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Equity (Details) (USD $) | 1 Months Ended | 12 Months Ended | 1 Months Ended | 2 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
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 |  |  |  |

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- Definition 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. + References 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 + Details
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- Definition The total of net gain (loss), prior service cost (credit), and transition assets (obligations), as well as minimum pension liability if still remaining, included in accumulated other comprehensive income associated with a defined benefit pension or other postretirement plan(s) because they have yet to be recognized as components of net periodic benefit cost. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 158 -Paragraph 7 -Subparagraph c -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 11 -URI http://asc.fasb.org/extlink&oid=20435746&loc=d3e637-108580 Reference 3: 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 Reference 4: 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 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 5 -Subparagraph i -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 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (j-k) -URI http://asc.fasb.org/extlink&oid=20435746&loc=SL7669646-108580 Reference 8: 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. + Details
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