Note 20. SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED) Year Ended December 31, 2019 Dollars in Millions, except per share data First Quarter Second Quarter Third Quarter Fourth Quarter (d) Year (d) Total Revenues $ 5,920 $ 6,273 $ 6,007 $ 7,945 $ 26,145 Gross Margin 4,096 4,301 4,217 5,453 18,067 Net Earnings/(Loss) 1,715 1,439 1,366 (1,060 ) 3,460 Net Earnings/(Loss) Attributable to: Noncontrolling Interest 5 7 13 (4 ) 21 BMS 1,710 1,432 1,353 (1,056) 3,439 Earnings/(Loss) per Common Share - Basic (a) $ 1.05 $ 0.88 $ 0.83 $ (0.55) $ 2.02 Earnings/(Loss) per Common Share - Diluted (a) 1.04 0.87 0.83 (0.55 ) 2.01 Cash dividends declared per common share $ 0.41 $ 0.41 $ 0.41 $ 0.45 $ 1.68 Cash and cash equivalents $ 7,335 $ 28,404 $ 30,489 $ 12,346 $ 12,346 Marketable debt securities (b) 2,662 1,947 2,978 3,814 3,814 Total Assets 34,834 55,163 57,433 129,944 129,944 Long-term debt (c) 5,635 24,433 24,390 46,150 46,150 Equity 15,317 16,151 17,754 51,698 51,698 Year Ended December 31, 2018 Dollars in Millions, except per share data First Quarter Second Quarter Third Quarter Fourth Quarter Year Total Revenues $ 5,193 $ 5,704 $ 5,691 $ 5,973 $ 22,561 Gross Margin 3,629 4,099 4,063 4,303 16,094 Net Earnings 1,495 382 1,912 1,158 4,947 Net Earnings/(Loss) Attributable to: Noncontrolling Interest 9 9 11 (2 ) 27 BMS 1,486 373 1,901 1,160 4,920 Earnings per Common Share - Basic (a) $ 0.91 $ 0.23 $ 1.16 $ 0.71 $ 3.01 Earnings per Common Share - Diluted (a) 0.91 0.23 1.16 0.71 3.01 Cash dividends declared per common share $ 0.40 $ 0.40 $ 0.40 $ 0.41 $ 1.61 Cash and cash equivalents $ 5,342 $ 4,999 $ 5,408 $ 6,911 $ 6,911 Marketable debt securities (b) 3,548 3,057 3,298 3,623 3,623 Total Assets 33,083 32,641 33,734 34,986 34,986 Long-term debt (c) 5,775 5,671 5,687 6,895 6,895 Equity 12,906 12,418 13,750 14,127 14,127 (a) Earnings per share for the quarters may not add to the amounts for the year, as each period is computed on a discrete basis. (b) Marketable debt securities includes current and non-current assets. (c) Long-term debt includes the current portion. (d) Commencing on November 20, 2019, Celgene's operations are included in our consolidated financial statements. Refer to “—Note 4. Acquisitions, Divestitures, Licensing and Other Arrangements” for additional information. 107