Contingencies (Schedule of the Reconciliation of Accrued Liability Balances for Probable Contingencies) (Details) - Jun. 30, 2015 - USD ($) $ in Millions	Total	Total
Loss Contingency Accrual [Roll Forward]
Expense	$ (6)	$ 1
Pending Litigation [Member] \| CVR Related Liability at Fair Value [Member]
Loss Contingency Accrual [Roll Forward]
Beginning Balance		265
Expense		7
Cash payments		(1)
Ending Balance	271	271
Pending Litigation [Member] \| CVR Related Liability for Probably Contingencies [Member]
Loss Contingency Accrual [Roll Forward]
Beginning Balance		29
Expense		(12)
Cash payments		(15)
Ending Balance	2	2
Pending Litigation [Member] \| Legal Matters Where Negative Outcome is Known or Probable [Member]
Loss Contingency Accrual [Roll Forward]
Beginning Balance		125
Expense		17
Cash payments		(98)
Ending Balance	$ 44	$ 44

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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Amount of payments made reducing loss contingency liability.

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

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