Income Taxes - Narrative (Details) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
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Dec. 31, 2016
USD ($)
Jurisdiction
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Dec. 31, 2015
USD ($)
|
Dec. 31, 2014
USD ($)
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|
| Income Tax Disclosure [Abstract] | |||
| Other comprehensive income (loss), tax | $ 498 | $ (631) | $ (3,100) |
| Tax effect on common stock and additional paid in capital from employee stock purchase plan activity | (41) | (44) | (35) |
| Unrecognized tax benefits that would impact effective rate | $ 600 | 700 | 700 |
| Number of jurisdictions for filing income tax returns (more than) | Jurisdiction | 100 | ||
| Unrecognized tax benefits is reasonable possible, amount of unrecorded benefit | $ 200 | ||
| Penalties and interest expense | 56 | (82) | $ (196) |
| Penalties and interest accrued | 167 | $ 288 | |
| Undistributed earnings of foreign subsidiaries | 17,800 | ||
| Deferred tax liabilities, undistributed foreign earnings | $ 4,900 | ||
| X | ||||||||||
- Definition Number of Jurisdictions Filed No definition available.
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| X | ||||||||||
- Definition The amount of adjustment to stockholders' equity associated with an employee's income tax withholding obligation as part of a net-share settlement of a share-based award. No definition available.
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from undistributed earnings of subsidiaries and other recognized entities not within the country of domicile of the entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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- Definition The amount of estimated penalties and interest accrued as of the balance sheet date arising from income tax examinations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The sum of the amounts of estimated penalties and interest recognized in the period arising from income tax examinations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of tax expense (benefit) allocated to other comprehensive income (loss) attributable to parent entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The amount of the unrecognized tax benefit of a position taken for which it is reasonably possible that the total amount thereof will significantly increase or decrease within twelve months of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the country of domicile. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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