Income Taxes (Reconciliation of Effective Tax Rate and U.S. Federal Statutory Rate) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
$
U.S. federal statutory rate	$ 803	$ 1,447	$ 161
State and local income taxes, net of federal tax benefit	451	410	356
Tax basis in foreign investments	25	23	84
Uncertain tax positions	(25)	9	(40)
Other	(9)	6	(29)
Total provision (benefit) for income taxes	$ 1,349	$ 2,436	$ 2,064
%
U.S. federal statutory rate	21.00%	21.00%	21.00%
State and local income taxes, net of federal tax benefit	11.80%	6.00%	46.50%
Tax basis in foreign investments	0.70%	0.30%	11.00%
Uncertain tax positions	(0.70%)	0.10%	(5.20%)
Other	(0.20%)	0.10%	(3.80%)
Effective tax rate	35.30%	35.40%	269.50%
Effective income tax rate reconciliation, deferred profit sharing dividends			$ 21
ABI [Member]
$
Investment in ABI	$ (31)	$ (16)	$ (210)
%
Investment in ABI	(0.80%)	(0.20%)	(27.40%)
JUUL [Member]
$
Investment	$ 7	$ 537	$ 1,808
Total provision (benefit) for income taxes		$ 612
%
Investment	0.20%	7.80%	236.00%
Cronos [Member]
$
Investment	$ 128	$ 20	$ (66)
Total provision (benefit) for income taxes	$ 128
%
Investment	3.30%	0.30%	(8.60%)