Annual report pursuant to Section 13 and 15(d)

Other Comprehensive Earnings (loss) (Details)

v3.8.0.1
Other Comprehensive Earnings (loss) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Balance $ 17,716 $ 18,131 $ 20,176
Balance 22,574 17,716 18,131
Accumulated Other Comprehensive Income (Loss)      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Balance (62) (51) (21)
Other comprehensive earnings (loss) attributable to Liberty stockholders 27 (11) (30)
Balance (35) (62) (51)
Accumulated other comprehensive income, other [Member]      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Balance (31) (18) (11)
Other comprehensive earnings (loss) attributable to Liberty stockholders 14 (13) (7)
Balance (17) (31) (18)
Accumulated Foreign Currency Translation Adjustment [Member]      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Balance (22) (23)  
Other comprehensive earnings (loss) attributable to Liberty stockholders 16 1 (23)
Balance (6) (22) (23)
Accumulated Net Unrealized Investment Gain (Loss) [Member]      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Balance (9) (10) (10)
Other comprehensive earnings (loss) attributable to Liberty stockholders (3) 1  
Balance $ (12) $ (9) $ (10)