Income Taxes - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2023	Dec. 31, 2022
Investments [Line Items]
Unrecognized tax benefits	$ 1,233		$ 1,233
Income tax benefit	(742)	$ (183)	(2,123)	$ (1,611)
Unrecognized tax benefits, period increase (decrease)			1,164
Unrecognized tax benefits that would impact the effective tax rate	35		35			$ 44
Unrecognized tax benefits that would impact deferred tax rate	$ 1,198		1,198			$ 25
JUUL [Member]
Investments [Line Items]
Income tax benefit			1,141
Unrecognized tax benefits, period increase (decrease)			1,173
Deferred federal income tax benefit			$ 32
Forecast [Member] | JUUL [Member]
Investments [Line Items]
Equity securities, FV-NI, ordinary gain (loss), tax basis of investments					$ 6,500
Unrecognized tax benefits					$ 1,600