Does this balance sheet show a strong or weak company? Why?

At December 31, 2019 2018 (a) S S LIABILITIES AND STOCKHOLDERS' EQUITY Current liabilities: Advance ticket sales Accounts payable Frequent flyer deferred revenue Accrued salaries and benefits Current maturities of long-term debt Current maturities of finance leases Current maturities of operating leases Other Total current liabilities 4,819 2,703 2,440 2,271 1,407 46 686 566 14,938 4,381 2,363 2.286 2,184 1,230 123 719 553 13,839 Long-term debt Long-term obligations under finance leases Long-term obligations under operating leases 13,145 220 4.946 12,215 224 5,276 2,836 789 1,446 1,736 1,024 7,831 2,719 1,295 1,576 828 1,010 7.428 Other liabilities and deferred credits: Frequent flyer deferred revenue Postretirement benefit liability Pension liability Deferred income taxes Other Total other liabilities and deferred credits Commitments and contingencies Stockholders' equity: Preferred stock Common stock at par, S0.01 par value; authorized 1,000,000,000 shares; outstanding 251,216,381 and 269,914,769 shares at December 31, 2019 and 2018, respectively Additional capital invested Stock held in treasury, at cost Retained earnings Accumulated other comprehensive loss Total stockholders' equity Total liabilities and stockholders' equity 3 6,129 (3,599) 9,716 (718) 11,531 52,611 3 6,120 (1,993) 6,715 (803) 10,042 49,024 s