Other Comprehensive Income (Loss) (Schedule Of Components Of Comprehensive Income (Loss)) (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Equity [Abstract]
Foreign currency translation adjustments, Pre-Tax		$ (334)	$ 246	$ (321)	$ (180)
Foreign currency translation adjustments, Tax		(1)	3	(1)	0
Foreign currency translation adjustments, Net of Tax		(333)	243	(320)	(180)
Pension/post-retirement plans:
Prior services losses (gains), Pre-Tax	[1]			1	0
Prior service losses (gains), Tax	[1]			0	0
Prior Service losses (gains), Net of Tax	[1]			1	0
Net actuarial loss, Pre-Tax	[1]	43	76	84	153
Net actuarial loss, Tax	[1]	12	26	24	51
Net actuarial loss, Net of Tax	[1]	31	50	60	102
Subtotal, Pre-Tax		43	76	85	153
Subtotal, Tax		12	26	24	51
Subtotal, Net of Tax		31	50	61	102
Effect of remeasurement, Pre-tax		0	1	(1)	(3)
Effect of remeasurement, Tax		0	0	0	(1)
Effect of remeasurement, Net of Tax		0	1	(1)	(2)
Effect of curtailment, Pre-Tax		3	0	3	0
Effect of curtailment, Tax		1	0	1	0
Effect of curtailment, Net of Tax		2	0	2	0
Effect of settlement, Pre-tax		0	1	1	1
Effect of settlement, Tax		0	0	0	0
Effect of settlement, Net of Tax		0	1	1	1
Plan Termination, Pre-Tax				0	(6)
Plan Termination, Tax				0	(2)
Plan Termination, Net of Tax				0	(4)
Foreign currency translation adjustment, Pre-Tax		116	(161)	213	8
Foreign currency translation adjustment, Tax		21	(33)	37	1
Foreign currency translation adjustment, Net of Tax		95	(128)	176	7
Other, Pre-Tax		1	0
Other, Tax		0	0
Other, Net of Tax		1	0
Pension/post-retirement plans losses (gains), Pre-Tax		163	(83)	301	153
Pension/post-retirement plans losses (gains), Tax		34	(7)	62	49
Pension/post-retirement plans losses (gains), Net of Tax		129	(76)	239	104
Other comprehensive (loss) income, before tax		(171)	163	(20)	(27)
Other comprehensive income (loss), Tax		33	(4)	61	49
Other comprehensive (loss) income, net of tax		$ (204)	$ 167	$ (81)	$ (76)

[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.