Annual report pursuant to Section 13 and 15(d)

Other Comprehensive Earnings (loss) (Details)

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Other Comprehensive Earnings (loss) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Balance $ 21,698 $ 22,574 $ 17,716
Balance 21,925 21,698 22,574
Unrealized holding gains (losses) arising during period      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Balance (15) (12) (9)
Other comprehensive earnings (loss) attributable to Liberty stockholders 3 (3) (3)
Balance (12) (15) (12)
Foreign currency translation adjustment      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Balance (30) (6) (22)
Other comprehensive earnings (loss) attributable to Liberty stockholders 13 (24) 16
Balance (17) (30) (6)
Other      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Balance 7 (17) (31)
Other comprehensive earnings (loss) attributable to Liberty stockholders (11) 22 14
Cumulative adjustment for change in accounting principle   2  
Balance (4) 7 (17)
Accumulated Other Comprehensive Earnings      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Balance (38) (35) (62)
Other comprehensive earnings (loss) attributable to Liberty stockholders 5 (5) 27
Cumulative adjustment for change in accounting principle   2  
Balance $ (33) $ (38) $ (35)