| Defined Benefit Plans [Domain] |
Pension Plans, Defined Benefit [Member] | Other Postretirement Benefit Plans, Defined Benefit [Member] |
United States Pension Plans, Qualified and Non-qualified, Defined Benefit [Member] | Foreign Pension Plans, Qualified and Non-qualified Defined Benefit [Member] | United States Postretirement Benefit Plans of US Entity, Defined Benefit [Member] |
2007 | 2006 | 2005 | 2007 | 2006 | 2005 | 2007 | 2006 | 2005 |
Defined Benefit Plan Disclosure [Line Items] | | | | | | | | | |
| Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] | | | | | | | | | |
| Defined Benefit Plan, Business Combinations and Acquisitions, Benefit Obligation | | | | 3,000,000 | 22,000,000 | | | | |
Defined Benefit Plan, Service Cost | 192,000,000 | 196,000,000 | 177,000,000 | 125,000,000 | 124,000,000 | 102,000,000 | 57,000,000 | 58,000,000 | 53,000,000 |
Defined Benefit Plan, Interest Cost | 568,000,000 | 539,000,000 | 502,000,000 | 228,000,000 | 183,000,000 | 177,000,000 | 104,000,000 | 104,000,000 | 101,000,000 |
Defined Benefit Plan, Contributions by Plan Participants | | | | 4,000,000 | 4,000,000 | | 47,000,000 | 41,000,000 | |
Defined Benefit Plan, Plan Amendments | 18,000,000 | 2,000,000 | | 17,000,000 | (1,000,000) | | (98,000,000) | (157,000,000) | |
Defined Benefit Plan, Actuarial Net (Gains) Losses | 154,000,000 | 142,000,000 | | 114,000,000 | (26,000,000) | | 16,000,000 | (35,000,000) | |
Defined Benefit Plan, Foreign Currency Exchange Rate Changes, Benefit Obligation | | | | 337,000,000 | 365,000,000 | | 14,000,000 | | |
Defined Benefit Plan, Benefits Paid | 565,000,000 | 530,000,000 | | 175,000,000 | 146,000,000 | | 159,000,000 | 168,000,000 | |
Defined Benefit Plan, Gross Prescription Drug Subsidy Receipts Received | | | | | | | 10,000,000 | 10,000,000 | |
Defined Benefit Plan, Settlements, Curtailments, Special Termination Benefits, and Other | 7,000,000 | 32,000,000 | | (19,000,000) | (11,000,000) | | 9,000,000 | | |
Defined Benefit Plan, Benefit Obligation | 10,215,000,000 | 10,149,000,000 | 10,052,000,000 | 4,856,000,000 | 4,450,000,000 | 3,884,000,000 | 1,809,000,000 | 1,841,000,000 | 1,918,000,000 |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] | | | | | | | | | |
| Defined Benefit Plan, Business Combinations and Acquisitions, Plan Assets | | | | 1,000,000 | 21,000,000 | | | | |
Defined Benefit Plan, Actual Return on Plan Assets | 1,376,000,000 | 1,072,000,000 | | 188,000,000 | 325,000,000 | | 127,000,000 | 188,000,000 | |
Defined Benefit Plan, Contributions by Employer | 225,000,000 | 233,000,000 | | 151,000,000 | 115,000,000 | | 3,000,000 | 37,000,000 | |
Defined Benefit Plan, Contributions by Plan Participants | | | | 4,000,000 | 4,000,000 | | 47,000,000 | 41,000,000 | |
Defined Benefit Plan, Foreign Currency Exchange Rate Changes, Plan Assets | | | | 300,000 | 316,000,000 | | | | |
Defined Benefit Plan, Benefits Paid | 565,000,000 | 530,000,000 | | 175,000,000 | 146,000,000 | | 159,000,000 | 168,000,000 | |
Defined Benefit Plan, Settlements, Curtailments, Special Termination Benefits, and Other, Plan Assets | | | | (15,000,000) | (5,000,000) | | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 11,096,000,000 | 10,060,000,000 | 9,285,000,000 | 4,424,000,000 | 3,970,000,000 | 3,340,000,000 | 1,355,000,000 | 1,337,000,000 | 1,239,000,000 |
Defined Benefit Plan, before Adoption of SFAS 158 Recognition Provisions, Net Amount Recognized [Abstract] | | | | | | | | | |
| Defined Benefit Plan, Funded Status of Plan [Abstract] | | | | | | | | | |
| Defined Benefit Plan, Funded Status of Plan | 881,000,000 | (89,000,000) | | (432,000,000) | (480,000,000) | | (454,000,000) | (504,000,000) | |
Defined Benefit Plan, Amounts Recognized in Balance Sheet [Abstract] | | | | | | | | | |
| Defined Benefit Plan, Noncurrent Assets for Plan Benefits | 1,246,000,000 | 269,000,000 | | 132,000,000 | 126,000,000 | | | | |
Pension and Other Postretirement Defined Benefit Plans, Current Liabilities | 27,000,000 | 26,000,000 | | 6,000,000 | 5,000,000 | | 2,000,000 | | |
Pension and Other Postretirement Defined Benefit Plans, Noncurrent Liabilities | 338,000,000 | 332,000,000 | | 558,000,000 | 601,000,000 | | 452,000,000 | 504,000,000 | |
Defined Benefit Plan, Amounts Recognized in Balance Sheet | 881,000,000 | (89,000,000) | | (432,000,000) | (480,000,000) | | (454,000,000) | (504,000,000) | |
Defined Benefit Plan, Accumulated Other Comprehensive Income, before Tax [Abstract] | | | | | | | | | |
| Defined Benefit Plan, Accumulated Other Comprehensive Income, Net Gains (Losses), before Tax | (1,210,000,000) | (2,027,000,000) | | (884,000,000) | (899,000,000) | | (768,000,000) | (874,000,000) | |
Defined Benefit Plan, Accumulated Other Comprehensive Income, Net Prior Service Cost (Credit), before Tax | 68,000,000 | 64,000,000 | | (45,000,000) | (65,000,000) | | (365,000,000) | (339,000,000) | |
Defined Benefit Plan, Accumulated Other Comprehensive Income, Net Transition Assets (Obligations), before Tax | | | | (1,000,000) | (3,000,000) | | | | |
Defined Benefit Plan, Accumulated Other Comprehensive Income, before Tax | 1,278,000,000 | 2,091,000,000 | | 840,000,000 | 837,000,000 | | 403,000,000 | 535,000,000 | |