v3.4.0.3

OTHER FINANCIAL DATA - SHAREHOLDER'S EQUITY AND NONCONTROLLING INTEREST (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2016 | Mar. 31, 2015
Equity, beginning of period |  | $ 12,579 | [1] | $ 12,100
Comprehensive income (loss) |  | 315 |  | 329
Share-based compensation expense |  | 13 |  | 13
Common stock dividends declared |  | (188) |  | (173)
Issuance of common stock |  | 28 |  | 30
Repurchases of common stock |  | (54) |  | (65)
Tax benefit related to share-based compensation |  | 34 |  | 52
Distributions to noncontrolling interests |  | (3) |  | (5)
Equity, end of period |  | 12,724 |  | 12,281
San Diego Gas and Electric Company [Member] |  |  |  |
Equity, beginning of period |  | 5,276 | [1] | 4,992
Comprehensive income (loss) |  | 128 |  | 149
Distributions to noncontrolling interests |  | (1) |  | (3)
Equity, end of period |  | 5,403 |  | 5,138
Southern California Gas Company [Member] |  |  |  |
Equity, beginning of period | [1] | 3,149 |  |
Equity, end of period |  | 3,344 |  |
Total Shareholders' Equity [Member] |  |  |  |
Equity, beginning of period |  | 11,809 |  | 11,326
Comprehensive income (loss) |  | 304 |  | 321
Share-based compensation expense |  | 13 |  | 13
Common stock dividends declared |  | (188) |  | (173)
Issuance of common stock |  | 28 |  | 30
Repurchases of common stock |  | (54) |  | (65)
Tax benefit related to share-based compensation |  | 34 |  | 52
Distributions to noncontrolling interests |  | 0 |  | 0
Equity, end of period |  | 11,946 |  | 11,504
Total Shareholders' Equity [Member] | San Diego Gas and Electric Company [Member] |  |  |  |
Equity, beginning of period |  | 5,223 |  | 4,932
Comprehensive income (loss) |  | 129 |  | 147
Distributions to noncontrolling interests |  | 0 |  | 0
Equity, end of period |  | 5,352 |  | 5,079
Noncontrolling Interests [Member] |  |  |  |
Equity, beginning of period | [2] | 770 |  | 774
Comprehensive income (loss) | [2] | 11 |  | 8
Share-based compensation expense | [2] | 0 |  | 0
Common stock dividends declared | [2] | 0 |  | 0
Issuance of common stock | [2] | 0 |  | 0
Repurchases of common stock | [2] | 0 |  | 0
Tax benefit related to share-based compensation | [2] | 0 |  | 0
Distributions to noncontrolling interests | [2] | (3) |  | (5)
Equity, end of period | [2] | 778 |  | 777
Noncontrolling Interests [Member] | San Diego Gas and Electric Company [Member] |  |  |  |
Equity, beginning of period |  | 53 |  | 60
Comprehensive income (loss) |  | (1) |  | 2
Distributions to noncontrolling interests |  | (1) |  | (3)
Equity, end of period |  | $ 51 |  | $ 59
[1] | Derived from audited financial statements.
[2] | Noncontrolling interests include the preferred stock of SoCalGas and other noncontrolling interests as listed in the table below under "Other Noncontrolling Interests."

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- Definition This element represents the amount of recognized equity-based compensation during the period, that is, the amount recognized as expense in the income statement (or as asset if compensation is capitalized). Alternate captions include the words "stock-based compensation". + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 35 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415241&loc=d3e4534-113899 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 20 -Section 55 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=32706628&loc=d3e11149-113907 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 20 -Section 55 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=32706628&loc=d3e11178-113907 + Details
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