Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Narrative) (Details)

v3.21.2
Income Taxes (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Income Tax Contingency [Line Items]          
Income tax expense $ (96) $ (92) $ (181) $ (152)  
Effective Income Tax Rate Reconciliation, Percent 27.20% 29.00% 26.80% 29.30%  
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 $ 1   $ 1   $ 47