Segment Reporting (Segment Data Schedule) (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Segment Reporting Information [Line Items]
Net revenues	$ 5,719	$ 5,892
Amortization of intangibles	(18)	(17)
General corporate expenses	(135)	(60)
Operating income	2,757	2,884
Interest and other debt expense, net	229	281
Net periodic benefit income, excluding service cost	(31)	(46)
(Income) losses from investments in equity securities	80	(34)
Loss on Cronos-related financial instruments	0	10
Earnings before income taxes	2,479	2,673
Smokeable Products Segment [Member]
Segment Reporting Information [Line Items]
Net revenues	5,090	5,265
OCI	2,503	2,559
Oral Tobacco Segment [Member]
Segment Reporting Information [Line Items]
Net revenues	628	613
OCI	416	407
All Other [Member]
Segment Reporting Information [Line Items]
Net revenues	1	14
OCI	$ (9)	$ (5)

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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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The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

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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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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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