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Consolidated Income Statements - USD ($) shares in Millions, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Net sales and revenue |  |  |
Automotive | $ 122,697 | $ 133,045 |
Total net sales and revenue (Note 3) | 137,237 | 147,049 | $ 145,588
Costs and expenses |  |  |
Automotive and other cost of sales | 110,651 | 120,656 | 116,229
Automotive and other selling, general and administrative expense | 8,491 | 9,650 | 9,570
Total costs and expenses | 131,756 | 142,604 | 136,927
Operating income | 5,481 | 4,445 | 8,661
Automotive interest expense | 782 | 655 | 575
Interest income and other non-operating income, net (Note 19) | 1,469 | 2,596 | 1,645
Equity income (Note 8) | 1,268 | 2,163 | 2,132
Income before income taxes | 7,436 | 8,549 | 11,863
Income tax expense (Note 17) | 769 | 474 | 11,533
Income from continuing operations | 6,667 | 8,075 | 330
Loss from discontinued operations, net of tax (Note 22) | 0 | 70 | 4,212
Net income (loss) | 6,667 | 8,005 | (3,882)
Net loss attributable to noncontrolling interests | 65 | 9 | 18
Net income (loss) attributable to stockholders | 6,732 | 8,014 | (3,864)
Net income (loss) attributable to common stockholders | $ 6,581 | $ 7,916 | $ (3,880)
Earnings per share (Note 21) |  |  |
Basic earnings per common share – continuing operations (in dollars per share) | $ 4.62 | $ 5.66 | $ 0.23
Basic loss per common share – discontinued operations (in dollars per share) | 0 | 0.05 | 2.88
Basic earnings (loss) per common share (in dollars per share) | $ 4.62 | $ 5.61 | $ (2.65)
Weighted-average common shares outstanding – basic (in shares) | 1,424 | 1,411 | 1,465
Diluted earnings per common share – continuing operations (in dollars per share) | $ 4.57 | $ 5.58 | $ 0.22
Diluted loss per common share – discontinued operations (in dollars per share) | 0 | 0.05 | 2.82
Diluted earnings (loss) per common share (in dollars per share) | $ 4.57 | $ 5.53 | $ (2.60)
Weighted-average common shares outstanding – diluted (in shares) | 1,439 | 1,431 | 1,492
Automotive |  |  |
Net sales and revenue |  |  |
Automotive | $ 122,697 | $ 133,045 | $ 133,449
GM Financial |  |  |
Net sales and revenue |  |  |
Total net sales and revenue (Note 3) | 14,540 | 14,004 | 12,139
Costs and expenses |  |  |
GM Financial interest, operating and other expenses | $ 12,614 | $ 12,298 | $ 11,128

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