Income Taxes (Reconciliation of Effective Tax Rate and U.S. Federal Statutory Rate) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
$
U.S. federal statutory rate	$ 2,295	$ 1,552	$ 803
State and local income taxes, net of federal tax benefit	463	435	451
Tax basis in foreign investments	34	11	25
Uncertain tax positions	8	0	(25)
Valuation allowance releases	0	(664)	(15)
Other	(29)	(21)	(9)
Total provision for income taxes	$ 2,798	$ 1,625	$ 1,349
%
U.S. federal statutory rate	21.00%	21.00%	21.00%
State and local income taxes, net of federal tax benefit	4.20%	5.90%	11.80%
Tax basis in foreign investments	0.30%	0.10%	0.70%
Uncertain tax positions	0.10%	0.00%	(0.70%)
Valuation allowance releases	0.00%	(9.00%)	(0.40%)
Other	(0.30%)	(0.20%)	(0.20%)
Effective tax rate	25.60%	22.00%	35.30%
ABI [Member]
$
Investment	$ (37)	$ (24)	$ (16)
%
Investment	(0.30%)	(0.30%)	(0.40%)
JUUL [Member]
$
Investment	$ 53	$ 306	$ 7
Total provision for income taxes	$ (1,505)
%
Investment	0.50%	4.10%	0.20%
Cronos [Member]
$
Investment	$ 11	$ 30	$ 128
%
Investment	0.10%	0.40%	3.30%