Income Taxes (Details) (USD $)	3 Months Ended		12 Months Ended
	Dec. 31, 2010		Dec. 31, 2011		Dec. 31, 2010		Dec. 31, 2009	Dec. 31, 2008
Income Taxes (Textuals) [Abstract]
Income Tax Effects Allocated Directly to Equity, Other					$ 9,000,000		$ 100,000,000
Income Tax Reconciliation, Other Adjustments			36,000,000		33,000,000		42,000,000
Income Tax Reconciliation, Tax Settlements, Foreign	(20,000,000)		24,000,000				(19,000,000)
Deferred Tax Assets, Operating Loss Carryforwards, Foreign			377,000,000
Deferred Tax Assets, Operating Loss Carryforwards, Domestic			470,000,000
Deferred Tax Assets, Operating Loss Carryforwards, State and Local			103,000,000
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration			251,000,000
Deferred Tax Assets, Tax Credit Carryforwards, Foreign			227,000,000
Deferred Tax Assets, Tax Credit Carryforwards, Research			30,000,000
Deferred Tax Assets Unrealized Stock Options			38,000,000
Accrued Interest			24,000,000
Unrecognized Tax Benefit That Require Use Of Cash			23,000,000
Tax expense, that would have a favorable impact of Unrecognized tax benefits			84,000,000
Unrecognized Tax Benefit Income Tax Penalties That Require Use Of Cash			24,000,000
Undistributed Foreign Earnings			3,000,000,000
Income Taxes Paid, Net			212,000,000		167,000,000		97,000,000
Income before income taxes			618,000,000		8,000,000		(357,000,000)
Income Tax Expense (Benefit), Continuing Operations, Income Tax Reconciliation [Abstract]
U.S. Federal income tax expense (benefit) at the statutory rate of 35%			216,000,000		3,000,000		(125,000,000)
Adjustments for foreign income taxed at different rates			(28,000,000)		4,000,000		(1,000,000)
U.S. loss with no tax benefit			41,000,000		178,000,000		123,000,000
Net foreign operating losses with no tax due to valuation allowances			5,000,000		18,000,000		51,000,000
Net (release) establishment of valuation allowances			(59,000,000)		(1,000,000)		(22,000,000)
(Resolution) establishment of uncertain tax positions			24,000,000		(15,000,000)		(18,000,000)
Deferred tax impact of enacted tax rate and law changes			0		16,000,000		2,000,000
Other			2,000,000		1,000,000		1,000,000
United States and Foreign Taxes (Note 6)			201,000,000		172,000,000		7,000,000
Income Tax Expense (Benefit) [Abstract]
Current Federal			0		(15,000,000)		(8,000,000)
Current Foreign			253,000,000		180,000,000		144,000,000
Current State			3,000,000		1,000,000		(3,000,000)
Current Income Tax Expense (Benefit)			256,000,000		166,000,000		133,000,000
Deferred Federal			2,000,000		(7,000,000)		(96,000,000)
Deferred Foreign			(56,000,000)		12,000,000		(31,000,000)
Deferred State			(1,000,000)		1,000,000		1,000,000
Deferred Income Tax Expense (Benefit)			(55,000,000)		6,000,000		(126,000,000)
Postretirement benefits and pensions	1,044,000,000		1,237,000,000		1,044,000,000
Tax loss carryforwards and credits	1,151,000,000		949,000,000		1,151,000,000
Capitalized expenditures	501,000,000		544,000,000		501,000,000
Accrued expenses deductible as paid	496,000,000		595,000,000		496,000,000
Alternative minimum tax credit carryforwards	100,000,000	[1]	99,000,000	[1]	100,000,000	[1]
Vacation and sick pay	42,000,000		41,000,000		42,000,000
Rationalizations and other provisions	72,000,000		54,000,000		72,000,000
Other	95,000,000		61,000,000		95,000,000
Total gross deferred tax assets	3,501,000,000		3,580,000,000		3,501,000,000
Valuation allowance	(3,113,000,000)		(3,132,000,000)		(3,113,000,000)
Total deferred tax assets	388,000,000		448,000,000		388,000,000
Tax on undistributed subsidiary earnings	(17,000,000)		(15,000,000)		(17,000,000)
Property basis differences	(383,000,000)		(350,000,000)		(383,000,000)
Total net deferred tax liabilities	(12,000,000)		83,000,000		(12,000,000)
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Unrecognized tax benefits	87,000,000		90,000,000		87,000,000		112,000,000	143,000,000
Increases related to prior year tax positions			17,000,000		32,000,000		15,000,000
Decreases related to prior year tax positions			0		(3,000,000)		(14,000,000)
Increases related to current year tax positions			3,000,000		0		4,000,000
Settlements			(9,000,000)		(51,000,000)		(47,000,000)
Lapse of statute of limitations			(1,000,000)		(4,000,000)		(2,000,000)
Foreign currency impact			(7,000,000)		1,000,000		13,000,000
UNITED STATES
Income Taxes (Textuals) [Abstract]
Income before income taxes			(111,000,000)		(529,000,000)		(631,000,000)
Foreign Country [Member]
Income Taxes (Textuals) [Abstract]
Income before income taxes			729,000,000		537,000,000		274,000,000
Certain European Countries [Member]
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Increases related to prior year tax positions			11,000,000
Decreases related to prior year tax positions					48,000,000
Resolution Between United States And Canada [Member]
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Decreases related to prior year tax positions							38,000,000
Canada [Member]
Income Tax Expense (Benefit), Continuing Operations, Income Tax Reconciliation [Abstract]
Net (release) establishment of valuation allowances			(64,000,000)
Australia [Member]
Income Tax Expense (Benefit), Continuing Operations, Income Tax Reconciliation [Abstract]
Net (release) establishment of valuation allowances							(29,000,000)
International [Member]
Income Tax Expense (Benefit) [Abstract]
Valuation allowance			$ (450,000,000)

[1] Primarily unlimited carryforward period.