Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2016 |
Jun. 30, 2015 |
Jun. 30, 2016 |
Jun. 30, 2015 |
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| Other Comprehensive Income Loss Textuals [Abstract] | ||||
| Net unrealized securities gains (losses), tax | $ 2 | $ (10) | $ 2 | $ (11) |
| Foreign currency translation adjustments, tax | 100 | (48) | 61 | 40 |
| Net unrealized pension and other postretirement benefit gains, tax | $ 10 | $ (3) | $ 29 | $ 16 |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of tax expense (benefit), after reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities. Excludes amounts related to other than temporary impairment (OTTI) loss. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of tax expense (benefit), after reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of tax (expense) benefit, after reclassification adjustments, of (increase) decrease in accumulated other comprehensive (income) loss related to pension and other postretirement defined benefit plans. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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