Annual report pursuant to Section 13 and 15(d)

Other Comprehensive Earnings (loss) (Details)

v3.20.4
Other Comprehensive Earnings (loss) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Balance $ 21,925 $ 21,698 $ 22,574
Balance 19,601 21,925 21,698
Unrealized holding gains (losses) arising during period      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Balance (12) (15) (12)
Other comprehensive earnings (loss) attributable to Liberty stockholders (7) 3 (3)
Balance (19) (12) (15)
Foreign currency translation adjustment      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Balance (17) (30) (6)
Other comprehensive earnings (loss) attributable to Liberty stockholders 10 13 (24)
Balance (7) (17) (30)
Other      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Balance (4) 7 (17)
Other comprehensive earnings (loss) attributable to Liberty stockholders 108 (11) 22
Balance 104 (4) 7
Other | Revision of Prior Period, Change in Accounting Principle, Adjustment      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Other comprehensive earnings (loss) attributable to Liberty stockholders     2
Accumulated Other Comprehensive Earnings      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Balance (33) (38) (35)
Other comprehensive earnings (loss) attributable to Liberty stockholders 111 5 (5)
Balance $ 78 $ (33) (38)
Accumulated Other Comprehensive Earnings | Revision of Prior Period, Change in Accounting Principle, Adjustment      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Other comprehensive earnings (loss) attributable to Liberty stockholders     $ 2