Other Comprehensive Income (Loss) (Schedule Of Components Of Comprehensive Income (Loss)) (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Equity [Abstract]
Foreign currency translation adjustments, Pre-Tax		$ (278)	$ (421)	$ (458)	$ (214)
Foreign currency translation adjustments, Tax		(2)	(2)	(2)	(10)
Foreign currency translation adjustments, Net of Tax		(276)	(419)	(456)	(204)
Unrealized investment gains (losses), Pre-Tax		1	0	1	0
Unrealized investment gains (losses), Tax		0	0	0	0
Unrealized investment gains (losses), Net of Tax		1	0	1	0
Pension/post-retirement plans:
Prior services losses (gains), Pre-Tax	[1]	1	(3)	1	(8)
Prior service losses (gains), Tax	[1]	0	(1)	0	(3)
Prior Service losses (gains), Net of Tax	[1]	1	(2)	1	(5)
Net actuarial loss, Pre-Tax	[1]	67	57	220	157
Net actuarial loss, Tax	[1]	23	18	74	48
Net actuarial loss, Net of Tax	[1]	44	39	146	109
Subtotal, Pre-Tax		68	54	221	149
Subtotal, Tax		23	17	74	45
Subtotal, Net of Tax		45	37	147	104
Effect of remeasurement, Pre-tax		(89)	(1)	(92)	(167)
Effect of remeasurement, Tax		(30)	(1)	(31)	(34)
Effect of remeasurement, Net of Tax		(59)	0	(61)	(133)
Effect of curtailment, Pre-Tax		4	0	4	(65)
Effect of curtailment, Tax		0	0	0	(13)
Effect of curtailment, Net of Tax		4	0	4	(52)
Effect of settlement, Pre-tax		1	0	2	0
Effect of settlement, Tax		0	0	0	0
Effect of settlement, Net of Tax		1	0	2	0
Plan Termination, Pre-Tax				(6)	0
Plan Termination, Tax				(2)	0
Plan Termination, Net of Tax				(4)	0
Foreign currency translation adjustment, Pre-Tax		105	119	113	11
Foreign currency translation adjustment, Tax		24	25	25	3
Foreign currency translation adjustment, Net of Tax		81	94	88	8
Other, Pre-Tax		5	0	5	3
Other, Tax		1	0	1	0
Other, Net of Tax		4	0	4	3
Pension/post-retirement plans losses (gains), Pre-Tax		94	172	247	(69)
Pension/post-retirement plans losses (gains), Tax		18	41	67	1
Pension/post-retirement plans losses (gains), Net of Tax		76	131	180	(70)
Other comprehensive (loss) income, before tax		(183)	(249)	(210)	(283)
Other comprehensive income (loss), Tax		16	39	65	(9)
Other comprehensive (loss) income, net of tax		$ (199)	$ (288)	$ (275)	$ (274)

[1] Components of net periodic pension cost are included in compensation and benefits in the Consolidated Statements of Income. Tax on prior service gains and net actuarial losses is included in income tax expense.