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Supplementary Quarterly Financial Information (Unaudited) | 12 Months Ended
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Dec. 31, 2018
Quarterly Financial Information Disclosure [Abstract] |
Supplementary Quarterly Financial Information (Unaudited) | Supplementary Quarterly Financial Information (Unaudited) The following tables summarize supplementary quarterly financial information:
| 1st Quarter |  | 2nd Quarter |  | 3rd Quarter |  | 4th Quarter
2018 |  |  |  |  |  |  |
Total net sales and revenue | $ | 36,099 |  |  | $ | 36,760 |  |  | $ | 35,791 |  |  | $ | 38,399 |
Automotive and other gross margin(a) | $ | 2,507 |  |  | $ | 3,204 |  |  | $ | 3,743 |  |  | $ | 2,935 |
Income from continuing operations | $ | 1,110 |  |  | $ | 2,366 |  |  | $ | 2,530 |  |  | $ | 2,069 |
Loss from discontinued operations, net of tax | $ | 70 |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Net income attributable to stockholders | $ | 1,046 |  |  | $ | 2,390 |  |  | $ | 2,534 |  |  | $ | 2,044 |
Basic earnings per common share – continuing operations | $ | 0.78 |  |  | $ | 1.68 |  |  | $ | 1.77 |  |  | $ | 1.42 |
Basic loss per common share – discontinued operations | $ | 0.05 |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Diluted earnings per common share – continuing operations | $ | 0.77 |  |  | $ | 1.66 |  |  | $ | 1.75 |  |  | $ | 1.40 |
Diluted loss per common share – discontinued operations | $ | 0.05 |  |  | $ | — |  |  | $ | — |  |  | $ | — |
__________
(a) | Includes our GM Cruise segment.
In the three months ended March 31, 2018 and June 30, 2018, we collectively recorded charges of $1.1 billion related to the closure of a facility and other restructuring actions in Korea. In the three months ended September 30, 2018 we recorded charges of $440 million for ignition switch related legal matters. In the three months ended December 31, 2018 we recorded charges of $1.3 billion related to transformation activities including employee separation, accelerated depreciation and other charges; and a non-recurring tax benefit of $1.0 billion related to foreign earnings.
| 1st Quarter |  | 2nd Quarter |  | 3rd Quarter |  | 4th Quarter
2017 |  |  |  |  |  |  |
Total net sales and revenue | $ | 37,266 |  |  | $ | 36,984 |  |  | $ | 33,623 |  |  | $ | 37,715 |
Automotive and other gross margin(a) | $ | 4,758 |  |  | $ | 4,463 |  |  | $ | 3,614 |  |  | $ | 4,385 |
Income (loss) from continuing operations | $ | 2,686 |  |  | $ | 2,433 |  |  | $ | 114 |  |  | $ | (4,903 | )
Loss from discontinued operations, net of tax | $ | 69 |  |  | $ | 770 |  |  | $ | 3,096 |  |  | $ | 277 |
Net income (loss) attributable to stockholders | $ | 2,608 |  |  | $ | 1,660 |  |  | $ | (2,981 | ) |  | $ | (5,151 | )
Basic earnings (loss) per common share – continuing operations | $ | 1.78 |  |  | $ | 1.62 |  |  | $ | 0.08 |  |  | $ | (3.46 | )
Basic loss per common share – discontinued operations | $ | 0.05 |  |  | $ | 0.51 |  |  | $ | 2.14 |  |  | $ | 0.19 |
Diluted earnings (loss) per common share – continuing operations | $ | 1.75 |  |  | $ | 1.60 |  |  | $ | 0.08 |  |  | $ | (3.46 | )
Diluted loss per common share – discontinued operations | $ | 0.05 |  |  | $ | 0.51 |  |  | $ | 2.11 |  |  | $ | 0.19 |
__________
(a) | Includes our GM Cruise segment.
In the three months ended June 30, 2017, September 30, 2017 and December 31, 2017, we collectively recorded a total charge of $6.2 billion as a result of the sale of the European Business, of which $3.9 billion is recorded in Loss from discontinued operations, net of tax, and $2.3 billion is related to Income tax expense. In the three months ended December 31, 2017, we recorded a $7.3 billion tax expense related to the U.S. tax reform legislation.

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- Definition The entire disclosure for quarterly financial data. Includes, but is not limited to, tabular presentation of financial information for fiscal quarters, effect of year-end adjustments, and an explanation of matters or transactions that affect comparability of the information. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -URI http://asc.fasb.org/topic&trid=2126967 + Details
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