Condensed Consolidated Statement of Comprehensive Income - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2018 |
Jun. 30, 2017 |
Jun. 30, 2018 |
Jun. 30, 2017 |
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| Statement of Comprehensive Income [Abstract] | ||||
| Net income | $ 355 | $ 272 | $ 681 | $ 480 |
| Unrealized gains (losses) on available-for-sale securities: | ||||
| Non-credit-related impairment recoveries (losses) on debt securities not expected to be sold | 0 | 1 | 0 | 2 |
| Unrealized net gains (losses) on available-for-sale securities arising during the period, net of reclassification for net realized gains and losses | 53 | (37) | 203 | (47) |
| Total unrealized gains (losses) on available-for-sale securities | (53) | 38 | (203) | 49 |
| Unrealized gains (losses) on cash flow hedging derivatives, net of reclassifications to income | 0 | 1 | 0 | 1 |
| Change in accumulated unrealized losses for pension and other post-retirement obligations | 1 | 1 | 2 | 1 |
| Other comprehensive income (loss), net of tax | (52) | 40 | (201) | 51 |
| Comprehensive income | $ 303 | $ 312 | $ 480 | $ 531 |
| X | ||||||||||
- References No definition available.
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- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The aggregate net change in the difference between the fair value and the carrying value, or in the comparative fair values, of marketable securities categorized as trading held at each balance sheet date, that was included in earnings for the period, which may have arisen from (a) securities classified as trading, (b) the unrealized holding gain (loss) on held-to-maturity securities transferred to the trading security category, and (c) the cumulative unrealized gain (loss) which was included in other comprehensive income (a separate component of shareholders' equity) on available-for-sale securities transferred to trading securities during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount after tax and 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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- Definition Amount after tax and reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount after tax and reclassification adjustments of other comprehensive income (loss). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount, after tax and reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount after tax of other than temporary impairment loss (OTTI) on investments in available-for-sale and held-to-maturity debt securities, recognized in other comprehensive loss and attributable to parent entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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