Income Taxes (Schedule Of Reconciliation Between U.S. Federal Statutory Income Tax Rate To Actual Effective Tax Rate) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Income Taxes [Abstract]
Statutory tax rate	35.00%	35.00%	35.00%
Difference in effective tax rate on foreign earnings and remittances	(10.00%)	(9.50%)	(11.60%)
Unrecognized tax benefit, net of reversals	1.80%	1.40%	3.20%
State and local taxes	1.50%	0.80%	2.20%
Other, net	0.30%	(1.00%)	0.50%	[1]
Effective tax rate	28.60%	26.70%	29.30%
Tax expense due to the recognition of out-of-period tax adjustments			$ 6

[1] The 2009 results include $6 million of tax expense due to the recognition of out-of-period tax adjustments arising from periods 2006 and prior.