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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2013
Income Tax Disclosure [Abstract] |
Domestic and Foreign Components of Income Before Income Taxes | The domestic and foreign components of income before income taxes were as follows (in millions):
|  | Years Ended December 31, |
|  | 2013 |  |  | 2012 |  |  | 2011 |
Domestic |  | $ | 1,523 |  |  | $ | 1,812 |  |  | $ | 1,282 |
Foreign |  |  | 1,823 |  |  |  | 1,693 |  |  |  | 1,640 |
|  | $ | 3,346 |  |  | $ | 3,505 |  |  | $ | 2,922 |
Components of Provision for Income Taxes | The components of the provision for income taxes consisted of (in millions):
|  | Years Ended December 31, |
|  | 2013 |  |  | 2012 |  |  | 2011 |
Current: |  |  |  |  |  |  |  |  |  |  |  |
Federal |  | $ | 680 |  |  | $ | 700 |  |  | $ | 484 |
State |  |  | 59 |  |  |  | 48 |  |  |  | 37 |
Foreign |  |  | 612 |  |  |  | 371 |  |  |  | 768 |
Total current income tax provision |  |  | 1,351 |  |  |  | 1,119 |  |  |  | 1,289 |
Deferred: |  |  |  |  |  |  |  |  |  |  |  |
Federal |  |  | (151 | ) |  |  | (151 | ) |  |  | (28 | )
State |  |  | (12 | ) |  |  | — |  |  |  | (3 | )
Foreign |  |  | (170 | ) |  |  | 54 |  |  |  | (321 | )
Total deferred income tax provision |  |  | (333 | ) |  |  | (97 | ) |  |  | (352 | )
Total income tax provision |  | $ | 1,018 |  |  | $ | 1,022 |  |  | $ | 937 |
Difference Between Effective Tax Rate | The difference between the effective tax rate reflected in the provision for income taxes and the U.S. federal statutory rate was as follows (in millions):
|  | Years Ended December 31, |
|  | 2013 |  |  | 2012 |  |  | 2011 |
Federal income tax at U.S. statutory rate |  | $ | 1,171 |  |  | $ | 1,227 |  |  | $ | 1,023 |
Foreign income tax rate differential |  |  | (221 | ) |  |  | (154 | ) |  |  | (152 | )
State income tax, net of federal benefit |  |  | 30 |  |  |  | 31 |  |  |  | 22 |
Nondeductible expenses |  |  | 28 |  |  |  | 30 |  |  |  | 42 |
Tax benefit of manufacturing deduction |  |  | (33 | ) |  |  | (29 | ) |  |  | (37 | )
Foreign dividends, net of foreign tax credits |  |  | 31 |  |  |  | (115 | ) |  |  | 9 |
Change in deferred tax valuation allowance |  |  | 40 |  |  |  | 80 |  |  |  | (18 | )
Other |  |  | (28 | ) |  |  | (48 | ) |  |  | 48 |
Total income tax provision |  | $ | 1,018 |  |  | $ | 1,022 |  |  | $ | 937 |
Significant Components of Defered Tax Assets and Liability | Significant components of our deferred tax assets and liabilities were as follows (in millions):
|  | December 31, |
|  | 2013 |  |  | 2012 |  |  | 2011 |
Deferred tax assets: |  |  |  |  |  |  |  |  |  |  |  |
Allowances and operating liabilities |  | $ | 439 |  |  | $ | 368 |  |  | $ | 331 |
Net operating loss carryforwards |  |  | 51 |  |  |  | 25 |  |  |  | 14 |
Postretirement benefits |  |  | 49 |  |  |  | 54 |  |  |  | 14 |
Foreign tax credit carryforwards |  |  | 300 |  |  |  | 259 |  |  |  | 106 |
Other |  |  | 39 |  |  |  | 149 |  |  |  | 151 |
|  |  | 878 |  |  |  | 855 |  |  |  | 616 |
Valuation allowance for deferred tax assets |  |  | (133 | ) |  |  | (93 | ) |  |  | (13 | )
Total deferred tax assets |  |  | 745 |  |  |  | 762 |  |  |  | 603 |
Deferred tax liabilities: |  |  |  |  |  |  |  |  |  |  |  |
Tax over book depreciation |  |  | 306 |  |  |  | 268 |  |  |  | 204 |
Intangible assets |  |  | 1,757 |  |  |  | 1,448 |  |  |  | 1,398 |
Deferred income |  |  | 285 |  |  |  | 314 |  |  |  | 226 |
Accrued U.S. tax on unremitted earnings |  |  | 92 |  |  |  | 92 |  |  |  | 70 |
Other |  |  | 164 |  |  |  | 208 |  |  |  | 168 |
Total deferred tax liabilities |  |  | 2,604 |  |  |  | 2,330 |  |  |  | 2,066 |
Net deferred tax liability |  | $ | 1,859 |  |  | $ | 1,568 |  |  | $ | 1,463 |
Reconciliation of Beginning and Ending Amount of Unrecognized Tax Benefits | A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows (in millions):
|  | 2013 |  |  | 2012 |  |  | 2011 |
Unrecognized tax benefit at beginning of year |  | $ | 128 |  |  | $ | 131 |  |  | $ | 118 |
Additions based on tax positions related to the current year |  |  | — |  |  |  | 2 |  |  |  | 9 |
Additions for tax positions of prior years |  |  | — |  |  |  | — |  |  |  | 13 |
Reductions for lapse of applicable statutes of limitations |  |  | (1 | ) |  |  | (5 | ) |  |  | (9 | )
Unrecognized tax benefit at end of year |  | $ | 127 |  |  | $ | 128 |  |  | $ | 131 |

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