Other Comprehensive Income (Loss) (Schedule Of Components Of Other Comprehensive Income (Loss)) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Equity [Abstract]
Foreign currency translation adjustments, Pre-Tax	$ (86)	$ 177	$ (100)
Foreign currency translation adjustments, Tax Expense	(2)	(5)	4
Foreign currency translation adjustments, Net of Tax	(84)	182	(104)
Unrealized investment loss, Pre-Tax	1	(1)	(9)
Unrealized investment holding losses, net of income tax (credit) expense	0	1	(4)
Unrealized investment holding gains (losses),Net of Tax	1	(2)	(5)
Pension/post-retirement plans:
Prior service gains. Pre-Tax	(22)	(31)	(32)
Prior service cost, Tax Expense	(8)	(12)	(13)
Prior service cost, Net of Tax	(14)	(19)	(19)
Net actuarial losses, Pre-Tax	317	270	213
Net actuarial losses, Tax Expense	108	90	68
Net actuarial losses, Net of Tax	209	180	145
Subtotal, Pre-Tax	295	239	181
Subtotal, Tax Expense	100	78	55
Subtotal, Net of Tax	195	161	126
Net gain (loss) arising during period, Pre-Tax	898	(648)	(1,289)
Net gain (loss) arising during period, Tax Expense	339	(217)	(388)
Net gain (loss) arising during period, Net of Tax	559	(431)	(901)
Foreign currency translation adjustments, Pre-Tax	27	(113)	(14)
Foreign currency translation adjustments, Tax Expense	8	(26)	(3)
Foreign currency translation adjustments, Net of Tax	19	(87)	(11)
Other adjustments. Pre-Tax	(7)	75	8
Other adjustments, Tax Expense	(3)	17	1
Other adjustments, Net of Tax	(4)	58	7
Pension/post-retirement plans gains (losses), Pre-Tax	1,213	(447)	(1,114)
Pension/post-retirement plans gains (losses), Tax Expense	444	(148)	(335)
Pension/post-retirement plans gains (losses), Net of Tax	769	(299)	(779)
Other comprehensive income (loss), before tax	1,128	(271)	(1,223)
Other comprehensive income (loss), Tax	442	(152)	(335)
Other comprehensive income (loss), net of tax	$ 686	$ (119)	$ (888)