Consolidated Balance Sheets - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 3,984	$ 4,937
Fixed maturity securities (amortized cost of $21,867 and $19,021; allowance for credit losses of $12 and $0)	22,707	19,676
Equity securities	3,075	1,009
Premium receivables	5,343	5,014
Self-funded receivables	2,985	2,570
Other receivables	3,209	2,807
Other current assets	4,147	3,020
Total current assets	45,450	39,033
Long-term investments:
Fixed maturity securities (amortized cost of $530 and $487; allowance for credit losses of $0 and $0)	558	505
Other invested assets	4,170	4,258
Property and equipment, net	3,363	3,133
Goodwill	21,687	20,500
Other intangible assets	9,497	8,674
Other noncurrent assets	1,849	1,350
Total assets	86,574	77,453
Policy Liabilities
Medical claims payable	10,252	8,842
Other policyholder liabilities	3,804	3,050
Unearned income	961	1,017
Accounts payable and accrued expenses	5,550	4,198
Short-term borrowings	150	700
Current portion of long-term debt	1,599	1,598
Other current liabilities	6,245	4,127
Total current liabilities	28,561	23,532
Long-term debt, less current portion	19,094	17,787
Reserves for future policy benefits, noncurrent	784	759
Deferred tax liabilities, net	2,375	2,227
Other noncurrent liabilities	1,839	1,420
Total liabilities	52,653	45,725
Commitments and contingencies – Note 12
Shareholders' equity
Preferred stock, without par value, shares authorized – 100,000,000; shares issued and outstanding – none	0	0
Common stock, par value $0.01, shares authorized – 900,000,000; shares issued and outstanding – 249,444,426 and 252,922,161	3	3
Additional paid-in capital	9,352	9,448
Retained earnings	24,678	22,573
Accumulated other comprehensive loss	(112)	(296)
Total shareholders' equity	33,921	31,728
Total liabilities and shareholders' equity	$ 86,574	$ 77,453