Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Investment [Line Items]
Income tax rate	(22.30%)	25.50%	74.10%	25.10%
Effective income tax rate reconciliation adjustments to tax accruals			$ 91
Unrecognized tax benefits	$ 50		50		$ 85
Unrecognized tax benefits that would impact the effective tax rate	43		43		59
Possible decrease in unrecognized tax benefits	26		26
Unrecognized tax benefits that would impact deferred taxes	7		7		$ 26
JUUL [Member]
Investment [Line Items]
Effective income tax rate reconciliation, change in deferred tax assets valuation allowance, amount			1,040
Deferred tax assets, net	$ 1,040		$ 1,040