v3.3.1.900

EQUITY - SHARE REPURCHASE PROGRAM (DETAILS) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Sep. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2015 | Dec. 31, 2014 | May. 31, 2015
Equity Disclosures |  |  |  |  |
Repurchase of common shares for the period |  |  | $ 300 | $ 300 |
Common Shares |  |  |  |  |
Equity Disclosures |  |  |  |  |
Authorized amount of issued and outstanding common shares available for repurchase |  | $ 975 |  |  | $ 500
Repurchase of common shares (in shares) | 1,411,210 | 2,460,600 | 3,871,810 | 3,780,987 |
Repurchase of common shares for the period |  | $ 200 |  |  |
Treasury Shares |  |  |  |  |
Equity Disclosures |  |  |  |  |
Repurchase of common shares for the period | $ 100 |  | $ 300 | $ 300 |

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