Reorganization Of Businesses (Reorganization Of Businesses Accruals) (Details) (USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Restructuring Reserve [Roll Forward]
Accruals at beginning of year	$ 109,000,000us-gaap_RestructuringReserve	$ 35,000,000us-gaap_RestructuringReserve	$ 44,000,000us-gaap_RestructuringReserve
Additional Charges	100,000,000us-gaap_RestructuringCharges	149,000,000us-gaap_RestructuringCharges	54,000,000us-gaap_RestructuringCharges
Adjustments	(4,000,000)	(16,000,000)	(8,000,000)
Amount Used	(148,000,000)us-gaap_PaymentsForRestructuring	(59,000,000)us-gaap_PaymentsForRestructuring	(55,000,000)us-gaap_PaymentsForRestructuring
Accruals at end of year	57,000,000us-gaap_RestructuringReserve	109,000,000us-gaap_RestructuringReserve	35,000,000us-gaap_RestructuringReserve
Exit Costs
Restructuring Reserve [Roll Forward]
Accruals at beginning of year	6,000,000	4,000,000	14,000,000
Additional Charges	7,000,000	3,000,000	0
Adjustments	0	0	1,000,000
Amount Used	(13,000,000)	(1,000,000)	(11,000,000)
Accruals at end of year	0	6,000,000	4,000,000
Employee Separation Costs
Restructuring Reserve [Roll Forward]
Accruals at beginning of year	103,000,000	31,000,000	30,000,000
Additional Charges	93,000,000	146,000,000	54,000,000
Adjustments	(4,000,000)	(16,000,000)	(9,000,000)
Amount Used	(135,000,000)	(58,000,000)	(44,000,000)
Accruals at end of year	$ 57,000,000	$ 103,000,000	$ 31,000,000

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 420

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Amount of any reversal and other adjustment made during the period to the amount of a previously accrued liability for a specified type of restructuring cost, excluding adjustments for costs incurred during the period, costs settled during the period, and foreign currency translation adjustments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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