Income Taxes - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2023	Dec. 31, 2022
Investments [Line Items]
Unrecognized tax benefits	$ 842		$ 842
Income tax benefit	(689)	$ (714)	(1,381)	$ (1,428)
Unrecognized tax benefits, period increase (decrease)			773
Unrecognized tax benefits that would impact the effective tax rate	35		35			$ 44
Unrecognized tax benefits that would impact deferred tax rate	807		807			$ 25
JUUL [Member]
Investments [Line Items]
Income tax benefit	$ 760
Unrecognized tax benefits, period increase (decrease)			782
Deferred federal income tax benefit			$ 22
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