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Income Taxes (Reconciliation of Effective Tax Rate and U.S. Federal Statutory Rate) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
$
U.S. federal statutory rate	$ 161	$ 1,962	$ 3,440
State and local income taxes, net of federal tax benefit	356	377	345
Re-measurement of net deferred tax liabilities	0	0	(3,063)
Tax basis in foreign investments	84	140	(763)
Deemed repatriation tax	0	14	413
Uncertain tax positions	(40)	8	(89)
Domestic manufacturing deduction	0	0	(181)
Other	(29)	(38)	79
Total provision (benefit) for income taxes	$ 2,064	$ 2,374	$ (399)
%
U.S. federal statutory rate	21.00%	21.00%	35.00%
State and local income taxes, net of federal tax benefit	46.50%	4.00%	3.50%
Re-measurement of net deferred tax liabilities	0.00%	0.00%	(31.20%)
Tax basis in foreign investments	11.00%	1.50%	(7.80%)
Deemed repatriation tax	0.00%	0.10%	4.20%
Uncertain tax positions	(5.20%)	0.10%	(0.90%)
Domestic manufacturing deduction	0.00%	0.00%	(1.80%)
Other	(3.80%)	(0.40%)	0.80%
Effective tax rate	269.50%	25.40%	(4.10%)
Effective Income Tax Rate Reconciliation, Deferred Profit Sharing Dividends	$ 21
JUUL [Member]
$
Investment	$ 1,808	$ 15	$ 0
%
Investment	236.00%	0.20%	0.00%
AB InBev [Member]
$
Investment in ABI	$ (210)	$ (104)	$ (580)
%
Investment in ABI	(27.40%)	(1.10%)	(5.90%)
Cronos [Member]
$
Investment	$ (66)	$ 0	$ 0
%
Investment	(8.60%)	0.00%	0.00%

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in income tax contingencies. Including, but not limited to, domestic tax contingency, foreign tax contingency, state and local tax contingency, and other contingencies.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319

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