| **Condensed Consolidated Statements of Stockholder's Equity (Unaudited) - USD ($) $ in Thousands** | Total | Common Shares Outstanding | Preferred Stock | Common Stock and Paid-in Capital | Accumulated Other Comprehensive (Loss)/Income | Retained Earnings | Noncontrolling Interest |
|----------------------------------------------------------------------------------------------------|-------|---------------------------|-----------------|----------------------------------|-----------------------------------------------|-------------------|-------------------------|
| Beginning balance (in shares) at Dec. 31, 2013                                                     |       |                      | 520,307,000     |                             |                                          |              |                    |   |
| Beginning balance at Dec. 31, 2013                                                                 |       | $ 13,577,098              |            | $ 195,445                        | $ 12,209,816                                  | $ (254,368)       | $ 1,426,205             | $ 0 |
| **Increase (Decrease) in Stockholders' Equity [Roll Forward]**                                     |       |                      |            |                             |                                          |              |                    |   |
| Comprehensive income                                                                               |       | 2,407,904                 |            |                             |                                          | 136,420           | 2,271,484               |   |
| Comprehensive Income Attributable to Noncontrolling Interest                                       |       | 383,466                   |            |                             |                                          |              |                    |   |
| Issuance of common stock (in shares)                                                               |       |                      | 10,084,000      |                             |                                          |              |                    |   |
| Issuance of common stock                                                                           |       | 2,521,000                 |            |                             | 2,521,000                                     |              |                    |   |
| SCUSA Change in Control                                                                            | [1]   | 3,483,445                 |            |                             |                                          |              |                    | 3,483,445 |
| Impact of SCUSA Stock Option Activity                                                              |       | 110,958                   |            |                             |                                          |              |                    | 110,958 |
| Stock issued in connection with employee benefit and incentive compensation plans                  |       | (1,207)                   |            |                             | (1,207)                                       |              |                    |   |
| Dividends paid on Noncontrolling Interest                                                          |       | (20,667)                  |            |                             |                                          |              |                    | (20,667) |
| Dividends paid on preferred stock                                                                  |       | (10,950)                  |            |                             |                                          |              | (10,950)                |   |
| Ending balance (in shares) at Sep. 30, 2014                                                        |       |                      | 530,391,000     |                             |                                          |              |                    |   |
| Ending balance at Sep. 30, 2014                                                                    |       | $ 22,451,047              |            | 195,445                          | 14,729,609                                    | (117,948)         | 3,686,739               | 3,957,202 |
| Beginning balance (in shares) at Dec. 31, 2014                                                     |       | 530,391,043               | 530,391,000     |                             |                                          |              |                    |   |
| Beginning balance at Dec. 31, 2014                                                                 |       | $ 22,727,456              |            | 195,445                          | 14,729,609                                    | (96,410)          | 3,846,417               | 4,052,395 |
| **Increase (Decrease) in Stockholders' Equity [Roll Forward]**                                     |       |                      |            |                             |                                          |              |                    |   |
| Comprehensive income                                                                               |       | 336,801                   |            |                             |                                          | 27,537            | 309,264                 |   |
| Comprehensive Income Attributable to Noncontrolling Interest                                       |       | 221,980                   |            |                             |                                          |              |                    |   |
| Impact of SCUSA Stock Option Activity                                                              |       | 68,024                    |            |                             | (2,004)                                       |              |                    | 70,028 |
| Stock issued in connection with employee benefit and incentive compensation plans                  |       | 1,901                     |            |                             | 1,901                                         |              |                    |   |
| Dividends paid on preferred stock                                                                  |       | $ (10,950)                |            |                             |                                          |              | (10,950)                |   |
| Ending balance (in shares) at Sep. 30, 2015                                                        |       | 530,391,043               | 530,391,000     |                             |                                          |              |                    |   |
| Ending balance at Sep. 30, 2015                                                                    |       | $ 23,345,212              |            | $ 195,445                        | $ 14,729,506                                  | $ (68,873)        | $ 4,144,731             | $ 4,344,403 |
|                                                                                                    |
| [1]Refer to Note 3 to the Condensed Consolidated Financial Statements for further discussion.      |

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| - Definition
Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.
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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, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.
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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests. Excludes changes in equity resulting from investments by owners and distributions to owners.
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| - Definition
Amount of paid and unpaid common stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).
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Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash.
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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.
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Increase in noncontrolling interest balance because of a business combination that occurred during the period.
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Amount of increase in noncontrolling interest from subsidiary issuance of equity interests to noncontrolling interest holders.
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Number of new stock issued during the period.
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Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.
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Value of stock (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of stock value of such awards forfeited. Stock issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.
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Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.
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