Segment Reporting (Segment Data Schedule) (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Segment Reporting Information [Line Items]
Net revenues	$ 6,036	$ 6,359
Operating income	2,690	2,336
Interest and other debt expense, net	(308)	(275)
Loss on early extinguishment of debt	(649)	0
Net periodic benefit (income) cost, excluding service cost	43	27
Income (losses) from equity investments	51	157
Gain (loss) on Cronos-related financial instruments	110	(137)
Earnings before income taxes	1,937	2,108
Smokeable Products Segment [Member]
Segment Reporting Information [Line Items]
Net revenues	5,250	5,606
OCI	2,372	2,370
Oral Tobacco Segment [Member]
Segment Reporting Information [Line Items]
Net revenues	626	601
OCI	392	414
Wine Segment [Member]
Segment Reporting Information [Line Items]
Net revenues	150	146
OCI	18	(379)
All Other [Member]
Segment Reporting Information [Line Items]
Net revenues	10	6
OCI	(14)	(5)
Segment Reconciling Items [Member]
Segment Reporting Information [Line Items]
Amortization of intangibles	(17)	(19)
General corporate [Member]
Segment Reporting Information [Line Items]
General corporate expenses	$ (61)	$ (45)

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Operating Income (Loss) Before General Corporate Expenses and Amortization Of Intangibles

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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The net amount of operating interest income (expense).

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Amount of expense (reversal of expense) for net periodic benefit cost components, excluding service cost component, of defined benefit plan. Amount includes, but is not limited to, interest cost, expected (return) loss on plan asset, amortization of prior service cost (credit), amortization of (gain) loss, amortization of transition (asset) obligation, settlement (gain) loss, curtailment (gain) loss and certain termination benefits.

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The net result for the period of deducting operating expenses from operating revenues.

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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