Income Taxes (Significant Components Of Deferred Tax Liabilities And Assets) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Deferred tax liabilities
Property, plant, and equipment	$ 1,631	$ 1,286
Equity in earnings of affiliates	394	323
Debt exchange	135	123
Inventories	57	132
Other	192	119
Deferred Tax Liabilities, Gross	2,409	1,983
Deferred tax assets
Pension and postretirement benefits	460	267
Stock compensation	55	60
Foreign tax credit carryforwards	76	26
Foreign tax loss carryforwards	305	329
Capital loss carryforwards	21	24
State tax attributes	70	74
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Reserves	43
Other	271	205
Gross deferred tax assets	1,301	985
Valuation allowances	(347)	(329)
Net deferred tax assets	954	656
Deferred Tax Liabilities, Net, Classification [Abstract]
Noncurrent Liabilities	(1,662)	(1,448)
Net deferred tax liabilities	(1,455)	(1,327)
Domestic Tax Authority [Member]
Deferred tax assets
Valuation allowances		(41)
Deferred Tax Liabilities, Net, Classification [Abstract]
Current assets	17	0
Current liabilities	0	(8)
Noncurrent Liabilities	(1,316)	(1,404)
Foreign [Member]
Deferred Tax Liabilities, Net, Classification [Abstract]
Current assets	137	17
Noncurrent assets	86	134
Current liabilities	(33)	(22)
Noncurrent Liabilities	$ (346)	$ (44)