Condensed Consolidated Statements of Cash Flows (Parenthetical) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019		Dec. 31, 2019	Dec. 31, 2018
Asset impairment and exit costs	$ 71	$ 23	$ 71	$ 43
Cash divested from deconsolidation			0	1,346	[1]
Restricted cash	$ 7	$ 5	$ 7	5		$ 4	$ 27
Cash [Member]
Cash divested from deconsolidation				1,323
Restricted Cash [Member]
Cash divested from deconsolidation				23
Canada [Member] | Cecilia Letourneau & Conseil Quebecois Sur La Tabac Et La Sante and Jean-Yves Blais Cases [Member] | RBH [Member] | Appellate Ruling [Member] | Smoking And Health Class Actions [Member]
Amount of litigation charge				194
Marketing Administration And Research Costs [Member]
Deconsolidation amount				$ 239

[1] Includes deconsolidation of RBH cash and cash equivalents of $1,323 million and restricted cash of $23 million.