v3.8.0.1
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
CASH FLOWS FROM OPERATING ACTIVITIES    
Net Income $ 358 $ 452 [1],[2]
Earnings / Net Income 347 441
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation and amortization 386 360 [1],[2]
Deferred income taxes and investment tax credits 229 268 [1]
Equity losses 20 5 [1]
Fixed-price contracts and other derivatives (35) (106) [1]
Other 46 (22) [1]
Net change in other working capital components 84 84 [1]
Insurance receivable for Aliso Canyon costs (29) (15) [1]
Changes in other assets (107) (41) [1]
Changes in other liabilities 14 19 [1]
Net cash provided by operating activities 966 1,004 [1]
CASH FLOWS FROM INVESTING ACTIVITIES    
Expenditures for property, plant and equipment (1,035) (992) [1]
Expenditures for investments and acquisitions, net of cash and cash equivalents acquired (9,617) (59) [1]
Distributions from investments 8 17 [1]
Purchases of nuclear decommissioning trust assets (210) (350) [1]
Proceeds from sales by nuclear decommissioning trusts 210 357 [1]
Advances to unconsolidated affiliates (83) (5) [1]
Repayments of advances to unconsolidated affiliates 69 2 [1]
Other 26 4 [1]
Net cash used in investing activities (10,632) (1,026) [1]
CASH FLOWS FROM FINANCING ACTIVITIES    
Common dividends paid (194) (176) [1]
Issuances of mandatory convertible preferred stock, net of $32 in offering costs 1,693 0 [1]
Issuances of common stock, net of $24 in offering costs 1,278 17 [1]
Repurchases of common stock (19) (14) [1]
Issuances of debt (maturities greater than 90 days) 5,988 542 [1]
Payments on debt (maturities greater than 90 days) (193) (313) [1]
Increase (decrease) in short-term debt, net 1,140 (97) [1]
Settlement of cross-currency swap (33) 0 [1]
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 in cash, cash equivalents and restricted cash (57) (58) [1]
Cash, cash equivalents and restricted cash beginning balance 364 425 [1]
Cash, cash equivalents and restricted cash ending balance 307 367 [1]
Cash and cash equivalents beginning balance [3] 288  
Cash and cash equivalents ending balance 239  
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION    
Interest payments, net of amounts capitalized 116 106 [1]
Income tax payments, net of refunds 34 47 [1]
SUPPLEMENTAL DISCLOSURE OF NONCASH INVESTING AND FINANCING ACTIVITIES    
Assets acquired 9,670 0 [1]
Liabilities assumed (104) 0 [1]
Cash paid 9,566 0 [1]
Accrued capital expenditures 340 378 [1]
Accrued Merger-related transaction and financing costs 6 0 [1]
Increase in capital lease obligations for investment in property, plant and equipment 5 0 [1]
Equitization of note receivable due from unconsolidated affiliate 0 19 [1]
Common dividends issued in stock 13 13 [1]
Preferred Stock [Member]    
SUPPLEMENTAL DISCLOSURE OF NONCASH INVESTING AND FINANCING ACTIVITIES    
Dividends declared but not paid 28 0 [1]
Common Stock [Member]    
SUPPLEMENTAL DISCLOSURE OF NONCASH INVESTING AND FINANCING ACTIVITIES    
Dividends declared but not paid 247 216 [1]
San Diego Gas and Electric Company [Member]    
CASH FLOWS FROM OPERATING ACTIVITIES    
Net Income 169 157 [1],[2]
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation and amortization 166 163 [1],[2]
Deferred income taxes and investment tax credits (11) 34 [1]
Other 3 (12) [1]
Net change in other working capital components 102 84 [1]
Changes in other assets (33) (34) [1]
Changes in other liabilities 8 (6) [1]
Net cash provided by operating activities 404 386 [1]
CASH FLOWS FROM INVESTING ACTIVITIES    
Expenditures for property, plant and equipment (475) (418) [1]
Purchases of nuclear decommissioning trust assets (210) (350) [1]
Proceeds from sales by nuclear decommissioning trusts 210 357 [1]
Decrease in loans to affiliate, net 0 31 [1]
Net cash used in investing activities (475) (380) [1]
CASH FLOWS FROM FINANCING ACTIVITIES    
Common dividends paid 0 (175) [1]
Payments on debt (maturities greater than 90 days) (20) (160) [1]
Increase (decrease) in short-term debt, net 87 343 [1]
Capital distributions made by VIE, net 0 (3) [1]
Net cash provided by (used in) financing activities 67 5 [1]
(Decrease) increase in cash, cash equivalents and restricted cash (4) 11 [1]
Cash, cash equivalents and restricted cash beginning balance 29 20 [1]
Cash, cash equivalents and restricted cash ending balance 25 31 [1]
Cash and cash equivalents beginning balance [3] 12  
Cash and cash equivalents ending balance 9  
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION    
Interest payments, net of amounts capitalized 39 40 [1]
SUPPLEMENTAL DISCLOSURE OF NONCASH INVESTING AND FINANCING ACTIVITIES    
Accrued capital expenditures 97 126 [1]
Southern California Gas Company [Member]    
CASH FLOWS FROM OPERATING ACTIVITIES    
Net Income 225 203 [1]
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation and amortization 135 126 [1],[2]
Deferred income taxes and investment tax credits 47 80 [1]
Other 21 (5) [1]
Net change in other working capital components 76 96 [1]
Insurance receivable for Aliso Canyon costs (29) (15) [1]
Changes in other assets (57) (21) [1]
Changes in other liabilities 1 (1) [1]
Net cash provided by operating activities 419 463 [1]
CASH FLOWS FROM INVESTING ACTIVITIES    
Expenditures for property, plant and equipment (403) (357) [1]
Decrease in loans to affiliate, net 0 (35) [1]
Other 3 0 [1]
Net cash used in investing activities (400) (392) [1]
CASH FLOWS FROM FINANCING ACTIVITIES    
Increase (decrease) in short-term debt, net (16) (62) [1]
Net cash provided by (used in) financing activities (16) (62) [1]
Increase (decrease) in cash and cash equivalents 3 9 [1]
Cash and cash equivalents beginning balance 8 [3] 12 [1]
Cash and cash equivalents ending balance 11 21 [1]
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION    
Interest payments, net of amounts capitalized 18 16 [1]
SUPPLEMENTAL DISCLOSURE OF NONCASH INVESTING AND FINANCING ACTIVITIES    
Accrued capital expenditures 159 147 [1]
Increase in capital lease obligations for investment in property, plant and equipment $ 5 $ 0 [1]
[1] As adjusted for the retrospective adoption of ASU 2016-18, which we discuss in Note 2.
[2] 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.
[3] Derived from audited financial statements.