Quarterly report pursuant to Section 13 or 15(d)

Investments In Affiliates Accounted For Using The Equity Method (Liberty Broadband's Consolidated Balance Sheets) (Details)

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Investments In Affiliates Accounted For Using The Equity Method (Liberty Broadband's Consolidated Balance Sheets) (Details) - USD ($)
$ in Millions
Sep. 30, 2017
Dec. 31, 2016
Investments in affiliates, accounted for using the equity method $ 573 $ 581
Liberty Broadband    
Current assets 142 258
Investments in affiliates, accounted for using the equity method 9,327 9,315
Other assets 13 18
Total assets 9,482 9,591
Long-term debt, including current portion 497 599
Deferred income taxes 498 505
Other liabilities 17 14
Equity 8,470 8,473
Total liabilities and equity $ 9,482 $ 9,591