Equity (Details) (USD $)	1 Months Ended	12 Months Ended																												1 Months Ended		2 Months Ended	12 Months Ended
	Jun. 30, 2009	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2011 Accumulated Translation Adjustment [Member]	Dec. 31, 2010 Accumulated Translation Adjustment [Member]	Dec. 31, 2009 Accumulated Translation Adjustment [Member]	Dec. 31, 2011 Accumulated Defined Benefit Plans Adjustment [Member]	Dec. 31, 2010 Accumulated Defined Benefit Plans Adjustment [Member]	Dec. 31, 2009 Accumulated Defined Benefit Plans Adjustment [Member]	Dec. 31, 2011 Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]	Dec. 31, 2010 Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]	Dec. 31, 2009 Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]	Dec. 31, 2011 Common Stock [Member]	Dec. 31, 2010 Common Stock [Member]	Dec. 31, 2009 Common Stock [Member]	Dec. 31, 2011 Additional Paid-in Capital [Member]	Dec. 31, 2010 Additional Paid-in Capital [Member]	Dec. 31, 2009 Additional Paid-in Capital [Member]	Dec. 31, 2011 Treasury Stock [Member]	Dec. 31, 2010 Treasury Stock [Member]	Dec. 31, 2009 Treasury Stock [Member]	Dec. 31, 2011 Shares Purchased Under Programs [Member]	Dec. 31, 2011 Retained Earnings [Member]	Dec. 31, 2010 Retained Earnings [Member]	Dec. 31, 2009 Retained Earnings [Member]	Dec. 31, 2011 Accumulated Other Comprehensive Income (Loss) [Member]	Dec. 31, 2010 Accumulated Other Comprehensive Income (Loss) [Member]	Dec. 31, 2009 Accumulated Other Comprehensive Income (Loss) [Member]	Feb. 15, 2012 Dividend Declared [Member]	Jan. 24, 2012 Dividend Declared [Member]	Mar. 14, 2012 Dividend Declared [Member]	Dec. 31, 2011 Approvals Under Program Two [Member]	Dec. 31, 2011 Approvals Under Program One [Member]
Share Activity Rollforward
Common Stock, Shares, Beginning Balance														673,000,000	673,000,000	627,000,000
Treasury Stock, Shares, Beginning Balance		(105,113,545)																		(105,000,000)	(109,000,000)	(111,000,000)
Sale of common stock	46,000,000															46,000,000
Stock issuances, stock-based compensation																				5,000,000	5,000,000	2,000,000
Shares repurchases, stock-based compensation																				(17,000,000)	(1,000,000)
Common Stock, Shares, Ending Balance														673,000,000	673,000,000	673,000,000
Treasury Stock, Shares, Ending Balance		(116,689,450)	(105,113,545)																	(117,000,000)	(105,000,000)	(109,000,000)
Accumulated Other Comprehensive Income (Loss), Net of Tax
Foreign Currency Translation Adjustment, Beginning Balance					$ 623,000,000	$ 465,000,000	$ 90,000,000
Pension/OPEB Liability Adjustment, Beginning Balance								(235,000,000)	(217,000,000)	(435,000,000)
Net Gain (Loss) On Cash Flow Hedges, Beginning Balance											0	117,000,000	169,000,000
Accumulated Other Comprehensive Income (Loss), Beginning Balance		388,000,000	365,000,000	(176,000,000)
Foreign currency translation adjustment		(122,000,000)	158,000,000	375,000,000	(122,000,000)	158,000,000	375,000,000
Pension/OPEB Liability Adjustment		(189,000,000)	(18,000,000)	218,000,000				(189,000,000)	(18,000,000)	218,000,000
Net Gain (Loss) On Cash Flow Hedges		19,000,000	(117,000,000)	(52,000,000)							19,000,000	(117,000,000)	(52,000,000)
Other comprehensive income (loss)		(292,000,000)	23,000,000	541,000,000										0	0	0	0	0	0	0	0	0		0	0	0	(292,000,000)	23,000,000	541,000,000
Foreign Currency Translation Adjustment, Ending Balance					501,000,000	623,000,000	465,000,000
Pension/OPEB Liability Adjustment, Ending Balance								(424,000,000)	(235,000,000)	(217,000,000)
Net Gain (Loss) On Cash Flow Hedges, Ending Balance		19,000,000									19,000,000	0	117,000,000
Accumulated Other Comprehensive Income (Loss), Ending Balance		96,000,000	388,000,000	365,000,000
Equity (Textual)
Common stock sold in a public offering, over allotment option exercised by underwriters	6,000,000
Sales price per share of common stock sold	$ 18
Proceeds, net of underwriting discounts and commissions and other issuance costs		0	0	799,000,000
Preferred stock, shares authorized		20,000,000
Preferred stock, par value per share		$ 0.01
Preferred stock, outstanding shares		0	0
Authorized amount under stock purchase program																																	3,000,000,000	6,000,000,000
Treasury Stock, Value, Acquired, Cost Method		359,000,000	13,000,000	4,000,000										0	0	0	10,000,000	0	0	349,000,000	13,000,000	4,000,000	0	0	0	0	0	0	0
Purchases of common stock under additional common stock purchase program																				(17,000,000)	(1,000,000)
Remaining amount authorized under stock purchase programs		$ 3,500,000,000
Dividends payable, date declared																															Jan. 24, 2012
Dividends payable, amount per share																															$ 0.15
Dividends payable, date to be paid																																Mar. 14, 2012
Dividends payable, date of record																														Feb. 15, 2012