Shareowners' Equity (Changes In Accumulated Other Comprehensive Income) (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Stockholders equity note [line items]
Adjustment To Reclass Unrealized Gains To Offset Deferred Acquisition Costs And Present Value Of Future Profits	$ 960,000,000	$ (1,171,000,000)	$ 527,000,000
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Accumulated Other Comprehensive Income (Loss) Beginning balance	(9,120,000,000)	(20,230,000,000)	(23,974,000,000)
Other comprehensive income (OCI) before reclassifications - net of deferred taxes	(12,087,000,000)	8,844,000,000	841,000,000
Reclassification from OCI, tax	(3,035,000,000)	(2,266,000,000)	(2,903,000,000)
Other comprehensive income, net of tax	(9,066,000,000)	11,085,000,000	3,757,000,000
Less Other comprehensive income (loss) attributable to noncontrolling interests	(14,000,000)	(25,000,000)	13,000,000
Accumulated Other Comprehensive Income (Loss) Ending balance	(18,172,000,000)	(9,120,000,000)	(20,230,000,000)
Investment Securities
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Accumulated Other Comprehensive Income (Loss) Beginning balance	307,000,000	677,000,000	(30,000,000)
OCI before reclassification tax	353,000,000	(407,000,000)	387,000,000
Other comprehensive income (OCI) before reclassifications - net of deferred taxes	562,000,000	(692,000,000)	683,000,000
Reclassification from OCI, tax	(84,000,000)	(222,000,000)	(13,000,000)
Reclassification from OCI net of deferred taxes	(146,000,000)	(318,000,000)	(22,000,000)
Other comprehensive income, net of tax	708,000,000	(374,000,000)	705,000,000
Less Other comprehensive income (loss) attributable to noncontrolling interests	2,000,000	(4,000,000)	(2,000,000)
Accumulated Other Comprehensive Income (Loss) Ending balance	1,013,000,000	307,000,000	677,000,000
Currency Translation Adjustment
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Accumulated Other Comprehensive Income (Loss) Beginning balance			133,000,000
Accumulated Other Comprehensive Income (Loss) beg bal - adj	283,000,000
OCI before reclassification tax	(129,000,000)	(613,000,000)	(266,000,000)
Other comprehensive income (OCI) before reclassifications - net of deferred taxes	(2,600,000,000)	510,000,000	474,000,000
Reclassification from OCI, tax	(213,000,000)	(793,000,000)	(54,000,000)
Reclassification from OCI net of deferred taxes	129,000,000	818,000,000	174,000,000
Other comprehensive income, net of tax	(2,729,000,000)	(308,000,000)	300,000,000
Less Other comprehensive income (loss) attributable to noncontrolling interests	(19,000,000)	(22,000,000)	21,000,000
Accumulated Other Comprehensive Income (Loss) Ending balance	(2,427,000,000)
Cash Flow Hedge
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Accumulated Other Comprehensive Income (Loss) Beginning balance			(1,176,000,000)
Accumulated Other Comprehensive Income (Loss) beg bal - adj	(414,000,000)
OCI before reclassification tax	23,000,000	250,000,000	392,000,000
Other comprehensive income (OCI) before reclassifications - net of deferred taxes	(610,000,000)	738,000,000	385,000,000
Reclassification from OCI, tax	(34,000,000)	177,000,000	245,000,000
Reclassification from OCI net of deferred taxes	(844,000,000)	271,000,000	(68,000,000)
Other comprehensive income, net of tax	234,000,000	467,000,000	453,000,000
Less Other comprehensive income (loss) attributable to noncontrolling interests	0	2,000,000	(1,000,000)
Accumulated Other Comprehensive Income (Loss) Ending balance	(180,000,000)
Pension Plan, Defined Benefit
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Accumulated Other Comprehensive Income (Loss) Beginning balance	(22,901,000,000)	(20,597,000,000)	(22,901,000,000)
Other comprehensive income, net of tax	(7,279,000,000)	11,300,000,000	2,299,000,000
Less Other comprehensive income (loss) attributable to noncontrolling interests	3,000,000	(1,000,000)	(5,000,000)
Prior Service credit (cost)- net of deferred taxes	(396,000,000)	6,000,000	(534,000,000)
Net actuarial gain (loss), Tax	(5,332,000,000)	4,506,000,000	(574,000,000)
Net actuarial gain (loss) - net of deferred taxes	(9,849,000,000)	8,269,000,000	(1,396,000,000)
Prior service credit (costs), tax	219,000,000	(5,000,000)	304,000,000
Net curtailment/settlement, tax	41,000,000	0	123,000,000
Net curtailment/settlement - net of deferred taxes	72,000,000	0	174,000,000
Prior service cost amortization, tax	241,000,000	267,000,000	326,000,000
Prior service cost amortization - net of deferred taxes	349,000,000	397,000,000	497,000,000
Net actuarial loss amortization, tax	859,000,000	1,343,000,000	1,278,000,000
Net actuarial loss amortization - net of deferred taxes	1,753,000,000	2,640,000,000	2,490,000,000
Accumulated Other Comprehensive Income (Loss) Ending balance	$ (16,578,000,000)	$ (22,901,000,000)	$ (20,597,000,000)