Shareowners' Equity (Changes In Accumulated Other Comprehensive Income) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended
Dec. 31, 2014	Sep. 30, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Beginning balance			$ (1,034)		$ (2,096)
Reclassification from OCI Tax			720	(527)	(156)
Other comprehensive income, net of tax	0	0	442	(104)	1,168
Other comprehensive income (OCI) before reclassifications - net of deferred taxes			(263)	433	1,312
Less: Other comprehensive income (loss) attributable to noncontrolling interests			(15)	(10)	12
Accumulated Other Comprehensive Income (Loss) Ending balance	(577)		(577)	(1,034)
Adjustment To Reclass Unrealized Gains To Offset Deferred Acquisition Costs And Present Value Of Future Profits			960	(1,171)	527
Securities Investment [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Beginning balance					(33)
OCI before reclassification tax			415	(386)	386
Reclassification from OCI Tax			8	215	12
Reclassification from OCI net of deferred taxes			7	306	22
Other comprehensive income, net of tax			703	(369)	707
Other comprehensive income (OCI) before reclassifications - net of deferred taxes			696	(675)	685
Less: Other comprehensive income (loss) attributable to noncontrolling interests			2	(5)	1
Accumulated Other Comprehensive Income (Loss) Ending balance	1,010		1,010
Currency Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Beginning balance				(131)	(399)
OCI before reclassification tax			(145)	(655)	(261)
Reclassification from OCI Tax			213	791	55
Reclassification from OCI net of deferred taxes			(162)	(810)	(131)
Other comprehensive income, net of tax			(325)	(563)	280
Other comprehensive income (OCI) before reclassifications - net of deferred taxes			(163)	247	411
Less: Other comprehensive income (loss) attributable to noncontrolling interests			(17)	(7)	12
Accumulated Other Comprehensive Income (Loss) Ending balance	(838)		(838)		(131)
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
OCI before reclassification tax			3	235	378
Reclassification from OCI Tax			35	(158)	(250)
Reclassification from OCI net of deferred taxes			851	(66)	(80)
Other comprehensive income, net of tax			278	455	354
Other comprehensive income (OCI) before reclassifications - net of deferred taxes			(573)	521	434
Less: Other comprehensive income (loss) attributable to noncontrolling interests			0	2	(1)
Accumulated Other Comprehensive Income (Loss) Ending balance	(172)		(172)
Pension Plan, Defined Benefit [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Beginning balance			(363)	(736)	(563)
Accumulated Other Comprehensive Income (Loss) beg bal - adj				(363)	(736)
Prior service credit (cost) - deferred tax			0	4	0
Prior service cost - net of deferred taxes			0	24	0
Net actuarial gain loss - deferred tax			(101)	156	(86)
Net acturial gain (loss) net of deferred taxes			(238)	306	(206)
Net actuarial loss amortization - deferred tax			7	16	10
Net actuarial loss amortization net of tax			22	43	33
Prior service cost amortization - deferred tax			0	0	0
Prior service cost amortization - net of deferred taxes			2	0	0
Accumulated Other Comprehensive Income (Loss) Ending balance	$ (577)		$ (577)	$ (363)	$ (736)

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The adjustment to deferred acquisition costs, prsent value of future procits, and investment contracts, insurance liablities and insurance annuity benefits in the company's run-off insurance operation to reflect the effest that would have been recognized had the related unrealized investment securities holding gains and losses actually been realized in accordance with ASC 320-10-S99-2.

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Deferred tax amount related to other comprehensive income prior to reclassification

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Tax effect of amortization of net actuarial gain (loss) related to other comprehensive income

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Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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Amount after tax of cost (credit) of benefit changes attributable to plan participants' prior service resulting from a plan amendment or plan initiation that has not been recognized in net periodic benefit cost (credit).

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Amount after tax of (increase) decrease in the value of the projected benefit obligation related to a change in an actuarial assumption and increase (decrease) in the value of the plan assets resulting from experience different from that assumed, that has not been recognized in net periodic benefit (cost) credit.

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Amount of tax expense (benefit) related to (increase) decrease in the value of the projected benefit obligation related to a change in an actuarial assumption and increase (decrease) in the value of the plan assets resulting from experience different from that assumed, that has not been recognized in net periodic benefit (cost) credit.

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Amount after tax of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) related to pension and other postretirement benefit plans.

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Amount after tax, before reclassification adjustments of other comprehensive income (loss).

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Amount after tax and reclassification adjustments of other comprehensive income (loss).

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Amount after tax of other comprehensive income (loss) attributable to noncontrolling interests.

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Amount of tax (expense) benefit related to cost (credit) of benefit changes attributable to plan participants' prior service resulting from a plan amendment or plan initiation that has not been recognized in net periodic benefit cost (credit).

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Amount after tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.

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Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.

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