Comparative financial data Balance sheet Current assets: Cash Short-term investments Receivables, net of allowance for uncollectible accounts of $27, (in millions) 2020 2019 2018 82 $ 62 $ 66 130 168 113 $21, and $15, respectively 246 249 271 Inventories 334 370 363 11 23 28 Prepaid expenses $ 803 $ 872 $ 841 Total current assets $ 400 $ 501 $ 413 Total current liabilities Income statement Net sales $ 2,896 $ 2,721 $ 2,209