Can you please analyze the debt-to-assets ratio and tell me what it portrays? Thank you!

($ millions) 2019 2017 2016 2015 Debt-to-Assets 58,033 | 219,215 Ratio 0.26 46,487 | 204,522 0.23 45,938 | 198,825 50,034 | 199,581 0.23 0.25 50,381 | 203,706 0.25 Walmart Inc., debt to assets calculation 250,000 200,000 150,000 USS in millions 100,000 50,000 0.22 Jan 31 2014 Jan 31, 2015 Jan 31, 2016 Jan 31 2017 Jan 31. 2018 Jan 31. 2019 - Debt to assets Total debt Total assets ($ millions) 2019 2017 2016 2015 Debt-to-Assets 58,033 | 219,215 Ratio 0.26 46,487 | 204,522 0.23 45,938 | 198,825 50,034 | 199,581 0.23 0.25 50,381 | 203,706 0.25 Walmart Inc., debt to assets calculation 250,000 200,000 150,000 USS in millions 100,000 50,000 0.22 Jan 31 2014 Jan 31, 2015 Jan 31, 2016 Jan 31 2017 Jan 31. 2018 Jan 31. 2019 - Debt to assets Total debt Total assets