Common Stock, Dividends, Per Share, Annualized

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- Definition

Common Stock, Increase (Decrease) in Dividend Rate, Percentage

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- Definition

Equity Securities Fv-Ni, Purchase Price

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- Definition

Equity Securities Without Readily Determinable Fair Value, Ownership Percentage

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Aggregate dividends declared during the period for each share of common stock outstanding.

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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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- Definition

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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No definition available.

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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

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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No definition available.

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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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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Amount of stock repurchase plan authorized.

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- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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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 ($)	3 Months Ended			9 Months Ended		18 Months Ended	31 Months Ended
	Sep. 30, 2019	Jun. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 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]
Common stock increase decrease in dividend rate percentage	5.00%
Dividends declared (usd per share)	$ 0.84	$ 0.80	$ 0.80	$ 2.44	$ 2.2
Common stock, dividends, per share, annualized (in usd per share)				$ 3.36
Repurchase of common stock (shares)	0		6,200,000	6,400,000	21,800,000
Average price of repurchased shares, per share (usd per share)	$ 0		$ 59.18	$ 54.36	$ 60.53
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%
JUUL [Member]
Equity, Class of Treasury Stock [Line Items]
Equity securities, ownership percentage	35.00%			35.00%							35.00%
Equity securities Fv-Ni, purchase price											$ 12,800,000,000
Cronos [Member]
Equity, Class of Treasury Stock [Line Items]
Equity method investment, ownership percentage	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)							58,700,000
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)						34,000,000.0
Average price of repurchased shares, per share (usd per share)						$ 58.86
July 2019 Share Repurchase Program [Member]
Equity, Class of Treasury Stock [Line Items]
Planned share repurchase program								$ 1,000,000,000.0
Stock repurchased during period (in shares)				0
Helix Innovations LLC [Member]
Equity, Class of Treasury Stock [Line Items]
Noncontrolling interest, ownership percentage by parent		80.00%				80.00%
Business combination, consideration transferred		$ 353,000,000
Noncontrolling interest, ownership percentage by noncontrolling owners		20.00%				20.00%