v3.8.0.1

NEW ACCOUNTING STANDARDS (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2018 | Mar. 31, 2017 | Jan. 01, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |
Cumulative-effect adjustment from change in accounting principle |  |  |  |  |  | $ (1)
CASH FLOWS FROM OPERATING ACTIVITIES |  |  |  |  |  |
Changes in other assets |  | $ (107) |  | $ (41) | [1] |
Net cash provided by operating activities |  | 966 |  | 1,004 | [1] |
CASH FLOWS FROM INVESTING ACTIVITIES |  |  |  |  |  |
Expenditures for investments and acquisition of businesses, net of cash and cash equivalents acquired |  | (9,617) |  | (59) | [1] |
Other |  | 26 |  | 4 | [1] |
Net cash used in investing activities |  | (10,632) |  | (1,026) | [1] |
CASH FLOWS FROM FINANCING ACTIVITIES |  |  |  |  |  |
Other |  | (52) |  | (5) | [1] |
Net Cash Provided by (Used in) Financing Activities |  | 9,608 |  | (46) | [1] |
Effect of exchange rate changes on cash, cash equivalents and restricted cash |  | 1 |  | 10 | [1] |
(Decrease) increase in cash, cash equivalents and restricted cash |  | (57) |  | (58) | [1] |
Cash and cash equivalents beginning balance | [2] | 288 |  |  |  |
Cash and cash equivalents ending balance |  | 239 |  |  |  |
Cash, cash equivalents and restricted cash beginning balance |  | 364 |  | 425 | [1] |
Cash, cash equivalents and restricted cash ending balance |  | 307 |  | 367 | [1] |
Income Statement [Abstract] |  |  |  |  |  |
Operation and maintenance |  | 781 |  | 719 | [3] |
Other income, net |  | 153 |  | 174 | [3] |
New Accounting Pronouncement, Early Adoption, Effect [Member] | Accounting Standards Update 2016-18 [Member] |  |  |  |  |  |
CASH FLOWS FROM INVESTING ACTIVITIES |  |  |  |  |  |
Increases in restricted cash |  |  |  | 0 |  |
Decreases in restricted cash |  |  |  | 0 |  |
CASH FLOWS FROM FINANCING ACTIVITIES |  |  |  |  |  |
Effect of Exchange Rate on Cash and Cash Equivalents |  |  |  | 0 |  |
Effect of exchange rate changes on cash, cash equivalents and restricted cash |  |  |  | 10 |  |
(Decrease) increase in cash and cash equivalents |  |  |  | 0 |  |
(Decrease) increase in cash, cash equivalents and restricted cash |  |  |  | (58) |  |
Cash and cash equivalents beginning balance |  |  |  | 0 |  |
Cash and cash equivalents ending balance |  |  |  | 0 |  |
Cash, cash equivalents and restricted cash beginning balance |  |  |  | 425 |  |
Cash, cash equivalents and restricted cash ending balance |  |  |  | 367 |  |
New Accounting Pronouncement, Early Adoption, Effect [Member] | Accounting Standards Update 2016-01 and 2018-03 [Member] |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |
Cumulative-effect adjustment from change in accounting principle |  |  |  |  |  | 1
New Accounting Pronouncement, Early Adoption, Effect [Member] | Accounting Standards Update 2017-07 [Member] |  |  |  |  |  |
Income Statement [Abstract] |  |  |  |  |  |
Operation and maintenance |  |  |  | 719 |  |
Other income, net |  |  |  | 174 |  |
New Accounting Pronouncement, Early Adoption, Effect [Member] | Accounting Standards Update 2017-12 [Member] |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |
Cumulative-effect adjustment from change in accounting principle |  |  |  |  |  | $ 3
As previously reported [Member] | New Accounting Pronouncement, Early Adoption, Effect [Member] | Accounting Standards Update 2016-18 [Member] |  |  |  |  |  |
CASH FLOWS FROM INVESTING ACTIVITIES |  |  |  |  |  |
Increases in restricted cash |  |  |  | (93) |  |
Decreases in restricted cash |  |  |  | 93 |  |
CASH FLOWS FROM FINANCING ACTIVITIES |  |  |  |  |  |
Effect of Exchange Rate on Cash and Cash Equivalents |  |  |  | 9 |  |
Effect of exchange rate changes on cash, cash equivalents and restricted cash |  |  |  | 0 |  |
(Decrease) increase in cash and cash equivalents |  |  |  | (59) |  |
(Decrease) increase in cash, cash equivalents and restricted cash |  |  |  | 0 |  |
Cash and cash equivalents beginning balance |  |  |  | 349 |  |
Cash and cash equivalents ending balance |  |  |  | 290 |  |
Cash, cash equivalents and restricted cash beginning balance |  |  |  | 0 |  |
Cash, cash equivalents and restricted cash ending balance |  |  |  | 0 |  |
As previously reported [Member] | New Accounting Pronouncement, Early Adoption, Effect [Member] | Accounting Standards Update 2017-07 [Member] |  |  |  |  |  |
Income Statement [Abstract] |  |  |  |  |  |
Operation and maintenance |  |  |  | 714 |  |
Other income, net |  |  |  | 169 |  |
Effect of adoption [Member] | New Accounting Pronouncement, Early Adoption, Effect [Member] | Accounting Standards Update 2016-18 [Member] |  |  |  |  |  |
CASH FLOWS FROM INVESTING ACTIVITIES |  |  |  |  |  |
Increases in restricted cash |  |  |  | 93 |  |
Decreases in restricted cash |  |  |  | (93) |  |
CASH FLOWS FROM FINANCING ACTIVITIES |  |  |  |  |  |
Effect of Exchange Rate on Cash and Cash Equivalents |  |  |  | (9) |  |
Effect of exchange rate changes on cash, cash equivalents and restricted cash |  |  |  | 10 |  |
(Decrease) increase in cash and cash equivalents |  |  |  | 59 |  |
(Decrease) increase in cash, cash equivalents and restricted cash |  |  |  | (58) |  |
Cash and cash equivalents beginning balance |  |  |  | (349) |  |
Cash and cash equivalents ending balance |  |  |  | (290) |  |
Cash, cash equivalents and restricted cash beginning balance |  |  |  | 425 |  |
Cash, cash equivalents and restricted cash ending balance |  |  |  | 367 |  |
Effect of adoption [Member] | New Accounting Pronouncement, Early Adoption, Effect [Member] | Accounting Standards Update 2017-07 [Member] |  |  |  |  |  |
Income Statement [Abstract] |  |  |  |  |  |
Operation and maintenance |  |  |  | 5 |  |
Other income, net |  |  |  | 5 |  |
San Diego Gas and Electric Company [Member] |  |  |  |  |  |
CASH FLOWS FROM OPERATING ACTIVITIES |  |  |  |  |  |
Changes in other assets |  | (33) |  | (34) | [1] |
Net cash provided by operating activities |  | 404 |  | 386 | [1] |
CASH FLOWS FROM INVESTING ACTIVITIES |  |  |  |  |  |
Net cash used in investing activities |  | (475) |  | (380) | [1] |
CASH FLOWS FROM FINANCING ACTIVITIES |  |  |  |  |  |
Net Cash Provided by (Used in) Financing Activities |  | 67 |  | 5 | [1] |
Cash and cash equivalents beginning balance | [2] | 12 |  |  |  |
Cash and cash equivalents ending balance |  | 9 |  |  |  |
Cash, cash equivalents and restricted cash beginning balance |  | 29 |  | 20 | [1] |
Cash, cash equivalents and restricted cash ending balance |  | 25 |  | 31 | [1] |
Income Statement [Abstract] |  |  |  |  |  |
Operation and maintenance |  | 248 |  | 231 | [3] |
Total operating expenses |  | 807 |  | 783 | [3] |
Operating income |  | 248 |  | 274 | [3] |
Other income, net |  | 28 |  | 22 | [3] |
San Diego Gas and Electric Company [Member] | New Accounting Pronouncement, Early Adoption, Effect [Member] | Accounting Standards Update 2016-18 [Member] |  |  |  |  |  |
CASH FLOWS FROM INVESTING ACTIVITIES |  |  |  |  |  |
Increases in restricted cash |  |  |  | 0 |  |
Decreases in restricted cash |  |  |  | 0 |  |
Net cash used in investing activities |  |  |  | (380) |  |
CASH FLOWS FROM FINANCING ACTIVITIES |  |  |  |  |  |
(Decrease) increase in cash and cash equivalents |  |  |  | 0 |  |
(Decrease) increase in cash, cash equivalents and restricted cash |  |  |  | 11 |  |
Cash and cash equivalents beginning balance |  |  |  | 0 |  |
Cash and cash equivalents ending balance |  |  |  | 0 |  |
Cash, cash equivalents and restricted cash beginning balance |  |  |  | 20 |  |
Cash, cash equivalents and restricted cash ending balance |  |  |  | 31 |  |
San Diego Gas and Electric Company [Member] | New Accounting Pronouncement, Early Adoption, Effect [Member] | Accounting Standards Update 2017-07 [Member] |  |  |  |  |  |
Income Statement [Abstract] |  |  |  |  |  |
Operation and maintenance |  |  |  | 231 |  |
Total operating expenses |  |  |  | 783 |  |
Operating income |  |  |  | 274 |  |
Other income, net |  |  |  | 22 |  |
San Diego Gas and Electric Company [Member] | As previously reported [Member] | New Accounting Pronouncement, Early Adoption, Effect [Member] | Accounting Standards Update 2016-18 [Member] |  |  |  |  |  |
CASH FLOWS FROM INVESTING ACTIVITIES |  |  |  |  |  |
Increases in restricted cash |  |  |  | (10) |  |
Decreases in restricted cash |  |  |  | 9 |  |
Net cash used in investing activities |  |  |  | (381) |  |
CASH FLOWS FROM FINANCING ACTIVITIES |  |  |  |  |  |
(Decrease) increase in cash and cash equivalents |  |  |  | 10 |  |
(Decrease) increase in cash, cash equivalents and restricted cash |  |  |  | 0 |  |
Cash and cash equivalents beginning balance |  |  |  | 8 |  |
Cash and cash equivalents ending balance |  |  |  | 18 |  |
Cash, cash equivalents and restricted cash beginning balance |  |  |  | 0 |  |
Cash, cash equivalents and restricted cash ending balance |  |  |  | 0 |  |
San Diego Gas and Electric Company [Member] | As previously reported [Member] | New Accounting Pronouncement, Early Adoption, Effect [Member] | Accounting Standards Update 2017-07 [Member] |  |  |  |  |  |
Income Statement [Abstract] |  |  |  |  |  |
Operation and maintenance |  |  |  | 227 |  |
Total operating expenses |  |  |  | 779 |  |
Operating income |  |  |  | 278 |  |
Other income, net |  |  |  | 18 |  |
San Diego Gas and Electric Company [Member] | Effect of adoption [Member] | New Accounting Pronouncement, Early Adoption, Effect [Member] | Accounting Standards Update 2016-18 [Member] |  |  |  |  |  |
CASH FLOWS FROM INVESTING ACTIVITIES |  |  |  |  |  |
Increases in restricted cash |  |  |  | 10 |  |
Decreases in restricted cash |  |  |  | (9) |  |
Net cash used in investing activities |  |  |  | 1 |  |
CASH FLOWS FROM FINANCING ACTIVITIES |  |  |  |  |  |
(Decrease) increase in cash and cash equivalents |  |  |  | (10) |  |
(Decrease) increase in cash, cash equivalents and restricted cash |  |  |  | 11 |  |
Cash and cash equivalents beginning balance |  |  |  | (8) |  |
Cash and cash equivalents ending balance |  |  |  | (18) |  |
Cash, cash equivalents and restricted cash beginning balance |  |  |  | 20 |  |
Cash, cash equivalents and restricted cash ending balance |  |  |  | 31 |  |
San Diego Gas and Electric Company [Member] | Effect of adoption [Member] | New Accounting Pronouncement, Early Adoption, Effect [Member] | Accounting Standards Update 2017-07 [Member] |  |  |  |  |  |
Income Statement [Abstract] |  |  |  |  |  |
Operation and maintenance |  |  |  | 4 |  |
Total operating expenses |  |  |  | 4 |  |
Operating income |  |  |  | (4) |  |
Other income, net |  |  |  | 4 |  |
Southern California Gas Company [Member] |  |  |  |  |  |
CASH FLOWS FROM OPERATING ACTIVITIES |  |  |  |  |  |
Changes in other assets |  | (57) |  | (21) | [1] |
Net cash provided by operating activities |  | 419 |  | 463 | [1] |
CASH FLOWS FROM INVESTING ACTIVITIES |  |  |  |  |  |
Other |  | 3 |  | 0 | [1] |
Net cash used in investing activities |  | (400) |  | (392) | [1] |
CASH FLOWS FROM FINANCING ACTIVITIES |  |  |  |  |  |
Net Cash Provided by (Used in) Financing Activities |  | (16) |  | (62) | [1] |
(Decrease) increase in cash and cash equivalents |  | 3 |  | 9 | [1] |
Cash and cash equivalents beginning balance |  | 8 | [2] | 12 | [1] |
Cash and cash equivalents ending balance |  | 11 |  | 21 | [1] |
Income Statement [Abstract] |  |  |  |  |  |
Operation and maintenance |  | 384 |  | 356 | [3] |
Total operating expenses |  | 848 |  | 929 | [3] |
Operating income |  | 278 |  | 312 | [3] |
Other income, net |  | $ 33 |  | 14 | [3] |
Southern California Gas Company [Member] | New Accounting Pronouncement, Early Adoption, Effect [Member] | Accounting Standards Update 2017-07 [Member] |  |  |  |  |  |
Income Statement [Abstract] |  |  |  |  |  |
Operation and maintenance |  |  |  | 356 |  |
Total operating expenses |  |  |  | 929 |  |
Operating income |  |  |  | 312 |  |
Other income, net |  |  |  | 14 |  |
Southern California Gas Company [Member] | As previously reported [Member] | New Accounting Pronouncement, Early Adoption, Effect [Member] | Accounting Standards Update 2017-07 [Member] |  |  |  |  |  |
Income Statement [Abstract] |  |  |  |  |  |
Operation and maintenance |  |  |  | 353 |  |
Total operating expenses |  |  |  | 926 |  |
Operating income |  |  |  | 315 |  |
Other income, net |  |  |  | 11 |  |
Southern California Gas Company [Member] | Effect of adoption [Member] | New Accounting Pronouncement, Early Adoption, Effect [Member] | Accounting Standards Update 2017-07 [Member] |  |  |  |  |  |
Income Statement [Abstract] |  |  |  |  |  |
Operation and maintenance |  |  |  | 3 |  |
Total operating expenses |  |  |  | 3 |  |
Operating income |  |  |  | (3) |  |
Other income, net |  |  |  | $ 3 |  |
[1] | As adjusted for the retrospective adoption of ASU 2016-18, which we discuss in Note 2.
[2] | Derived from audited financial statements.
[3] | As adjusted for the retrospective adoption of ASU 2017-07, which we discuss in Note 2, and a reclassification to conform to current year presentation, which we discuss in Note 1.

X
- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=82887183&loc=d3e6676-107765 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3044-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of cash inflow (outflow) from investing activities, including 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3574-108585 + Details
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