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Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity (Narrative) (Details)

v3.10.0.1
Stockholders' Equity (Narrative) (Details)
$ in Millions
 12 Months Ended
Dec. 29, 2017
shares
Dec. 31, 2018
USD ($)
Vote
shares
Dec. 31, 2017
USD ($)
shares
Dec. 31, 2016
USD ($)
shares
Mar. 09, 2018
Nov. 04, 2016
Jun. 02, 2015
shares
Class of Stock [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Preferred Stock, Shares Issued Ìý 0 0 Ìý Ìý Ìý Ìý
Capital stock designated as common stock Ìý Ìý Ìý Ìý Ìý Ìý 8,965,000,000
Capital stock authorized for issuance Ìý Ìý Ìý Ìý Ìý Ìý 9,015,000,000
Common Stock, Capital Shares Reserved for Future Issuance Ìý 30,300,000 Ìý Ìý Ìý Ìý Ìý
Common Class A Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Class of Stock [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Number of votes | Vote Ìý 1 Ìý Ìý Ìý Ìý Ìý
Share received in exchange Ìý 1 Ìý Ìý Ìý Ìý Ìý
Common stock, shares authorized Ìý 4,000,000,000 4,000,000,000 Ìý Ìý Ìý Ìý
Common Stock, Shares, Issued Ìý 409,901,058 449,335,940 Ìý Ìý Ìý Ìý
Common Stock, Shares, Outstanding Ìý 409,901,058 449,335,940 Ìý Ìý Ìý Ìý
Common Stock, Capital Shares Reserved for Future Issuance Ìý 28,400,000 Ìý Ìý Ìý Ìý Ìý
Stock Repurchased and Retired During Period, Shares Ìý 43,080,787 34,765,751 34,836,196 Ìý Ìý Ìý
Stock Repurchased and Retired During Period, Value | $ Ìý $ 988 $ 766 $ 799 Ìý Ìý Ìý
Common Class A | Liberty Expedia Holdings | Discontinued Operations Split-Off Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Class of Stock [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Spilt-Off redemption ratio Ìý Ìý Ìý Ìý Ìý 0.4 Ìý
Common Class A | Liberty Ventures common stock Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Class of Stock [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Common stock, shares authorized Ìý Ìý 400,000,000 Ìý Ìý Ìý 400,000,000
Common Stock, Shares, Issued Ìý Ìý 81,686,659 Ìý Ìý Ìý Ìý
Common Stock, Shares, Outstanding Ìý Ìý 81,686,659 Ìý Ìý Ìý Ìý
Spilt-Off redemption ratio Ìý Ìý Ìý Ìý 1 Ìý Ìý
Common Class A | Liberty Ventures common stock | Liberty Expedia Holdings | Discontinued Operations Split-Off Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Class of Stock [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Spilt-Off redemption ratio Ìý Ìý Ìý Ìý Ìý 0.4 Ìý
Common Class B Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Class of Stock [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Number of votes | Vote Ìý 10 Ìý Ìý Ìý Ìý Ìý
Common stock, shares authorized Ìý 150,000,000 150,000,000 Ìý Ìý Ìý Ìý
Common Stock, Shares, Issued Ìý 29,248,343 29,203,895 Ìý Ìý Ìý Ìý
Common Stock, Shares, Outstanding Ìý 29,248,343 29,203,895 Ìý Ìý Ìý Ìý
Common Stock, Capital Shares Reserved for Future Issuance Ìý 1,800,000 Ìý Ìý Ìý Ìý Ìý
Common Class B | Liberty Expedia Holdings | Discontinued Operations Split-Off Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Class of Stock [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Spilt-Off redemption ratio Ìý Ìý Ìý Ìý Ìý 0.4 Ìý
Common Class B | Liberty Ventures common stock Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Class of Stock [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Common stock, shares authorized Ìý Ìý 15,000,000 Ìý Ìý Ìý 15,000,000
Common Stock, Shares, Issued Ìý Ìý 4,455,311 Ìý Ìý Ìý Ìý
Common Stock, Shares, Outstanding Ìý Ìý 4,455,311 Ìý Ìý Ìý Ìý
Spilt-Off redemption ratio Ìý Ìý Ìý Ìý 1 Ìý Ìý
Common Class B | Liberty Ventures common stock | Liberty Expedia Holdings | Discontinued Operations Split-Off Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Class of Stock [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Spilt-Off redemption ratio Ìý Ìý Ìý Ìý Ìý 0.4 Ìý
Common Class C Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Class of Stock [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Common stock, shares authorized Ìý 4,000,000,000 Ìý Ìý Ìý Ìý Ìý
Common Stock, Shares, Issued Ìý 0 Ìý Ìý Ìý Ìý Ìý
Common Stock, Shares, Outstanding Ìý 0 Ìý Ìý Ìý Ìý Ìý
Common Class C | Liberty Ventures common stock Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Class of Stock [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Common stock, shares authorized Ìý Ìý Ìý Ìý Ìý Ìý 400,000,000
HSN, Inc. | Common Class A Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Class of Stock [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Stock Issued During Period Shares Acquisitions 53,600,000 Ìý Ìý Ìý Ìý Ìý Ìý