Income Taxes (Deferred Income Tax Assets And Liabilities) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014		Dec. 31, 2013
Deferred tax assets:
Accrued expenses not currently deductible	$ 572		$ 570
Differences related to non-U.S. operations	119	[1]	140	[1]
Net operating losses	57	[2]	79	[2]
Income currently recognized for tax	75		74
Foreign tax credit carryforwards	109		157
Other	84		90
Total, deferred tax assets	1,654		1,407
Deferred tax liabilities:
Differences related to non-U.S. operations	131		112
Depreciation and amortization	307		273
Accrued retirement & postretirement benefits - non-U.S. operations	41		89
Other	5		5
Total, deferred tax liabilities	484		479
Deferred Tax Assets Related To Non U S Operations [Member]
Deferred tax liabilities:
Valuation allowance, amount	15		12
Deferred Tax Assets Related To US Pension [Member]
Deferred tax assets:
Accrued retirement & postretirement benefits	638		297
Deferred Tax Assets Related To Net Operating Loss [Member]
Deferred tax liabilities:
Valuation allowance, amount	82		70
Current Assets [Member]
Balance sheet classifications:
Current assets	521		482
Other Noncurrent Assets [Member]
Balance sheet classifications:
Other assets	876		626
Other Current Liabilities [Member]
Balance sheet classifications:
Current liabilities	28		18
Other Noncurrent Liabilities [Member]
Balance sheet classifications:
Other liabilities	$ 199		$ 162

[1] Net of valuation allowances of $15 million in 2014 and $12 million in 2013.

[2] Net of valuation allowances of $82 million in 2014 and $70 million in 2013.