Summary of Significant Accounting Principles (Details) $ in Millions |
3 Months Ended | 6 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|
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Jun. 30, 2016
business_segment
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Jun. 30, 2015
USD ($)
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Jun. 30, 2016
USD ($)
business_segment
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Jun. 30, 2015
USD ($)
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Dec. 31, 2015
business_segment
|
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| Accounting Policies [Abstract] | |||||
| Number of operating segments | business_segment | 4 | 4 | 5 | ||
| Error Corrections and Prior Period Adjustments Restatement [Line Items] | |||||
| Net cash provided by operating activities | $ 26,136 | $ (3,087) | |||
| Net cash used in investing activities | $ (30,490) | $ (27,985) | |||
| Non-Cash Security Proceeds Reclassification | Restatement Adjustment | |||||
| Error Corrections and Prior Period Adjustments Restatement [Line Items] | |||||
| Net cash provided by operating activities | $ 9,300 | ||||
| Net cash used in investing activities | $ 9,300 | ||||
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- References No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount of cash inflow (outflow) of investing activities, excluding discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of cash inflow (outflow) from operating activities, excluding discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. No definition available.
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