How did dependence on the firm's debt versus equity change from 2019 to 2020?

(in millions, except per share data) December 31. 2019 2020 ASSETS Current assets: Cash and cash equivalents Marketable securities $ 42,122 42,274 Inventories 36,092 $ 18,929 20,497 20,816 23,795 24,542 96,334 Accounts receivable, net and other Total current assets Property and equipment, net Operating leases Goodwill 132,733 113,114 72,705 25,141 37,553 15,017 Other assets 14,754 16,314 225,2485 Total assets LIABILITIES AND STOCKHOLDERS' EQUITY 22,778 321,195 $ Current liabilities: Accounts payable Accrued expenses and other S 47.1835 72,339 32,439 Uneamed revenue 44,138 9,708 8,190 126,385 87,812 39,791 23,414 12,171 52.573 31,816 17,017 I Total current liabilities Long-term lease liabilities Long-term debt Other long-term liabilities Commitments and contingencies (Note 7) Stockholders' equity Preferred stock, 30.01 par value Authorized shares-500 Issued and outstanding shares--none Common stock, $0.01 par value: Authorized shares-5,000 Issued shares 521 and 527 Outstanding shares - 498 and 503 Treasury stock, at cost Additional paid in capital Accumulated other comprehensive income foss) Retained earnings Total stockholders' equity Total liabilities and stockholders' equity See accompanying notes to consolidated financial statements (1,837) 33,658 (1.837) 42,865 (986) 31,220 62,060 225 248 (180) 52.551 93.404 321,195 Make PiS