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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
REVENUES |  |
Utilities operating revenue | $ 2,515 | $ 2,190
Energy-related businesses | 383 | 346
Total revenues | 2,898 | 2,536
Operating expenses |  |
Operation and maintenance | (832) | (741)
Depreciation and amortization | (383) | (372)
Franchise fees and other taxes | (130) | (117)
Operating expenses |  |
Other income, net | 82 | 152
Interest income | 21 | 29
Interest expense | (260) | (206)
Income from continuing operations before income taxes and equity earnings (losses) of unconsolidated entities | 501 | 593
Income tax expense | (42) | (242)
Equity earnings (losses) | 101 | (21)
Income from continuing operations, net of income tax | 560 | 330
(Loss) income from discontinued operations, net of income tax | (42) | 28
Net income | 518 | 358
(Earnings) losses attributable to noncontrolling interest | (41) | 17
Mandatory convertible preferred stock dividends | (36) | (28)
Earnings attributable to common shares | $ 441 | $ 347
Basic earnings (losses) per common share: |  |
Earnings from continuing operations attributable to common shares (in usd per share) | $ 1.79 | $ 1.26
(Losses) earnings from discontinued operations attributable to common shares (in usd per share) | (0.19) | 0.08
Earnings attributable to common shares (in usd per share) | $ 1.60 | $ 1.34
Weighted-average common shares outstanding | 274,674 | 257,932
Earnings Per Share, Diluted [Abstract] |  |
Earnings from continuing operations attributable to common shares (in usd per share) | $ 1.78 | $ 1.25
(Losses) earnings from discontinued operations attributable to common shares (in usd per share) | (0.19) | 0.08
Earnings from continuing operations attributable to common shares (n usd per share) | $ 1.59 | $ 1.33
Weighted-average common share outstanding, diluted | 277,228 | 259,490
Natural gas [Member] |  |
Operating expenses |  |
Operating expenses | $ (531) | $ (348)
Electric fuel and purchased power [Member] |  |
Operating expenses |  |
Operating expenses | (256) | (271)
Energy-related businesses [Member] |  |
Operating expenses |  |
Operating expenses | (108) | (69)
San Diego Gas and Electric Company [Member] |  |
REVENUES |  |
Electric | 940 | 884
Natural gas | 205 | 171
Utilities operating revenue | 1,145 | 1,055
Operating expenses |  |
Cost of electric fuel and purchased power | 258 | 274
Cost of natural gas | 79 | 50
Operation and maintenance | 286 | 248
Depreciation and amortization | 186 | 166
Franchise fees and other taxes | 74 | 69
Total operating expenses | 883 | 807
Operating income | 262 | 248
Other income, net | 22 | 28
Interest income | 1 | 1
Interest expense | (103) | (52)
Income from continuing operations before income taxes and equity earnings (losses) of unconsolidated entities | 182 | 225
Income tax expense | (5) | (56)
Net income | 177 | 169
(Earnings) losses attributable to noncontrolling interest | (1) | 1
Earnings attributable to common shares | 176 | 170
Southern California Gas Company [Member] |  |
REVENUES |  |
Utilities operating revenue | 1,361 | 1,126
Operating expenses |  |
Cost of natural gas | 455 | 289
Operation and maintenance | 410 | 384
Depreciation and amortization | 147 | 135
Franchise fees and other taxes | 48 | 40
Total operating expenses | 1,060 | 848
Operating income | 301 | 278
Other income, net | 16 | 33
Interest expense | (34) | (27)
Income from continuing operations before income taxes and equity earnings (losses) of unconsolidated entities | 283 | 284
Income tax expense | (19) | (59)
Net income | 264 | 225
Earnings attributable to common shares | $ 264 | $ 225

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