Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Narrative) (Details)

v3.7.0.1
Income Taxes (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Dec. 31, 2016
Income Tax Contingency [Line Items]          
Income tax expense $ (90) $ (104) $ (167) $ (180)  
Effective income tax rate reconciliation, percent 37.30%   36.90%    
UNITED STATES          
Income Tax Contingency [Line Items]          
Effective income tax rate reconciliation, at federal statutory income tax rate, percent     35.00%    
Liberty | Tax Agreement          
Income Tax Contingency [Line Items]          
Current tax payments due to related parties $ 30   $ 30   $ 75