Accumulated change, net of tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 130

-Paragraph 26

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 220

-SubTopic 10

-Section 45

-Paragraph 10A

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=20435746&loc=SL7669646-108580

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 220

-SubTopic 10

-Section 45

-Paragraph 14

-URI http://asc.fasb.org/extlink&oid=20435746&loc=d3e681-108580

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 30

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=7668309&loc=d3e80784-113994

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 220

-SubTopic 10

-Section 45

-Paragraph 11

-URI http://asc.fasb.org/extlink&oid=20435746&loc=d3e637-108580

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 220

-SubTopic 10

-Section 45

-Paragraph 14A

-URI http://asc.fasb.org/extlink&oid=20435746&loc=SL7669686-108580

Equity (Details) (USD $)	1 Months Ended	12 Months Ended																			1 Months Ended		2 Months Ended	12 Months Ended
Equity (Details) (USD $)	Feb. 28, 2008	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2012 Accumulated Translation Adjustment [Member]	Dec. 31, 2011 Accumulated Translation Adjustment [Member]	Dec. 31, 2010 Accumulated Translation Adjustment [Member]	Dec. 31, 2012 Accumulated Defined Benefit Plans Adjustment [Member]	Dec. 31, 2011 Accumulated Defined Benefit Plans Adjustment [Member]	Dec. 31, 2010 Accumulated Defined Benefit Plans Adjustment [Member]	Dec. 31, 2012 Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [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, 2012 Treasury Stock [Member]	Dec. 31, 2011 Treasury Stock [Member]	Dec. 31, 2010 Treasury Stock [Member]	Dec. 31, 2012 Shares Purchased Under Programs [Member]	Dec. 31, 2012 Common Stock [Member]	Dec. 31, 2011 Common Stock [Member]	Dec. 31, 2010 Common Stock [Member]	Feb. 13, 2013 Dividend Declared [Member]	Jan. 23, 2013 Dividend Declared [Member]	Mar. 13, 2013 Dividend Declared [Member]	Dec. 31, 2012 Approvals Under Program Two [Member]	Dec. 31, 2012 Approvals Under Program One [Member]
Share Activity Rollforward
Common Stock, Beginning Balance																		673,000,000	673,000,000	673,000,000
Treasury Stock, Beginning Balance		(116,689,450)												(117,000,000)	(105,000,000)	(109,000,000)
Transactions in connection with stock-based compensation plans:
Stock issuances														6,000,000	5,000,000	5,000,000		0	0	0
Stock repurchases														(6,000,000)	(17,000,000)	(1,000,000)	(4,000,000)
Common Stock, Ending Balance																		673,000,000	673,000,000	673,000,000
Treasury Stock, Ending Balance		(121,406,520)	(116,689,450)											(121,000,000)	(117,000,000)	(105,000,000)
Income Tax Effects Related to Components of Other Comprehensive Income
Foreign currency translation adjustment, before-tax amount		$ 164,000,000	$ (122,000,000)	$ 158,000,000
Pension and other postretirement benefits:
Net actuarial loss arising during the year, before-tax amount		(228,000,000)	(285,000,000)	(40,000,000)
Prior service cost arising during the year, before-tax amount		(9,000,000)	(4,000,000)	31,000,000
(Gain) loss reclassified into income related to:
Amortization of net actuarial (gain) loss, before-tax amount		34,000,000	14,000,000	6,000,000
Amortization of prior service cost (credit), before-tax amount		(20,000,000)	(21,000,000)	(17,000,000)
Settlement, before-tax amount		12,000,000	4,000,000	4,000,000
Net gain (loss) on pension and other postretirement benefits		(211,000,000)	(292,000,000)	(16,000,000)
Derivative instruments designated and qualifying as cash flow hedges:
Net gain (loss) arising during the year, before-tax amount		45,000,000	32,000,000	(2,000,000)
Net (gain) loss reclassified into income, before-tax amount		(73,000,000)	(3,000,000)	(178,000,000)
Net gain (loss) on derivative instruments designated and qualifying as cash flow hedges		(28,000,000)	29,000,000	(180,000,000)
Other comprehensive loss before income tax benefit		(75,000,000)	(385,000,000)	(38,000,000)
Foreign currency translation adjustment, tax expense (benefit)		0	0	0
Pension and other postretirement benefits:
Net actuarial loss arising during the year, tax expense (benefit)		(79,000,000)	(100,000,000)	(6,000,000)
Prior service cost arising during year, tax expense (benefit)		(3,000,000)	(1,000,000)	11,000,000
(Gain) loss reclassified into income related to:
Amortization of net actuarial (gain) loss, tax expense (benefit)		12,000,000	4,000,000	2,000,000
Amortization of prior service cost (credit), tax expense (benefit)		(7,000,000)	(7,000,000)	(6,000,000)
Settlement, tax expense		0	1,000,000	1,000,000
Net gain (loss) on pension and other postretirement benefits, tax expense (benefit)		(77,000,000)	(103,000,000)	2,000,000
Derivative instruments designated and qualifying as cash flow hedges:
Net gain (loss) arising during the year, tax expense (benefit)		16,000,000	11,000,000	(1,000,000)
Net (gain) loss reclassified into income, tax expense (benefit)		(26,000,000)	(1,000,000)	(62,000,000)
Net gain (loss) on cash flow hedges, tax expense (benefit)		(10,000,000)	10,000,000	(63,000,000)
Other comprehensive income (loss) tax expense (benefit)		(87,000,000)	(93,000,000)	(61,000,000)
Foreign currency translation adjustment, net		164,000,000	(122,000,000)	158,000,000	164,000,000	(122,000,000)	158,000,000
Pension and other postretirement benefits:
Net actuarial loss arising during the year, net		(149,000,000)	(185,000,000)	(34,000,000)
Prior service cost arising during year, net		(6,000,000)	(3,000,000)	20,000,000
(Gain) loss reclassified into income related to:
Amortization of net actuarial (gain) loss, net		22,000,000	10,000,000	4,000,000
Amortization of prior service cost (credit), net		(13,000,000)	(14,000,000)	(11,000,000)
Settlement, net		12,000,000	3,000,000	3,000,000
Net gain (loss) on pension and other postretirement benefits, net		(134,000,000)	(189,000,000)	(18,000,000)				(134,000,000)	(189,000,000)	(18,000,000)
Derivative instruments designated and qualifying as cash flow hedges:
Net gain (loss) arising during the year, net		29,000,000	21,000,000	(1,000,000)
Net (gain) loss reclassified into income, net		(47,000,000)	(2,000,000)	(116,000,000)
Net gain (loss) on cash flow hedges, net		(18,000,000)	19,000,000	(117,000,000)							(18,000,000)	19,000,000	(117,000,000)
Other comprehensive income (loss)		12,000,000	(292,000,000)	23,000,000										0	0	0		0	0	0
Accumulated Other Comprehensive Income (Loss), Net of Tax
Beginning balance, foreign currency translation adjustment					501,000,000	623,000,000	465,000,000
Other comprehensive income (loss), foreign currency translation adjustment		164,000,000	(122,000,000)	158,000,000	164,000,000	(122,000,000)	158,000,000
Ending balance, foreign currency translation adjustment					665,000,000	501,000,000	623,000,000
Beginning balance, Pension/OPEB liability adjustment								(424,000,000)	(235,000,000)	(217,000,000)
Other comprehensive income (loss), Pension/OPEB liability adjustment		(134,000,000)	(189,000,000)	(18,000,000)				(134,000,000)	(189,000,000)	(18,000,000)
Ending balance, Pension/OPEB liability adjustment								(558,000,000)	(424,000,000)	(235,000,000)
Beginning balance, net gain (loss) on cash flow hedges											19,000,000	0	117,000,000
Net gain (loss) on cash flow hedges, net		(18,000,000)	19,000,000	(117,000,000)							(18,000,000)	19,000,000	(117,000,000)
Ending balance, net gain (loss) on cash flow hedges		1,000,000									1,000,000	19,000,000	0
Beginning balance, accumulated other comprehensive income (loss)		96,000,000	388,000,000	365,000,000
Other comprehensive income (loss)		12,000,000	(292,000,000)	23,000,000										0	0	0		0	0	0
Ending balance, accumulated other comprehensive income (loss)		108,000,000	96,000,000	388,000,000
Equity (Textual)
Preferred stock, shares authorized		20,000,000
Preferred stock, par value per share		$ 0.01
Common stock purchase program, date approved	Feb. 28, 2008
Authorized amount under stock purchase program																								3,000,000,000	6,000,000,000
Stock repurchases under buyback program		118,000,000												118,000,000				0
Remaining amount authorized under stock purchase programs		$ 3,300,000,000
Dividends payable, date declared																						Jan. 23, 2013
Dividends payable, amount per share																						$ 0.20
Dividends payable, date to be paid																							Mar. 13, 2013
Dividends payable, date of record																					Feb. 13, 2013