Consolidated Balance Sheets - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 6,028	$ 4,937
Fixed maturity securities (amortized cost of $21,358 and $19,021; allowance for credit losses of $24 and $0)	22,018	19,676
Equity securities	3,470	1,009
Premium receivables	5,456	5,014
Self-funded receivables	2,460	2,570
Other receivables	3,072	2,807
Other current assets	4,260	3,020
Total current assets	46,764	39,033
Long-term investments:
Fixed maturity securities (amortized cost of $491 and $487; allowance for credit losses of $0 and $0)	520	505
Other invested assets	4,097	4,258
Property and equipment, net	3,427	3,133
Goodwill	21,641	20,500
Other intangible assets	9,577	8,674
Other noncurrent assets	1,950	1,350
Total assets	87,976	77,453
Policy Liabilities
Medical claims payable	9,878	8,842
Other policyholder liabilities	3,586	3,050
Unearned income	946	1,017
Accounts payable and accrued expenses	5,257	4,198
Short-term borrowings	0	700
Current portion of long-term debt	1,603	1,598
Other current liabilities	7,252	4,127
Total current liabilities	28,522	23,532
Long-term debt, less current portion	19,873	17,787
Reserves for future policy benefits, noncurrent	776	759
Deferred tax liabilities, net	2,497	2,227
Other noncurrent liabilities	1,853	1,420
Total liabilities	53,521	45,725
Commitments and contingencies – Note 11
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 – 252,122,363 and 252,922,161	3	3
Additional paid-in capital	9,360	9,448
Retained earnings	25,346	22,573
Accumulated other comprehensive loss	(254)	(296)
Total shareholders' equity	34,455	31,728
Total liabilities and shareholders' equity	$ 87,976	$ 77,453