Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 7,163	$ 4,054
Investment securities	12,836	10,972
Receivables, less allowance for doubtful accounts of $88 in 2020 and $69 in 2019	2,238	1,056
Other current assets	5,631	3,806
Total current assets	27,868	19,888
Property and equipment, net	2,118	1,955
Long-term investment securities	389	406
Equity method investments	1,122	1,063
Goodwill	4,443	3,928
Other long-term assets	2,515	1,834
Total assets	38,455	29,074
Current liabilities:
Benefits payable	7,980	6,004
Trade accounts payable and accrued expenses	6,175	3,754
Book overdraft	310	225
Unearned revenues	266	247
Short-term debt	1,724	699
Total current liabilities	16,455	10,929
Long-term debt	6,058	4,967
Future policy benefits payable	203	206
Other long-term liabilities	1,323	935
Total liabilities	24,039	17,037
Stockholders’ equity:
Preferred stock, $1 par; 10,000,000 shares authorized; none issued	0	0
Common stock, $0.16 2/3 par; 300,000,000 shares authorized; 198,629,992 shares issued at June 30, 2020 and December 31, 2019	33	33
Capital in excess of par value	2,898	2,820
Retained earnings	19,616	17,483
Accumulated other comprehensive income	317	156
Treasury stock, at cost, 66,337,426 shares at June 30, 2020 and 66,524,771 shares at December 31, 2019	(8,448)	(8,455)
Total stockholders’ equity	14,416	12,037
Total liabilities and stockholders’ equity	$ 38,455	$ 29,074