock, Stock [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Spilt-Off redemption ratio | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 0.4 | Ìý | Ìý | Ìý |
CommerceHub | Spinoff | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Targeted or Tracking Stock, Stock [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Disposal Group, Including Discontinued Operation, Revenue | Ìý | Ìý | Ìý | $ 7,000,000 | 20,000,000 | $ 51,000,000 | 59,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý |
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest | Ìý | Ìý | Ìý | $ 4,000,000 | $ (5,000,000) | $ 4,000,000 | $ (6,000,000) | Ìý | Ìý | Ìý | Ìý | Ìý |
Disposal Group, Including Discontinued Operation, Assets of Disposal Group | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | $ 115,000,000 | Ìý | Ìý | Ìý | Ìý |
Liberty Expedia Holdings | Common Class A | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Targeted or Tracking Stock, Stock [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Spilt-Off redemption ratio | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 0.4 | Ìý | Ìý | Ìý |
Liberty Expedia Holdings | Common Class B | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Targeted or Tracking Stock, Stock [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Spilt-Off redemption ratio | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 0.4 | Ìý | Ìý | Ìý |
Liberty Broadband | Liberty Ventures common stock | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Targeted or Tracking Stock, Stock [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Liberty Broadband investment in Charter stock | Ìý | $ 5,000,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
CommerceHub | Common Class A | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Targeted or Tracking Stock, Stock [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Shares issued as dividend | shares | 0.1 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
CommerceHub | Common Class B | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Targeted or Tracking Stock, Stock [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Shares issued as dividend | shares | 0.1 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
CommerceHub | Common Class C | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Targeted or Tracking Stock, Stock [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Shares issued as dividend | shares | 0.2 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Liberty Expedia Holdings | Expedia Holdings Margin Loan | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Targeted or Tracking Stock, Stock [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Principal amount | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | $ 350,000,000 | Ìý | Ìý |