Amount of loss contingency liability.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

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- Definition

Amount of cash outflow reducing loss contingency liability.

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- Definition

Amount charged against operating income increasing loss contingency liability, after adjustments to reduce previously estimated charges.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Contingencies (Judgments Recorded and Paid) (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended			9 Months Ended
	May 31, 2016	Sep. 30, 2016	Dec. 31, 2015	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Loss Contingency Accrual [Roll Forward]
Accrued liability for tobacco and health litigation items at beginning of period		$ 30	$ 141	$ 77	$ 132	$ 39
Payments		0		(3)	(145)	(13)
Accrued liability for tobacco and health litigation items at end of period		75	$ 132	141	75	141
Interest Expense Related To Litigation [Member]
Loss Contingency Accrual [Roll Forward]
Pre-tax charges		0		13	6	13
Tobacco and Health Judgment [Member] \| Litigation Cases Results [Member]
Loss Contingency Accrual [Roll Forward]
Pre-tax charges		0		54	5	59
Federal Engle Progeny Cases [Member] \| Litigation Cases Results [Member]
Loss Contingency Accrual [Roll Forward]
Pre-tax charges		0		0	0	43
Aspinall [Member]
Loss Contingency Accrual [Roll Forward]
Payments	$ (32)
Aspinall [Member] \| Litigation Cases Results [Member]
Loss Contingency Accrual [Roll Forward]
Pre-tax charges		0		0	32	0
Miner [Member]
Loss Contingency Accrual [Roll Forward]
Pre-tax charges		45
Miner [Member] \| Litigation Cases Results [Member]
Loss Contingency Accrual [Roll Forward]
Pre-tax charges		$ 45		$ 0	$ 45	$ 0