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Equity Securities Fv-Ni, Purchase Price

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Related Party Transaction, Services Agreement, Term

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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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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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This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

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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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Amount of stock repurchase plan authorized.

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Amount remaining of a stock repurchase plan authorized.

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

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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	1 Months Ended	3 Months Ended		31 Months Ended
	Dec. 31, 2018	Mar. 31, 2019	Mar. 31, 2018	Jan. 31, 2018	Mar. 08, 2019	Jan. 01, 2019	May 31, 2018	Jul. 31, 2017	Oct. 31, 2016	Jul. 31, 2015
Equity, Class of Treasury Stock [Line Items]
Income (loss) from equity method investments		$ 86,000,000	$ 342,000,000
Repurchase of common stock (shares)		2.7	8.0
Average price of repurchased shares, per share (usd per share)		$ 56.34	$ 64.33
AB InBev [Member]
Equity, Class of Treasury Stock [Line Items]
Equity method investment, ownership percentage		10.10%
JUUL [Member]
Equity, Class of Treasury Stock [Line Items]
Equity securities Fv Ni, ownership percentage	35.00%	35.00%
Equity securities Fv-Ni, purchase price	$ 12,800,000,000
Related party transaction, services agreement, term	6 years
Cronos Group Inc. [Member]
Equity, Class of Treasury Stock [Line Items]
Equity method investment, ownership percentage		45.00%			45.00%
Income (loss) from equity method investments		$ 0
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
Stock repurchase program, remaining authorized repurchase amount		$ 195,000,000
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