v3.6.0.2

SEMPRA ENERGY - SHAREHOLDERS' EQUITY AND EARNINGS PER SHARE - COMMON STOCK ACTIVITY (Details) - $ / shares | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Earnings Per Share [Abstract] |  |  |
Common stock, shares authorized | 750,000,000 | 750,000,000 |
Common stock par value (in dollars per share) | $ 0 | $ 0 |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |
Common shares outstanding, January 1 | 248,298,080 | 246,330,884 | 244,461,327
Restricted stock units vesting | 1,363,555 | 1,499,062 | 989,027
Stock options exercised | 167,742 | 227,815 | 699,783
Savings plan issuance | 653,607 | 652,631 | 398,042
Common stock investment plan | 266,056 | 249,665 | 205,203
Shares repurchased | 596,526 | 661,977 | 422,498
Common shares outstanding, December 31 | 250,152,514 | 248,298,080 | 246,330,884

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