Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Narrative) (Details)

v3.19.3
Income Taxes (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Dec. 31, 2018
Income Tax Contingency [Line Items]          
Income tax expense $ (79) $ (71) $ (238) $ (229)  
Effective Income Tax Rate Reconciliation, Percent 29.60% 28.20% 28.70% 26.40%  
UNITED STATES          
Income Tax Contingency [Line Items]          
Effective income tax rate reconciliation, at federal statutory income tax rate, percent     21.00%    
Liberty | Tax Agreement          
Income Tax Contingency [Line Items]          
Current tax payments due to related parties $ 5   $ 5   $ 26