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Consolidated Statements of Cash Flows (Parenthetical) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Cash divested from deconsolidation $ 1,346 [1] $ 0 $ 0
Restricted cash 4 $ 27 $ 29
Marketing Administration And Research Costs [Member]      
Deconsolidation, gain (loss) amount (239)    
Smoking And Health Class Actions [Member] | RBH [Member] | Cecilia Letourneau & Conseil Quebecois Sur La Tabac Et La Sante and Jean-Yves Blais Cases [Member] | Canada [Member] | Appellate Ruling [Member]      
Amount of litigation charge 194    
Cash [Member]      
Cash divested from deconsolidation 1,323    
Restricted Cash [Member]      
Cash divested from deconsolidation $ 23    
[1] Includes deconsolidation of RBH cash and cash equivalents of $1,323 million and restricted cash of $23 million.