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- Definition

Equity Securities Fv-Ni, Purchase Price

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- Definition

Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

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Amount of lessee's right to use underlying asset under operating lease.

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- Definition

Amount of stock repurchase plan authorized.

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No definition available.

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- Definition

Total cost of shares repurchased divided by the total number of shares repurchased.

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- Definition

Number of shares that have been repurchased during the period and are being held in treasury.

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Background and Basis of Presentation (Narrative) (Details) - USD ($) $ / shares in Units, shares in Millions	3 Months Ended		6 Months Ended		18 Months Ended	31 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jan. 31, 2018	Jul. 31, 2019	Mar. 31, 2019	Jan. 01, 2019	Dec. 31, 2018	May 31, 2018	Jul. 31, 2017	Oct. 31, 2016	Jul. 31, 2015
Equity, Class of Treasury Stock [Line Items]
Repurchase of common stock (shares)	3.7	7.6	6.4	15.6
Average price of repurchased shares, per share (usd per share)	$ 52.93	$ 57.65	$ 54.36	$ 61.07
Accounting Standards Update 2016-02 [Member]
Equity, Class of Treasury Stock [Line Items]
Operating lease, liability									$ 179,000,000
Operating lease, right-of-use asset									179,000,000
Cumulative effect									$ 0
ABI [Member]
Equity, Class of Treasury Stock [Line Items]
Equity method investment, ownership percentage	10.10%		10.10%		10.10%
JUUL [Member]
Equity, Class of Treasury Stock [Line Items]
Equity securities Fv Ni, ownership percentage	35.00%		35.00%		35.00%					35.00%
Equity securities Fv-Ni, purchase price										$ 12,800,000,000
Cronos Group Inc. [Member]
Equity, Class of Treasury Stock [Line Items]
Equity method investment, ownership percentage	45.00%		45.00%		45.00%			45.00%
July 2015 Share Repurchase Program [Member]
Equity, Class of Treasury Stock [Line Items]
Planned share repurchase program												$ 4,000,000,000.0	$ 3,000,000,000.0	$ 1,000,000,000.0
Repurchase of common stock (shares)						58.7
Average price of repurchased shares, per share (usd per share)						$ 68.15
January 2018 Share Repurchase Program [Member]
Equity, Class of Treasury Stock [Line Items]
Planned share repurchase program						$ 1,000,000,000.0					$ 2,000,000,000.0
Repurchase of common stock (shares)					34.0
Average price of repurchased shares, per share (usd per share)					$ 58.86
Subsequent Event [Member] \| July 2019 Share Repurchase Program [Member]
Equity, Class of Treasury Stock [Line Items]
Planned share repurchase program							$ 1,000,000,000.0